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Thread: Wanted :Rossi 60-61 Piston, Sleeves
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Old 01-27-2011, 04:24 AM
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DarZeelon
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Default RE: Wanted :Rossi 60-61 Piston, Sleeves
Mike, Roger,


The .60 engine is a side-exhaust, while the .61 is a rear-exhaust.

Also, the side-exhaust .60 is under-square (i.e. Long Stroke), having a bore of 22.7mm and a stroke of 24.4mm.
I believe the .61 is over-square, so the parts are hardly interchangeable.

There are also exhaust orientation mods...
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