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pill the spark plug and pressurize the cylinder. if you hear air blowing out the exaust(when the exasust valve is closed) you have a seating problem with valves. if it pressureizes the crank case...

as far as it jumping out of gear i am not sure. does it have hear oil in the case? the only reason i could think of it coming out of gear is if it is binding. is it kicking out or slipping?

the white gears are the adjusters. they should adjust like any bicycle brake or motorcycle clutch, turn it counter clockwise(looking from the cable to the plastic cable tube). my system is so far...

well i got it figured out. the old fuel filter had decayed and paper element(very fine) got sucked into the needle valve not allowing the fuel to atomize making it dump out raw. its running better...

check ebay

someone posted a video of a guy swapping in a harbor freight motor. I think they(the big motor) are listed on H.F.'s website for around 350-400. he used a londer belt and fabbed an exaust for it,...

thanks for responding.

well I picked up a backup replacement plastic pump for $20 incase the plastic sheets from the rebuild kit dont work. I did find the rubber diaphram replacement for 8.95...

so my 622 leaks fuel out of the carb where the air filter attaches. it does this while it is running. I have had the carb apart and tested the needle valve and float by blowing air by mouth into the...

where did he get the longer belt and why was it needed.