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Messages - Bess

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1
The Star and Garter / Re: hello from a newbie
« on: 22 April, 2019, 08:40:32 »
Hi and welcome to the club  :) :) :)

2
The Star and Garter / Re: Vehicle Substantial Changes
« on: 18 April, 2019, 18:37:35 »
Hi Mike,
             Interesting read, thanks for sharing  :)

3
Singles / Re: C15 clutch advise
« on: 14 April, 2019, 22:08:50 »
Hi,
    Have you looked at service sheets 59 and 64 in the members area?

Best wishes...

4
Twins / Re: Fitting barrels
« on: 14 April, 2019, 13:24:51 »
Hi,
    Here's an extract from the manual:

Best wishes...

5
Twins / Re: A10 SR camshaft bushes
« on: 08 April, 2019, 22:12:10 »
Hi,
    Here's a link to a A65 camshaft bush replacement which may help, they are similar to the A10.

https://www.bsaownersclub.co.uk/bsaoc_forum/index.php?topic=4227.msg20805#msg20805

Best wishes...

6
Twins / Re: A65 front end and brake.
« on: 28 March, 2019, 13:39:57 »
Hi,
     Look here ;

https://www.draganfly.co.uk/bsa/bsa/a50-a-a65/1962-63/category/188-primarycover62-63

The primary case has areas machined off the case screw hole to allow oil to pass from the case through the screw hole to atmosphere. Screw 68-233 is a oil level case screw, screw 68-234 is a oil drain case screw both using alloy or fibre washers as a seal.

Best wishes...



7
Twins / Re: A65 clutch springs.
« on: 21 March, 2019, 19:19:13 »
Hi,
    If it helps, bolts should be 1 7/8" long.

Best wishes...

8
Singles / Re: B40 tank mount brackets 1965
« on: 20 March, 2019, 15:25:31 »
Hi,
    I found this, hope it helps?

Best wishes...

9
Hi,
    I have recently had 1 set for a A65 another for a A10 from Armour Motor Products that were fine.

Bests wishes...

10
Which BSA do you ride? / Re: Latest bike build
« on: 19 March, 2019, 13:36:37 »
A little more progress, hopefully sort the lights electrics in the next few weeks.

11
The Star and Garter / Re: BSA Transmogrification Service
« on: 18 March, 2019, 15:18:41 »
:o :o

15
Twins / Re: A10 gearbox clutch mainshaft thread size?
« on: 16 March, 2019, 17:27:49 »
Hi,
    The 5/8" CEI is a 60 degree thread, depth 0.533 x pitch, an Admiralty is a whitworth fine at 55 degrees, depth 0.64 x pitch both at 20 tpi, very unlikely to be Admiralty thread.

It still seems to me that the shaft has distorted threads that need attention, try the tap in the old nut and you might find it bites. Also try aligning the tap along the shaft threads looking for problems. The links below demonstrates that the threads are the same for both nuts:

https://www.britishbikebits.com/gearbox-mainshaft-nut-bsa-a-b-m-models
https://www.britishbikebits.com/clutch-mainshaft-nut-bsa-a7-a10-1959-63

Best wishes...


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