Wednesday, March 17, 2010

Yamaha Neos 100 Won't Start....HELP PLEASE!!?

My bike was woking fine until I stopped for petrol and had to start her up again. It would start but would cut out as soon as I applied throttle, I tried again but this time it wouldn't start without the choke on full and would cut out within 5 seconds of idling. Now it won't start at all. Any Help would be greatly appreciated!!
Yamaha Neos 100 Won't Start....HELP PLEASE!!?
Use the standard method for trouble shooting an engine that won't start. 1) Has it got spark. Clean or replace the spark pug and check for spark before you put the new one in. If there is no spark then it is an ignition problem. 2) If it has spark then it is a fuel problem. If there is no spark then there is an ignition problem. You will have to take it to a shop for repair, but don't so until you have also checked the carburetor.





From your description of have to use the choke, it would appear to be a problem is with the carburetor. But don't jump to conclusions, always start with the spark plug first.





To sort out a fuel delivery problem find out is you are getting fuel to the carb. Clean any filters between the tank and carburetor. Then remove the float bowl and clean that too.





Reassemble everything and try to start the engine. If it still won't work you will need outside help to troubleshoot/repair the bike.


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