Make sure your transmission oil is clean if the acceleration is bad after you adjust the mixture. Galileo proceeded to measure the motion of a body on a smooth, fixed, inclined plane, and found that the law of constant acceleration along the line of slope of the plane still held, the acceleration decreasing in magnitude as the angle of inclination was reduced; and he inferred that a body, moving on a smooth horizontal plane, would move with. Also please check out the statistics and reliability analysis of Cadillac Deville based on all problems reported for the Deville. Had around 150,000 when I bought it. Take a riding skills course. The lessening of the gap between the gears translated into a smaller rpm drop with each shift for snappier acceleration. But anyway - I'm really wondering just exactly what causes backfire on ACCELERATION - it does NOT backfire at all on decel Timing? But If it were timing, I would think I would have other problems too I plan to switch out the plugs tomorrow morning, and possibly all the filters too if I can find the cash. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. With the accelerator fully pegged the bike basically cannot attain speed of more that 50 mph. The engine still has the backfiring problem on deceleration but is now choppy in acceleration with a little pinging noises inside the engine while accelerating. E3 motorcycle spark plugs can restore life to your aging engine by providing a more complete burn. Motorcycles come in as many different types, models and styles as do passenger vehicles and trucks. If you sell motorcycles or motorcycle accessories, riding gear, camping equipment and clothing, transport motorcycles, organize motorcycle tours, or have motorcycles to rent, you should be advertising with us! Become an HU Member and Supporter! Help keep your favorite website going and get additional HUBB privileges! Already have an account?. (c) Convert 496 m/s to ft/s. 90 km/hr and human reaction time of 1. Also, it accelerates, but not like it should - it seems to take a little bit for it to really kick-in and it feels like during the first 2-3 seconds of doing so, the engine is like loose, missing or something. 4 m/s at the bottom of the loop. Search the history of over 384 billion web pages on the Internet. main jet carburetor problem fixed - Duration Use of Acceleration While Changing Gears in a Motorcycle. Actually, it can be a real challenge to get things to carburate right after something as simple as an exhaust pipe change. Acceleration is a Vector In physics acceleration not only has a magnitude (which is the m/s 2 number we discussed above), but also has a direction. Motorcycle News, Articles and Forum. Most controllers are programmed to limit acceleration and top speed. A golf ball hit with a force of 15 N travels with an acceleration of 25 m/s/s. Check out current Harley motorcycles, locate a dealer, & browse motorcycle parts and apparel. If an athlete runs with a speed of 5 m/s, she will cover 5 metres in one second and 10 metres in two seconds. About IndianMotorcycles. It is hard to contemplate sitting on my arm chair what exactly can be the issue. The backfiring of the motorcycle is a signal that something isn't quite right. All things are good on the motorcycle except when it sits it leaks and that upon acceleration, there is an on again off again hesitation. Certain transmission parts may not have been produced to the. Motorcycle insurance, much like any other form of insurance, is a very personal decision. Unintended acceleration in motorcycles can also occur while trying to brake, slowing down to a stop, or while accelerating normally. It not only can become worse but it's unsafe. These wheels are just one of many lightweight wheels available in various sizes. Zero to 60 times does not guarantee the accuracy of any of the BMW Motorcycle 0-60 mph times. Rough acceleration. What is his acceleration? 35) A science student drops a rock down a mine shaft. Severe cases require professional cleaning equipment. It's possible that whatever killed the first engine is what is causing the current problems. The paper describes problems of measuring the acceleration of a motorcycle. For example, consider a gymnast doing a forward flip. Speed, Velocity and Acceleration Calculations Worksheet Part 1 - Speed Calculations: Use the speed formula to calculate the answers to the following questions. Harley-Davidson got mixed results from Consumer Reports’ first reliability survey of motorcycle owners. cause for each problem listed. At that speed the forces resisting motion, including friction and air resistance, total 400 N. Zero to 60 times does not guarantee the accuracy of any of the Honda Motorcycle 0-60 mph times. Typical symptoms of a rich mixture are: • Poor fuel economy • Sluggish acceleration • Choke not needed from cold starts. A build-up of contaminants in the system can cause the steering wheel to vibrate or ‘pulsate’ when the wheel is turned fully in one direction or another. i have an 2002 883 xl. Suppose you have a drag racer whose acceleration is 26. It's an entire motorcycle frame designed around a suspension idea that appears to eliminate the major problems of telescopic forks, while introducing none of the usual problems that crop up with. I can accelerate pretty well, but once I get up to about 7500 rpm's it starts cutting out. (Air resistance is analogous to air friction. Carburetor and Fuel System Troubleshooting Guide. Great Bikes of the 1970s: Yamaha RD350. Hello all, this is my 1 st article in BikeBD & I can't help but admit that I am privileged to be given a chance to share my views & opinions here. Google this address. Any engine not used on a regular basis and stored for an extended period of time can experience problems. 2) The "herky jerky" problem is only on the 06-07 bikes. Too retarded timing will give low power, lousy emissions and excessive bore wear. In physics, acceleration is the rate at which the velocity of a body changes with time. Sometimes, you can get lucky and a simple can of carb cleaner works magic. So I got this 1981 Virago 920 for a great price, the guy had brought it to our local motorcycle shop for a tune up and to get the timing chain replaced. So check those parts and systems described in this post for the common causes to help you fix the problem faster. Acceleration is also a vector quantity, so it includes both magnitude and direction. Engine running and electrical problems ? As motorcycle electrics gets more advanced so too the number of problems that can occur. Official site of Harley-Davidson Motor Company. Assuming acceleration to be constant does not seriously limit the situations we can study nor degrade the accuracy of our treatment. a cleaner burn means a reduction of carbon build-up on critical components inside your motorcycle engine. View our range of bikes, find a dealer and test ride a Triumph icon today. It is hard to contemplate sitting on my arm chair what exactly can be the issue. - Wheel bearings improperly adjusted or worn. Like its competitors, Honda's Silver Wing and Yamaha's T-Max, it uses a custom-designed parallel twin engine. 64 Metres Per Second And The Position Was 7. Why Does My Motorcycle Lose Power. Solves problems related to projectile motion, vertical displacement and velocity, horizontal displacement and velocity, range, projection angle, time and acceleration of gravity. If there is any problem with the pump, then there will be a problem in the fuel mixture during acceleration. What Causes Unintended Acceleration in Motorcycles?. I think the title of the article should read "List of quickest production motorcycles" to make it very distinct from the other list. Harley-Davidson traveled to the Geneva International Motor Show to release additional specifications forthe LiveWire, its first electric model. Marine radar must meet the same Federal Communication Commission standards as police radar. The magnitude of angular acceleration is α and its most common units are rad/s 2. Zero to 60 times does not guarantee the accuracy of any of the Triumph Motorcycle 0-60 mph times. | Estimate the average speed with which the hair on your head grows. 7 s to reach a speed of 60 mph starting from a complete stop. On older engines with carburetors, cold stalling (and hard starting) is most often due to an automatic choke that is sticking, misadjusted or broken. Acceleration actually was measured between 35-60mph and showed a repeatable and respectable improvement of just under 2 tenths of a second. Starts up no problem, at idle there is no bogging when I throttle down on it only when I when I accelerate. Treat mild cases with a high quality fuel-injector cleaner additive. Do not solve these problems or do any mathematics. It was sputtering if I accelerated hard and would make some popping noises. I had problems with this last year also but only a few times. MotorcycleForums. Knowing how to improve car acceleration is just one reason for super-tuning an engine. The practical result of the new ratios is the requirement of slightly more throttle to launch the FJR. The air element (filter) is clean and the plugs are new as of last year. Motorcycles on Autotrader has listings for new and used Indian Scout Motorcycles for sale near you. In fact still has the factory tires dated in '02. Shake, Rattle & Roll: Top Six Strange Motorcycle Noises Detonation once was primarily a problem of air-cooled high. Safety advocates say the problems are linked to 19 deaths and more than 2,000 complaints. Another work (Friedel, 2013) deals with the lateral acceleration of the motorcycle, but there is also a reference to the brake deceleration and acceleration to the individual gears of a large set of motorcycles. I know some motorsport media like to pretend quick means 0-60 or 1/4 mile, but it doesn't. For the each of the indicated positions of the shotput along its trajectory, draw and label the following vectors: the x-component of the velocity, the y-component of the velocity, and the acceleration. You also can relate displacement with acceleration and time: If you don’t start off at zero velocity, you use this equation: Sample question You climb into your drag racer, waving nonchalantly […]. 01 GSXR 600/750/1000 STVA BUTTERFLY DELETE HOW TO (SECONDARY BUTTERFLY REMOVAL) - Duration: 9:34. Diagnosing Motorcycle Carburetor problems is relatively easy and follows some telltale symptoms. A simple and meaningful characterization of a braking maneuver is obtained by averaging the deceleration with respect to time. I have an 07 Honda 919 with approx. Lynn, I would suspect one of two problems. Unintended acceleration in motorcycles can also occur while trying to brake, slowing down to a stop, or while accelerating normally. The following notes come from my own experience combined with info from other sources, namely mechanics, parts counter people, magazines, and other owners. [Vittore Cossalter Motorcycle Dynamics BookZZ. Cam devices are versatile, and almost. It would sometimes take it, sometimes not. Solves problems related to projectile motion, vertical displacement and velocity, horizontal displacement and velocity, range, projection angle, time and acceleration of gravity. However, there are a few considerations you'll want to make in order to ensure. Once it warms up while we're on a ride, I lose acceleration. I am wondering if the fuel is running to lean. The Buzz is All About Mini-Motorcycles Pocket bikes are miniature motorcycles -- powered, for the most part, by oil- and gas-burning engines similar to those used in chain saws, weed whackers or other small motorized tools -- and they look just like the real thing. We hope our site will help with selecting of a reliable and safe car. Diagnosing Motorcycle Carburetor problems is relatively easy and follows some telltale symptoms. INSTRUCTION SHEET. Assuming acceleration to be constant does not seriously limit the situations we can study nor degrade the accuracy of our treatment. If you sell motorcycles or motorcycle accessories, riding gear, camping equipment and clothing, transport motorcycles, organize motorcycle tours, or have motorcycles to rent, you should be advertising with us! Become an HU Member and Supporter! Help keep your favorite website going and get additional HUBB privileges! Already have an account?. For constant acceleration, the position of a motorcycle at a given time is: x(t) = xo + vo*t + ½*a*t² For both motorcycles, vo=0, so this term drops out. OEM Service Nice Design Lightweight Powerful Battery Motorcycle Folding Electric Scooter. * Erratic acceleration * Poor fuel economy * Misfires and/or backfires. Mobil 1™ full synthetic motorcycle oils deliver outstanding protection against motorcycle engine wear, even under the toughest riding conditions. We want nice clean acceleration from idle to full throttle, with no stumbling or flat spots. Problems with Yamaha Virago 920. Equations of Motion - Constant Acceleration Intercept Example Problem 1 This entry was posted on August 2, 2014 by Todd Helmenstine Motion in a straight line with constant acceleration is the simplest form of accelerated motion. time, velocity vs. tl* the contact owns a 2008 suzuki boulevard m109r motorcycle. By using this tool, you will be able to get records with description of safety issues for vehicles, equipment, tires and child restraints. Official site of Harley-Davidson Motor Company. The higher the battery capacity, the more range. I figured junk in the fuel. Edmunds also has Honda Passport pricing, MPG, specs, pictures, safety features, consumer reviews and more. After the first two seconds, all is normal. Treat mild cases with a high quality fuel-injector cleaner additive. It is designed as a general. Motorcycles on Autotrader has listings for new and used Indian Scout Motorcycles for sale near you. It can have good initial voltage, but have problems inside that don’t allow it to deliver the power (amps) the bike needs. 05 seconds--5 hundredths of a second. This comprehensive guide walks you through all the standard motorcycle types, from sportbikes to. Read the latest expert review from MCN on the BMW K1200LT bike. INSTRUCTION SHEET. Explain why you drew the vectors as you did. One of the most common symptoms that the accelerator pump is having a problem is rough or sluggish acceleration. 54 Metres What Is The Maximum Speed?. Find Bike Parts, Bodies, and Frames Right Here. The Buzz is All About Mini-Motorcycles Pocket bikes are miniature motorcycles -- powered, for the most part, by oil- and gas-burning engines similar to those used in chain saws, weed whackers or other small motorized tools -- and they look just like the real thing. Some dogs chase in general. Thread titled -Acceleration vs breaking at the track. After reading this thread I thought I would try it before pulling the starter. spark plugs, fuel injection and so forth would the cause. You'll be amazed how much. Three Motorcycle Carburetor Problems. Since velocity is the rate at which position changes, and acceleration is the rate at which velocity changes, acceleration is a "rate of a rate". Effect of vibration on driver/rider; Measurement of magnitudes of vibration in motorcycles while riding Vibration and its effect on health: Vibration is defined as the oscillation of a body about a reference position and can be described in terms of amplitude and frequency. The Acceleration = A = 6. There you are on the freeway and suddenly your motorcycle starts speeding up seemingly for no reason. However, to avoid errors when using these equations, it helps to follow a few sensible guidelines and to be alert for a few situations that can arise during your calculations. 10 Things You Should Know About Motorcycle LED Underglow Lighting. To solve this problem, you need to relate speed, acceleration, and distance, so you start with this equation: v f 2 - v o 2 = 2as = 2a (x f - x o). At that speed the forces resisting motion, including friction and air resistance, total 400 N. During acceleration? I'm not sure. 12 Reasons a 2 Stroke Cycle Engine Loses Power/Won't Start/Cuts Out/Bog Down/Fix your Own/Save Money - Duration: 1:04:41. A Motorcycle, a Car, a Jet: Which One Would Win? there are problems here. Harley-Davidson traveled to the Geneva International Motor Show to release additional specifications forthe LiveWire, its first electric model. Acceleration is also misspelled as accelaration. Replacing your standard air filter with an aftermarket unit is one of the cheapest ways too boost your motorcycle’s performance. Honda Shadow Spirit 750 problems (long post) Long time lurker, first time poster. 2) The "herky jerky" problem is only on the 06-07 bikes. Too little spark advance will cause low power, bad gas mileage, backfiring, and poor performance. Find out what they're like to ride, and what problems they have. 2020 Yamaha VMAX Sport Heritage Motorcycle - Photo Gallery, Video, Specs, Features, Offers, Inventory and more. But when both idling and acceleration the engine's combustion can cause a lot of vibration in the steering wheel if you are in an older vehicle. The motorcycle's average acceleration is lower than it was before. What horizontal acceleration of the motorcycle will make the front wheel rise off the ground? 2. I just saw your website and I really hope you can help. This comprehensive guide walks you through all the standard motorcycle types, from sportbikes to. What's wrong with YOUR car?. A powerful motorcycle can produce an acceleration of 3. This effect occurs because the acceleration being applied to the rear wheel creates a reactive force on the drive shaft. dont feel bad about all the problems and high charges it costs to fix or not fix them. Find brake clutch for sale here online!. You use the following equation to relate velocity, acceleration, and distance. 1, 2, 3 = straightforward, intermediate, challenging. This can be quite a tall order if we are starting with a new carb. Nunzio: Ahhh, 8, we know what the problems are- bureaucraps, and the people who elect ’em. The brakes on this motorcycle are causing it to slow down. Sputters and Bogs on Acceleration Sportster Motorcycle Air intake, Carburetor, EFI, Did not see any problems there but cleaned everything anyway, including the. - Typically under load (heavy acceleration in a high gear 4th or 5th) RPM's increase but not vehicle speed - With cable operated clutch system, if clutch cable is adjusted perfect, warped steel plates or worn friction disks can cause the motorcycle to creep forward once shifted into gear. Steps to Solving Problems. Find wiseco tracker 101 for sale here on the internet. When I twist the throttle to accelerate quickly (in any gear) I hear the engine sound increasing in pitch by a lot more than I'm used to hearing, but the motorcycle doesn't seem to respond and performance is very poor. A powerful motorcycle can accelerate from rest to 26. Practice: Acceleration Problems 1. The main cause for a blown or damaged head gasket is extreme engine temperature. spark plugs, fuel injection and so forth would the cause. I honestly can usually only get up to 78 mph in 6th. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3. Lynn, I would suspect one of two problems. Physics (Chapter 3) Force Practice Problems me_____ A baseball with a mass of 0. 150cc GY6 - Losing Acceleration - Backfiring - ETC. It is a new model and in its 1st/2nd production year. Korsunsky Physics Instructor Science Department Northfield Mount Hermon School Northfield, MA Angela Berenstein Science Writer Urbana, IL John Stokes Science Writer. They sent out recall notices to everyone that gave a correct address. Fixing the Dreaded Lean Bog on Keihin FCR Carburetors: I recently had the pleasure of performing a complete frame down rebuild on a 2007 CRF250R that came to me with an intolerable bog issue when the throttle was stabbed from idle or low RPM (both when riding, and on the stand). By using a horizontal motor and by locating the fuel tank inside the floorboard instead of under the seat, Honda kept all the weight very close to the ground. Also check out the Spark Plug Troubleshooting guide from our friends at NGK. but now theres a new problem. The rock falls at an acceleration of -9. Harley-Davidson traveled to the Geneva International Motor Show to release additional specifications forthe LiveWire, its first electric model. The engine needs to be under a load before they will open. In physics, acceleration is the rate at which the velocity of a body changes with time. With few exceptions, most are constant-mesh, manual transmissions that use a hand- or foot-actuated clutch. For one thing, acceleration is constant in a great number of situations. I have cleaned carb and replaced spark plug. I expected to be able to go straight through to Q2. But when both idling and acceleration the engine's combustion can cause a lot of vibration in the steering wheel if you are in an older vehicle. See our complete collection here. Everyone agrees you should have a relaxed grip and never use the throttle to hold on to the bike. DL1000 vs DL650. When a engine is hesitating it will cause the car to lunge or surge which will cause a sudden jerk as the car slows down. Calculate the angular acceleration produced if 95. Browse other questions tagged motorcycle carburetor yamaha acceleration or ask your own question. CLUTCH TROUBLESHOOTING An automotive clutch normally provides depend-able service for thousands of miles. Purdue University President Mitch Daniels will participate in a Harley-Davidson motorcycle ride through campus on Monday (Sept. Tech-related help with your bike. Considering only these gears, the gear ratio between the idler and the input gear can be calculated as if the idler gear was the output gear. And do checkout my other videos as. Harley-Davidson got mixed results from Consumer Reports’ first reliability survey of motorcycle owners. However, stop and go traffic will wear out a clutch quicker than highway driving. There are 11 complaints filed for the 2013 HONDA GOLDWING. Engine running and electrical problems ? As motorcycle electrics gets more advanced so too the number of problems that can occur. Marine radar is measuring much smaller radar size targets then land radar. This example illustrates acceleration as it is commonly understood, but acceleration in physics is much more than just increasing speed. We have already discussed earlier in Lesson 3 how a force directed an angle can be resolved into two components - a horizontal and a vertical component. Severe cases require professional cleaning equipment. Steps to Solving Problems. Scooter started normal, but still would not take acceleration without bogging. Diagnosing Motorcycle Carburetor problems is relatively easy and follows some telltale symptoms. This banner text can have markup. See prices, photos and find dealers near you. 6 m/s 2, and at the end of the race, his final speed is 146. If there is any problem with the pump, then there will be a problem in the fuel mixture during acceleration. The day after this post I decided to go for a ride with the tps unplugged and as expected there was a delay between throttle twist and acceleration, but the 1/4 throttle bog wasn't there. electric starter. Thank for the informative article! I recently got a 1986 VT700c. News, bike and gear reviews, expert advice, how-to guides, history, and great lists. Duck was helpful and enthusiastic about purchasing a Triumph and gave valuable insight to help me make my decision. <= Back to Diagnosing Electric Bikes and Scooters. Typical symptoms of a rich mixture are: • Poor fuel economy • Sluggish acceleration • Choke not needed from cold starts. CHASSIS/SUSPENSION High-Tech Aluminum Chassis The chassis is light and compact, with a cast aluminum main frame, Controlled-Fill die-cast and extruded aluminum rear frame and cast aluminum swingarm. Scooter does not turn over. Treat mild cases with a high quality fuel-injector cleaner additive. The officer immediately begins pursuit at a constant acceleration of 2. wow! didnt think of that. A golf ball hit with a force of 15 N travels with an acceleration of 25 m/s/s. The Sportster and Buell Motorcycle Forum - The XLFORUM® > SPORTSTER MOTORCYCLE FORUM > Sportster Motorcycle Intake and Exhaust > Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust: intermittent popping/backfire on acceleration. Cleaned and rebuilt the carb and she fires up like a champ now. Do I need to rejet the carbs?? I have a new fuel filter. Twisting the throttle gives relatively leisurely acceleration compared to a conventional carburetor. 0 s to go from rest to 281 km/h. The downside to the CV carb is a lack of immediate throttle response. It all depends on your engine characteristics and what you how you measure your acceleration. The equations of kinematics can be used for any moving object, as long as the acceleration of the object is constant. It acts like the fuel filter is clogged but this model has no fuel filter. Marine radar is measuring much smaller radar size targets then land radar. If you need a skilled lawyer, or just want to learn about your legal options, visit us at. Be informed, be inspired, keep that right hand cranked. Initially I thought that it was a simple problem with the floor mat causing acceleration problems but removed the mat altogether and the problem worsened. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3. and when i hit 80mph, it would slip occasionally slip just at constant speed until i slowed it down a bit and then able to accelerate back up to speed again. I have a 2013 Hyundai Elantra which is having acceleration problems in the last 2 weeks. Cleaned and rebuilt the carb and she fires up like a champ now. Hi all, I have a brand new 250 atv, its a cheap model, produced in china and called baja - but I know that there are many names for the product. If the only problem you have is lack of power, it's not the STVA. Physics problems: kinematics Motion with constant acceleration Problem 2. Sputtering and misfires may result. doc - 2 - It then has a uniform acceleration of 10 cm/s 2 for another 5. Specifications. International. The vehicle doesn't matter. A motorcycle traveling at 25 m/s. Research Nissan Pathfinder model details with Pathfinder pictures, specs, trim levels, Pathfinder history, Pathfinder facts and more. Any idea what can cause this two second hesitation that had not previously. They sent out recall notices to everyone that gave a correct address. if you slowly build acceleration, she is okay until the upper rpms, then same thing. 05 seconds--5 hundredths of a second. As the horsepower goes up, so does the number of potential situations that impact performance or create problems. K&N Motorcycle Air Filter For over 40 years K&N filters have been designing and manufacturing performance air filters for the motorcycle and ATV enthusiast interested in maximizing power and acceleration. Dynamics falls under a branch of physics known as classical mechanics. Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. When this happens, you may see the clutch slipping, hear strange noises, lose acceleration or. easycalculation. When a commercial shouts "zero to sixty in six point seven seconds" what they're saying here is that this particular car takes 6. Motorcycle collisions by their very nature are difficult at best to analyze and/or reconstruct. Anyone knows what is the problem?. When you have a classic design, there is little you can do to update it without tampering with the basics and getting it wrong. There are a great deal of factors that affect the Triumph Motorcycle 0-60 stats, so different sources may test the same bike and each may arrive at a unique 0-60 mph and quarter mile result. instaVIN is part of KAR Auction Services (NYSE:KAR), a global Fortune 750 company. * Erratic acceleration * Poor fuel economy * Misfires and/or backfires. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. motorcycle fuel-system fuel-injection. I have a single carb, I bet you that is the problem. i get more and more of those dangerous stupid behavior these days on the road. Twisting the throttle gives relatively leisurely acceleration compared to a conventional carburetor. Sputtering and misfires may result. Our efficient ads are free. To view an instruction sheet on your computer screen or to print a copy, you must have Adobe® Acrobat® Reader® installed on your computer. Ease it up no problem and get past 4k RPM and fine so my needle valve circuit must be the issue. I tried adjusting the idle valve screw and mixture, i turned them both in fully and then opened them 2 turns as i seen this was the normal setting. The engine drives the rear wheel only. When a engine is hesitating it will cause the car to lunge or surge which will cause a sudden jerk as the car slows down. A motorcycle traveling at 25 m/s. exactly the problem is electric bikers share the bicycle path but at 50mph like a motorcycle. I had a bike that the clutch would slip only at highway speeds and only with heavy throttle. A data sheet is provided at the end. It's quite - Answered by a verified Motorcycle Mechanic. I will now pretend that vacuum advance doesn’t exist. Find the centripetal acceleration at each turn for a speed of 34 m/s. 3) If all you have is a performance problem, and the ECU is not reporting a fault, it's most likely you have a fuel delivery problem. I have a '93 Max, and up until just the other day, had no problems with it. Is this an informational question or are you having a problem. Top 6 Strange Motorcycle Noises | What They May Mean. Backfiring caused by internal carburetor problems is a result of a defective accelerator pump. Furthermore, in many other situations we can describe motion accurately by assuming a constant acceleration equal to the average. Obviously though, this causes problems when I first start moving. Now bear with my amateur assumptions, but logic dictates 150cc mores means a more powerful engine that wants to. com Best 28mm Motorcycle Carburetor Repair Kit for PWK KEIHIN OKO. The vehicle doesn't matter. My Vehicle was hesitating while I accelerated on the gas, almost stalling, back firing, like it wasn't getting enough gas.