2004 ranger 4x4
#2
They tighten because of valves wearing at face of valve and pushing up which decreasing clearance. IF a valve stays open with no pressure from cam,THEN problems,IF this is what you are talking about(bent valve)
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Sw00p
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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Sep 24, 2015 02:50 PM
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