Fuel Transfer

What is the compression supposed to be on a 80cc 2 stroke motor?

I have a LT 80 suzuki atv for my son. It will not start. i checked the compression with only one pull it shows 60psi. with the 2cd pull it is 90 to 95psi. it has spark and i just rebuilt the carberator and still nothing. its got fule and spark but its will not hit a lick.

Compression seems high enough. Have you checked the exhaust port for fouling, carbon build up? If heavy coked, fuel transfer from crankcase into cylinder doesn't happen well- the equivalent of the 4 stroke car engine with a worn cam lobes for exhaust valves. Lots of 2 stroke engine go to shop with no start, runs poor complaints and get exhaust ports cleaned, baffles cleaned and run good another few thousand miles before needing tuneup with decoking.

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