| Also known as | E12351 |
| Diagram | Fig. 4 — CYLINDER BLOCK AND HEAD, TR6R, TR6C · ref 25 |
| Subsystem | engine top |
| Listed in parts books | 1971 |
Exhaust rocker box
Exhaust rocker box for the 650 twin cylinder head, covering the exhaust valve rocker gear.
This is the exhaust rocker box, part number 71-2351 (also listed as E12351), off the top of the cylinder head on the 650 twin. It's the housing that covers the exhaust valve rocker gear, bolted to the head where the rocker arm pivots and pushes the exhaust valve open and shut.
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Our catalog record ties this one to the CYLINDER BLOCK AND HEAD figures for the TR6R, TR6C, and T120R, with the appearances in our records landing in 1971. If you're matching up a box for a rebuild, check it against the rest of your top end before you order, since intake and exhaust rocker boxes aren't interchangeable with each other.
Give us a call if you're not sure which side you need or how it pairs with the rest of your rocker gear — we can talk through what's in front of you before you commit to a part number.
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