| Also known as | 114-038-70E, D951 |
| Diagram | Fig. 4 — CLUTCH AND PRIMARY CHAINCASE · ref 12 |
| Subsystem | primary |
| Listed in parts books | 1968, 1970–1971 |
PRIMARY CHAIN-TR25W RENOL
Renold primary chain for the Triumph TR25W 250cc single.
This is the primary chain for the TR25W, the 250cc Triumph single, made by Renold. The primary chain runs on the engine side of the bike, connecting the engine sprocket to the clutch, and it's what actually gets drive from the crank into the gearbox before the final chain takes it out to the rear wheel.
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The part number 60-0951 shows up in the parts books under that number and also under the alternate form 114-038-70E, so if you're cross-referencing an older book or a different catalog listing, that's the same physical chain.
We don't have a lot of extra detail on file for this one beyond the TR25W application and the Renold branding. If you're not sure this is the right chain for what you're working on, call the shop and we'll confirm before you order.
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