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Topics - Happyhenry

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Singles / B32 - Heavyweight Gearbox Speedo Drive
« on: 30 April, 2020, 16:19:47 »
Hello all,

I have a 1949 rigid B32 which has an M-Type heavyweight gearbox on which the speedo drive is mounted top-rear.

Risking life and limb by running the bike in gear on the bench I can see that the inner spindle rotates, so drive assumed OK.
Attaching the cable to a battery screwdriver I can determine that the speedo works (in the same rotation as the gearbox drive).
Connect the cable to the gearbox and the speedo doesn't work.

There seems to be a fairly long tail on the cable, but peering in with a torch I am concerned that the gearbox spindle is worn internally and not gripping the cable.
What is the best solution? I'm currently thinking of building up the cable end with solder and filing back to fit.
Must be quite a common problem. Any suggestions welcomed.

Twins / A7 Longstroke - Timing Cover
« on: 25 March, 2020, 22:05:39 »

When did the piled arms start appearing on the timing chest cover of the A7 longstroke?

Was it only on the Star Twin, or did the 'cooking model' have it at some point?


Which BSA do you ride? / A7 Longstroke
« on: 20 August, 2019, 21:48:48 »
Here's one of mine - recently sparkless on the Mendips.
Hot old capacitor - now fixed thanks to Brightspark Magnetos...and some keyhole surgery.

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