2006-2009 Yamaha YFM700RV Raptor 700RV factory service manual, Page 104Get this manual
MEASURING THE COMPRESSION PRESSURE CHECKING THE ENGINE OIL LEVEL
dIf the compression pressure is below the minimum specification, squirt few drops of oil into the cylinder and measure againRefer to the following tableCompression pressure (with oil applied into the cylinder) Reading Higher than without oil Diagnosis Piston ring(s) wear or damage RepairPiston rings, valves, cylinder head gasket or piston possibly defective Repair
Same as without oil
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