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2012 stryker
156 Posts
Discussion Starter · #3 ·
I read somewhere that it is a pressure relief valve, I think it was a thread about a coolant leak? Here's a quick pic from a manual I have

View attachment 124570
Cool. I'm gonna check it out . I noticed that after a long ride I get a very thin film of oil on the pan . It never leaks but it's just annoying and I think it's definitely a high compression thing .
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