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  1. Engine and Technical Discussion
    I finished doing a top-end and water-pump seal replacement on my 2017 390 yesterday. When I was checking valve clearance I noticed that 3 of the valves are at the lowest clearance and one is well below.... and that's by the 2017 service manual. IN - 0.10, 0.08 EX - 0.13, 0.08 I intend to buy...
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