| Diagram | Fig. 30 — A70 MODEL — Except for the following, all other items are as A65 Lightning · ref 22 |
| Listed in parts books | 1972 |
BSA Distance piece — engine sprocket
A distance piece that positions the engine sprocket on a BSA crankshaft.
This is a distance piece that fits behind the engine sprocket on the crankshaft. Its job is simple: it sets the sprocket at the correct position on the shaft and keeps everything running true against whatever it seats against, whether that's a seal, a bearing, or the sprocket itself.
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The catalog record for this one places it under the A70 figure, with a note that most items in that figure carry over from the A65 Lightning. That's BSA territory, not Triumph, so if you're working on a Triumph engine this isn't your part.
Our record on this piece is thin — one entry, one figure. If you're trying to match this up to a specific BSA engine build, give us a call and we'll go over what you've got before you order.
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