| Also known as | 18-89308 |
| Listed in parts books | Not catalogued by year yet |
PISTONS TRI 650 +080 JCC
Oversize (+.080) piston for the Triumph 650 twin, part number JRC 650/080T.
This is a piston listed for the Triumph 650 twin, sized at +.080 over standard bore. It carries the JRC 650/080T part number in our records, with 18-89308 showing up as an alternate number for the same piece.
Read more
Oversize pistons like this come into play after a cylinder has been bored out to clean up wear or damage, so the +.080 marking tells you this one is meant for a bore that's already been machined out to that oversize spec, not a standard-bore cylinder.
We don't have much more detail on file for this one beyond what's above. Give the shop a call and we'll confirm it matches what you've got before you place an order.
Sorry if we got something wrong here. If you think this information isn't correct, .
