my 2000 sp500 backfired while riding and shut off, and now it won't start. the starter is working and changed spark plug but still nothing. also checked fuel filter and is okay, there is fuel running through it. any idea?? any help is appreciated
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does it have fire? is it getting gas to the plug? how was it runing b4 meaning skipping, loosing power. is the etc on the throttle set right w/ about 1/8" gap. just a couple questions to help. how many miles on the bike?

 

there are about 1400 miles on it. the plug is firing but no gas is getting to it. before it broke down it backfired a couple of times and was cutting out.

 

did you check to make sure theres gas getting into the carb and into the spark plug. how does the plug look?

 

the gas is getting to the carb but it's not getting to the spark plug, at least I don't think because I tried it and then pulled the plug and it wasn't wet. I just replaced the spark plug and set the gap properly.

 

make sure your ETC is adjusted correctly, if all is fine there, and then i would go through the carb, maybe your floats stuck closed or something

 

try putting a little gas in the spark plug hole to see if it'll fire right up.

 

this may sound stupid, but how do you make sure the etc is adjusted right? I know its the throttle cable, right? i never really messed with it before.

 

okay i found out how to adjust the etc and did readjust it. there was more than 1/4" gap in it, so i adjusted it to about 1/8". the only thing is my battery is dead and i have to let it charge. i let you know if that did or not.

 

you should be able to pull start it w/ a battery in it even when its dead being the older style.