April 28th, 2014, 04:05 PM
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#12
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RIP Alex
Name: Cuong
Location: Houston, TX
Join Date: Apr 2011
Motorcycle(s): '10 250r, '09 265r
Posts: A lot.
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The washer provides a bigger surface area so the spring does not push the rubber gasket on the oil filter all the way through. If that happens, the oil filter wouldn't be doing it's job as effectively.
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