No compresion

Just Rebuild my bike .New piston,gaskets and Adjusted the Valves..and the Bike has no compresion at all

it's a kxf250 07 ..only started it haven ridden ..and it barley has compression.

do a leak down test and if you hear air comming from the air box you need to adj your intake valves and same for exhaust if you hear it comming out of the exhaust

Your timing may be off by a tooth. Take off your cam cover and re-check your timing

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