2006 Honda TRX680 Rincon Factory Service Manual, Page 108Get this manual
LUBRICATION SYSTEM
OIL PRESSURE CHECK
Failure to warm the Check the oil level and add the recommended oil if engine will cause necessary (page 4-10)very high oil pres- Also, warm the engine to normal operating tempersure readingsature and check for external leaksExternal leaks will Remove the oil gallery sealing bolt and washer on cause low oil presthe left side of the front crankcase coversure readings
NOTE: Clean around the sealing bolt with compressed air before removing the bolt, and be sure that no dirt enters the oil gallery
Connect an oil pressure gauge and adapter to the oil gallery holeTOOLS: Pressure gauge set 07406-0020005 or Oil pressure gauge 0-160 psi 07ZMJ-HN2A100 and Adapter, banjo 1.25 mm 07AMJ-HN8A100 Start the engine and check the oil pressureOIL PRESSURE (80C176F): 785 kPa (8.0 kgfcm2,114 psi) at 5,000 rpm (min1) Stop the engine and remove the oil pressure gauge and hoseInstall the sealing bolt with new sealing washer and tighten the bolt securelyStart the engine and make sure there are no oil leaks