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Compression Check

Compression Check
Compression Check (200-300 rpm and fully open throttle)
CAUTION: When using a screw-in type compression gauge, the screw placed in cylinder head plug hole should be less than 18 mm (0.71 in.) long.
Standard 1,079-1,275 kPa (156-185 psi)
Limit 883 kPa (128 psi)
Difference Between Cylinders 196 kPa (28 psi)