Can-Am DS90 Top end Replacement and General Inspection.

Low compression. Starts and runs for about 10-15 mins then stalls.

NICHE 90cc Engine Piston Cylinder Gasket Top End Kit

I need a ball hone for the 90cc cylinder so,

Found the bore on autoevolution.

Bore X Stroke:

2.0×1.7 in OR 51 mm