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Topics - BEVANC

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Pre War / 1929 Sloper crankcase breather
« on: 16 July, 2017, 22:15:55 »
Hi folks,
I suspect that my crankcase breather may be blocked.  If I remove the primary side oiler (which I gather acts as the breather (yes/no ?), should I be able to feel some air pressure if I put my finger over the breather hole when I kick the engine over slowly ?

I've attached (I hope) a couple of images of the oiler\breather .

Turning it over:

https://www.youtube.com/watch?v=JHbwMKxtg1I

Cheers,
Bevan   

2
Pre War / OHV Sloper Gearing
« on: 21 April, 2017, 04:29:48 »
Hi folks,
Since recently purchasing an S29 3 speed 500 cc ohv Sloper, I have felt that it was working pretty hard at speed. 

The 1930 BSA Instruction book quotes the following gearing for a 4.93 H.P. model: engine shaft 19 tooth; clutch chainwheel 48 tooth; gearbox driving sprocket 19 tooth; rear wheel 42 tooth.

Mine are as specified except that the rear is 46 tooth, so that suggests an obvious way to drop the revs I guess.

I would be interested to know what gearing owners of similar bikes have.

Cheers,
Bevan

3
Pre War / Replacing Sloper fork spring
« on: 14 February, 2017, 06:45:00 »
Hi folks,
I'm new to girder fork bikes and would appreciate any tips on swapping the fork spring on my 1929 Sloper.  I presume it is under compression. Have bought a new spring since current one is very soft.
Cheers,
Bevan

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