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Tom Wesenberg · 06-08-2013, 02:37 PM

The pipe on my spare cap is 4" long. The pipe should always exit in the oil so the crankcase pressure doesn't go up the pipe and help push oil out.

06-08-2013, 02:37 PM	#3
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Rear Main Cap Oil Drain Pipe Dimensions The pipe on my spare cap is 4" long. The pipe should always exit in the oil so the crankcase pressure doesn't go up the pipe and help push oil out.