2008-2009 Suzuki 750 King Quad Service Manual, Page 150Get this manual

2008-2009 Suzuki 750 King Quad Service Manual, Page 150

Engine Mechanical: Diagnostic Information and Procedures Engine Mechanical Symptom Diagnosis Refer to "Engine Symptom Diagnosis
to "Seat Removal and Installation in Section 9D (Page 9D-11)"3) Disconnect the fuel pump relay coupler (1) B831G21404002
I831G1140004-01 6) Keep the throttle grip in the fully-opened position I831G1140005-01 7) Press the starter button and crank
the engine for few secondsRecord the maximum gauge reading as the cylinder compressionI831G1140003-01 4) Remove the spark
plugRefer to "Spark Plug Cap and Spark Plug Removal and Installation in Section 1H (Page 1H-3)" Compression pressure specification
Standard Approx1 000 kPa (10.0 kgfcm2, 142 psi) (Automatic decompression actuated) Low compression pressure can indicate
any of the following conditions: Excessively worn cylinder wall Worn piston or piston rings Piston rings stuck in grooves
Poor valve seating Ruptured or otherwise defective cylinder head gasket 8) After checking the compression pressure, reinstall