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Exhaust Gasket Question

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Joined: Sun Jan 09, 2022 2:15 pm
Location: Atlantic Highlands, NJ
Replica: 2003 Derbi GPR 50cc
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Exhaust Gasket Question

Post by al_pritchard » Wed Mar 01, 2023 11:03 am

I asked this over in the Aprilia forum, and thought I would ask here as well.

I'm hoping someone can help me work out the gasket I need for the Airsal cylinder. Or if everyone is just running a bead of coper coat.

The SCR chamber has a 28mm opening at the end of the manifold. And the Airsal cylinder exhaust opening is 35mm at the widest point. And 28mm at the inside of the taper. It looks like it should have a cone style crush gasket. But I cant find anything close to the measurements.


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