Can any one help me It takes forever for it to start and some times it wont start at allI have checked all the conections I got good spark the carb is sucking great just wont start when does it will run fine but once it sets here we go again dont wont to burn the starter up so im letting it set till some gives me some advise to check other possiabilities I have tried starting fluid in the airbox but not any different

 

Have you ever adjusted the valves?

Valves tighten with wear, and tighten even more when cold. So the classic symptom for tight valves is hard starting when cold, eventually leading to no starting.

 

No i havent ill do that and see if it works do you now what clearance I need to adjust them to?

 

I don't know what the spec's are for your engine. Perhaps someone else knows.

I set my 150cc quad to 0.004" on both intake and exhaust when the engine is cold. If you find your valves are tighter than that then I'd loosen them up to 0.004 and see if it makes a difference. Slightly loose valves are noisy. Tight valves make a quad hard to start.

 

It worked adjusted the valves to .004 and it fired right up thanks a lot

 

Glad it's running again.