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by malcolm.johnson
Mon Dec 10, 2018 8:55 pm
Forum: Four stroke
Topic: 4G Conrod Advice
Replies: 23
Views: 2292

Re: 4G Conrod Advice

That is a very commendable incentive. Does this same advice also apply to the later Sq4 rods with separate shell bearings? When I rebuilt my first 4G, it had the later rods which I carefully checked, polished and refitted with new bearings on a re-ground pair of crank shafts which obviously were tho...
by malcolm.johnson
Mon Dec 10, 2018 11:03 am
Forum: Four stroke
Topic: 4G Conrod Advice
Replies: 23
Views: 2292

Re: 4G Conrod Advice

This is a subject that I will have to address in due course and I understand that the club spares scheme gives a part exchange of £25/rod, for old style rods. I presume the club then sells these "old" rods on, but to who, if it is such a bad idea to use them? Is connecting rod failure on a...
by malcolm.johnson
Fri Dec 07, 2018 7:15 pm
Forum: Four stroke
Topic: Spare brake lever spring.
Replies: 2
Views: 401

Spare brake lever spring.

In amongst the boxes of bits of my totally dismantled rigid 47 Sq 4, were these three springs. As I am now, about to assemble the rear brake and hub, the original brake lever spring is I believe the one on the right and in the middle is an unused replacement, which I will probably use. The unused on...
by malcolm.johnson
Sat Dec 01, 2018 12:04 pm
Forum: Member's Bikes
Topic: Result of the NH petrol tank pinstriping
Replies: 9
Views: 5447

Re: Result of the NH petrol tank pinstriping

Loved that post, very timely and inspirational. Well done!!!!!
by malcolm.johnson
Fri Nov 23, 2018 7:32 pm
Forum: Four stroke
Topic: Mudguard Bracket 5600-39
Replies: 1
Views: 308

Re: Mudguard Bracket 5600-39

I am not familiar with the plunger frame, but the part 5600-39 illustrated looks just like the bracket fitted at the top of the oil tank on my rigid. However I am sure plunger experts will be on your case soon!
by malcolm.johnson
Thu Nov 22, 2018 8:51 pm
Forum: For sale/wanted - Parts
Topic: 4G RIGID REAR STAND and SADDLE.
Replies: 1
Views: 417

4G RIGID REAR STAND and SADDLE.

I am in need of a rear stand for my rigid 1947 Square. Quite happy to take on a worn, bent or broken one. Spring too if you have one. Would also like a useable saddle, with or without springs and here again happy to repair if needed. Thanks, Malcolm.
by malcolm.johnson
Wed Nov 14, 2018 9:38 pm
Forum: Four stroke
Topic: Square 4 wheel rim size.
Replies: 6
Views: 529

Re: Square 4 wheel rim size.

The rim is a fairly old but totally unused (never built) and in perfect condition 19 inch WM3 Radaelli polished stainless already nicely painted and lined. It was all wrapped up until the other day. It is stamped CWC - England which currently would cost at least £150, so it certainly would be nice t...
by malcolm.johnson
Tue Nov 13, 2018 8:36 pm
Forum: Four stroke
Topic: Square 4 wheel rim size.
Replies: 6
Views: 529

Square 4 wheel rim size.

I have been working on my second 1947 rigid/teles Sq4 , a project I took over several months ago from a deceased enthusiast. There is one new wheel rim with the project with red painted centre and gold lining. I was about to order the second rim and spokes for both, but I noticed the one I have is a...
by malcolm.johnson
Tue Nov 13, 2018 7:45 pm
Forum: Four stroke
Topic: MO1 Magneto Question
Replies: 7
Views: 600

Re: MO1 Magneto Question

I made an "L" shaped punch by heating to red the blade end of an old screwdriver, bending to 90 degrees and quench, to dig in behind the bearing where the paper gasket is. A gentle tap with a hammer through the bearing hole, on the handle, will usually pop the bearing track out without hea...
by malcolm.johnson
Wed Oct 17, 2018 11:13 am
Forum: For sale/wanted - Parts
Topic: WANTED GEARBOX SHELL VAF G15.
Replies: 4
Views: 566

Re: WANTED GEARBOX SHELL VAF G15.

Thank you all for your input. One of our club officers came to my rescue within hours and I can now convert the gearbox to an Ariel GB rather than AJS/Matchless.

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