| Diagram | Fig. 18 — MOTOR UNIT FITTINGS AND FOOTRESTS · ref 8 |
| Subsystem | frame |
| Listed in parts books | 1978–1979 |
Anchor bolt, left
Left-side anchor bolt for the motor unit fittings and footrests area, securing the engine mounting plate to the frame.
This is the left-side anchor bolt from the motor unit fittings and footrests group, the fastener that helps secure the engine mounting plate to the frame on that side. It's a small part but an important one -- these bolts carry real load where the motor plates tie into the frame, so they need to be in good shape and torqued properly.
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Our catalog record shows this one running through the 1978-1979 model years. Triumph later renumbered it to 21-7001, so if you're working from a parts book or an old invoice with either number, they point to the same physical bolt.
If you're replacing engine mounting hardware, it's worth checking the corresponding right-side bolt and the mounting plates themselves while you've got things apart. Call the shop if you're not sure which anchor bolt your bike needs -- there's a left and a right, and getting the wrong one means it won't line up.
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