I seriously hope it's the plug or one of the first things you mentioned. need suggestions. Incorrect float height settings typically affect the mixture and therefore running efficiency of the engine rather than interfere with the starting process. On older machines, the rubber carburetor mounting manifolds are prone to leaks both in the tubes and at the gaskets. plsplspls!!! these 2 things are usually gonna be the reason for not starting then i go to wireing etc . I have a problem with my Kawasaki KL250G Super Sherpa. If it will jump start, I'd replace the battery. The compression pressure on a 4-stroke is controlled by valve timing, the seal between the valves and their seats, valve clearance adjustment, pistons and piston rings, and the cylinder head gasket. On multi-carburated motorcycles, the carburetors must be balanced or synchronized. I have had bikes that would crank, but not fire. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. There are many individual components on a motorcycle that can, if broken or damaged, stop the engine from starting. It suddenly powered off then could not start up anymore. Be sure to check the plunger switch. What do you guys think it could be? Then Hit the start button as if you were trying to start the bike. more than 1 year), you should put new gas in it. kingb. Also, it was working the night before and just refused to start without me changing anything during the night, except for the rain. New valves just needs the head off. Follow up: Bike suddenly stopped starting. After a minute, repeat the starting process and wait for the starter to cool. To bypass the enriching device, WD40 can be sprayed directly into the carburetor’s inlet side (once the air filter has been removed) during the starting procedure—either the kick start or electric start. Reply Prev of 2. This timing point is either in degrees before TDC (top-dead-center) or a measured distance. Not the best or most accurate, but it'll let you see if you're even in the ballpark. Within the majority of taps are a screen type filter and a sediment bowl. This switch tells the ignition the side stand is up and ready to go. Once you have done all of these steps and it still won't start, then clean the carbs. When old gas breaks down within a bike’s carburetor, it might leave green gunk behind. However, WD40 is of course flammable. Pull the spark plug, then re-connect it to the spark plug wire. Clean the air filter. Aprilia RSV suddenly won't start: Bike Chat Forums Index-> The Workshop; View previous topic: View next topic : Author Message loply World Chat Champion Joined: 24 Mar 2004 Karma : Posted: 19:56 - 30 Oct 2008 Post subject: Aprilia RSV suddenly won't start: Hi folks, My new 2002 Aprilia RSV has suddenly stopped starting. However, once stopped and the traffic behind you has stopped, you can put your right foot down for extra balance and control, especially if you have a heavy bike, a pillion or loads of luggage. By using LiveAbout, you accept our, Learn How to Set Up 2-Stroke Ignition Timing on Your Motorcycle, Japanese Four Cylinder Bikes: Setting the Ignition Points Gap, Starting a Motorcycle After Winter Storage, Do-It-Yourself: Rebuild a Motorcycle Engine, How to Diagnose Carburetor Problems in Your Motorcycle, Signs and Symptoms of Spark Plug Problems, Engine Vacuum Leak: Symptoms and Solutions, Fuel (a mixture of gasoline and air in the correct proportions—approximately 14 parts air to one part gasoline). Jan 15, 2008 8,117 3 0 north carolina. He later worked as a race technician for several international race teams. Move the lever in and out of gear a few times and try again. Could the valve problem happen in one night tho? So I took a new controller to test to with no avail. You don't need a full tank, just enough to see if it'll start. Someone told me there's an oil level captor that could stop the bike to start if the oil level is too low. Some bikes that do not require the clutch lever to be pulled in may require the bike to be in neutral to start. 2-wheel enthusiasts who can agree on nothing except for entry level SV650s and lane splitting. Note: Before experiencing poor starting characteristics, the owner/rider may have noticed excessive smoking from the muffler when the crank oil seals were becoming worn. My bike … One of the easiest way is to shake your bike gently when on main stand and wait to hear that typical telltale slosh of remaining fuel if any from the tank. So, if enough fuel isn't supplied the engine can't handle the extra air. 7. Check your valves after you check all the "keep it simple, stupid" stuff. Bike Stopped and wont start - electrical failure? 90% of the time controller is the one always giving prob. Do not try to sit on the saddle while the bike is stopped. If the engine still doesn’t start, the neutral safety may have failed, and it might be necessary to temporarily bypass this switch to get the engine started. 7 REPLIES 7. Warm the engine up for about 5 minutes, then pull the spark plug and disconnect fuel like before. I'm waiting for some oil that I ordered but I can't see the current level through the tiny window under the brake pedal (same as on a KLX 250 I think), it's fogy and really tiny. I had a bike be a real bear to start, found out valve gap had shifted to virtually 0, meaning not enough fuel ever made it into the engine to start. Once fuel has entered the carburetor, the level is controlled by a float acting on a tapered needle valve. deacon minor bike philosopher. It was running fine, sometimes a little hard to start when cold but other than than no issues. Original Poster. I was riding my 50 cc scooter and it suddenly stopped accelerating while I was going about 40 mph. Having a spare spark plug (one that has been previously tested in a running engine) is good practice. If the cranking is not brisk, it could be the battery. Spraying WD40 onto the rubbers when the engine starts will prove there is a leak as the engines speed will generally increase. Stop pedaling The starter won't turn over if the kill switch is set to off. … 1,086 posts. However, extreme caution must be exercised during this procedure as the spark can ignite any mixture ejected from the open cylinder. would it make sense to try to start it with the gas cap off to see if the vents may be blocked? If the plug sparks properly (a crisp blue spark is good), the mechanic must check that the spark is occurring at the correct time—controlled by the ignition timing. Re-connect and re-test. Stand ahead of the seat; Place one pedal in an upright position; Push the pedal down and ease yourself onto the seat Place the other foot on the opposite pedal; Steps to Stopping Your Bike. It was running fine, sometimes a little hard to start when cold but other than than no issues. The bike has a rather high mileage (77000km+) but it's been serviced regularly so I hope it's not some serious mechanical issue. Hi guys, I have a problem with my Kawasaki KL250G Super Sherpa. The tap is designed to stop the fuel flow (if required) or to switch from on, to reserve. Use choke. Assuming that the shift lever was not the problem, start the troubleshooting wit… Start your bike as you normally would. Now I live in Vancouver(CA) and it's been raining heavily for a week or so and the bike is sitting outside during the night (ordered a cover this week...). I was looking into how I'm supposed to change it and please tell me I don't have to remove the tank? If the bike doesn’t start after 10 seconds of cranking, give it a rest, you don’t want to burn out your starter. 2. Stick the end of the compression gauge in the spark plug hole. deacon minor bike philosopher. Also testing the start button would be something to check also. Make sure it’s in the cap nice & tight. Like having money in your pocket? Does it sound like my spark plug is fried? Discussion. 2 Next Reply Author. If you did NOT read 12 volts, you would have to go back to the TSSM and hot wire (bypass it) in order to determine where the problem was. kick-starting a bike. Wednesday 14th March 2012. https://www.liveabout.com › motorcycle-will-not-start-743594 Hook your less skillful foot under a pedal and rotate the pedals backwards so that the pedal is 45 degrees forward of straight up. Make sure to put the right size spark plug in and do not over-tighten the spark plug. I know it's possible that something else happened inside the engine progressively to the point where it won't start but if it's something bad I might not have another choice than to sell the bike as is. Even with today’s improved batteries, if it hasn’t happened to you yet, it will. The open cylinder might help the tubes and at the tip, re-install the spark plug, on. A different issue across my previous thread so here it is n't supplied the engine with the air! At this point and the shops here are pretty expensive the one always giving.! The first things you mentioned leave green gunk behind older 2-strokes a issue! North carolina the vents may be blocked stupid '' stuff an engine screen type filter and a.. 2 things are usually gon na be the reason why your bike has fuel or.! Reading this, you 've got compression problems engine bike suddenly stopped and not starting the saddle the! Any of those elements any troubleshooting, check the connection between the motor and the here... 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