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Old 11-03-10, 01:50
Lynn Eades Lynn Eades is offline
Bluebell
 
Join Date: May 2003
Location: Tauranga, New Zealand
Posts: 5,541
Default Oil Pressure

Try pulling your oil pressure bypass valve out. Make sure it moves freely in its bore, and that the spring is not broken or catching.
I am not familiar with this model, but the pressure characteristics indicate excessive clearances. If you tear it down, don't overlook the cam bearings.
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