Yamaha grizzly 450 engine noise

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02-05-2019, 07:13 PM

Rich2484

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Yamaha grizzly 450 engine noise

Need help. I just bought this thing and it sounds horrible. Is it a easy inexpensive fix, or am i doomed. Good power, just horrible metallic sound.

https://youtu.be/hB9cX8eS5Uo

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02-06-2019, 02:27 AM

merryman

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Sounds like a valve problem, though engine noises are difficult to identify. I would check and adjust the valves, for a start.

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02-06-2019, 05:58 AM

Rich2484

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Valves

Yeah after reading a bunch of threads and litening to motors online with valve problems im leaning toward a valve adjustment..hopefully this quiets it down a bit.

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