Oil pump housing! - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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post #1 of 1 (permalink) Old 06-10-2019, 09:42 PM Thread Starter
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Join Date: Nov 2014
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Oil pump housing!

Hey new to the forums I’m rebuilding the engine on my yfz and I noticed that behind the oil pump where the rotor rides against the back of the case that it has some scratches in the case, Has anyone ever seen this I’m worried it will affect the oil pressure by letting some bleed by.
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