| Also known as | E4165 |
| Diagram | Fig. 14 — ENGINE UNIT FITTINGS AND FOOTRESTS · ref 8 |
| Subsystem | exhaust |
| Listed in parts books | 1964–1968 |
Bolt (1 11/16 in. U.H.)
A 1 11/16 in. under-head-length bolt used in engine unit fittings, cataloged as 70-4165 (formerly E4165, supersedes 29-5156).
This is a 1 11/16 in. U.H. bolt used in the engine unit fittings, catalogued alongside the engine fittings and exhaust system parts. In our records it goes by 70-4165, with E4165 as its older letter-prefix alias and 29-5156 as an earlier factory number it replaced.
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It shows up across a run of catalog entries covering engine fitting and footrest assemblies, so it's the kind of bolt that gets used more than once per bike in this area. If you're replacing one, matching the length (1 11/16 in. under the head) is the main thing to check against what's already fitted.
Call the shop if you're not sure this is the exact bolt your parts book is showing under a different number - between the E-prefix and the 29- number, there's a decent chance your book has it listed differently than ours does.
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