I have a 83 GS850GL. I have added the adapter which replaced the pressure switch housing and an oil cooler(Thanks Hap!). When I started the bike and let it warm up, everything was fine till I let it idle. Once it was idling, the oil light came on.
The adapter is set up so that a new oil pressure switch elbows off the left side of the adapter. Oil now flows up into the area where the pressure switch used to be, and can now go left to the switch and right to the outlet for the cooler. A mechanic buddy of mine thinks I need a restrictor to limit the amount of oil going to the cooler. The hoses are 3/8" id. I was thinking of cutting a piece of 3/8" aluminum stock, drilling a hole through the middle, pushing the aluminum in the hose where it clamps onto the adapter outlet, and placing a hose clamp around the hose to hold the aluminum in place. My only problem is how big should I make the channel through the aluminum. I want it to be big enough to allow oil to go to the cooler, but small enough to keep sufficient pressure in the engine.
I have sent email to the manufacturer of the kit. They are trying to get the information on the kit for me, but I may go ahead and install my homemade fix so I can get my bike back on the road.
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