Cleaning. Measuring. Detective work.
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Reeds look good.
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Intake boot is surprisingly flexible and crack free.
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Powervalve assembly out for fresh orings.
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Measuring piston ring end gap. Still in spec. Need to check again after winter.
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OK. So. DETONATION. This badboy has seen some hard times. Seriously hard times. At one point the engine chewed itself to bits. Evidence below.
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In this photo you can see where the cylinder was just rat chewed away, and a fresh steel liner was installed.
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Looks like the problem has been repaired properly and a new piston installed. (Which has totally different damage
)
Tomorrow I assemble with some fresh oil, new carburetor, gaskets, and some fresh 91 octane.
-BIG DAN
