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Engine Compression

Warm engine to normal operating temperature. Remove all spark plugs. Disconnect ignition coil primary wire connector. Hold throttle plate fully open. Crank engine and note compression pressure.

COMPRESSION RATIO

Application Specification
B3000 9.25:1
COMPRESSION SPECIFICATIONS

Application Specification
B3000 (1)
(1) Lowest compression reading should not be less than 75 percent of highest compression reading.