FixVault

Engine Compression

Disconnect 2-wire connector at ignition coil. With air cleaner removed and throttle and choke wide open, crank engine through at least 4 compression strokes.

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 8.5:1
Compression Pressure Min. of 100 psi (7.0 kg/cm2 )
Maximum Pressure Variation 30%