Engine Compression

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Check engine compression with engine at normal operating temperature at specified cranking speed, with all spark plugs removed, (on dual plugs, remove exhaust side only) and throttle wide open.

COMPRESSION SPECIFICATIONS ⁽¹⁾

Application

Specification

Compression Ratio

900 & 900S

10.1:1

900 Turbo

9.0:1

9000S

10.1:1

9000 Turbo

9.0:1

⁽¹⁾	Compression pressure not available from manufacturer.