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What’s causing this?

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WildcatFord
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2020/03/25 21:09:07 (permalink)
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What’s causing this?

When taking apart my 18.5 briggs motor to fix my compression release issue, I came across this while looking at the valves. One looks burnt. Is this common?

What causes it? Do I need to get new parts?

31p777-0348-E1

Thanks in advance

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    Roy
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    Re: What’s causing this? 2020/03/26 11:42:20 (permalink)
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    I  have never seen that! Looks like blowby past the guide which means replacing the head.
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    WildcatFord
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    Re: What’s causing this? 2020/03/27 20:14:05 (permalink)
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    Roy
    I  have never seen that! Looks like blowby past the guide which means replacing the head.


    You mean the head gasket?
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