650 stand up won't start please help
 

I just bought a 89 650 standup. It has good spark, new plugs, and is getting gas, but it won't start. It does try sometimes, and it does backfire sometimes. Anybody got any ideas? Thanks in advance.
STeve

RE: 650 stand up won't start please help
 

Enen though the plugs are new make sure they're not fouled due to excess fuel in the cylinders.

RE: 650 stand up won't start please help
 

backfire? does it try to start or what does it do?

maybe timing is off?

RE: 650 stand up won't start please help
 

Plugs are good, I think it may be timing. How do you adjust timing on these? Thanks.

make sure ur using atleast 91 octane and that the mixture is correct two strokes are fussy like that.