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by Ivor Collins
Sat May 02, 2020 11:54 am
Forum: Two stroke
Topic: Brake cam
Replies: 4
Views: 702

Re: Brake cam

Thanks for your replies.
This photo has the info I was looking for and shows the spring attachment boss. Looks like it was only used on the fulcrum adjusted backplate which has the ally shoes.
by Ivor Collins
Fri May 01, 2020 4:36 pm
Forum: Two stroke
Topic: Brake cam
Replies: 4
Views: 702

Re: Brake cam

Will Thanks for the reply. Usually there are 2 holes in the annular rib for anti squeal springs as can be seen in Nicks photo but do you have a third hole for the cam return spring? It looks as though the cam return was prevented from being pulled over centre by a second tab which must have acted as...
by Ivor Collins
Tue Apr 28, 2020 6:38 pm
Forum: Two stroke
Topic: Brake cam
Replies: 4
Views: 702

Brake cam

Can anyone help me with a picture or drawing of how/what kind of return spring is fitted to this design of brake cam. Better still, does anyone have an original spring they would part with?
I believe it was an early Leader brake design.
Thanks.
by Ivor Collins
Mon Apr 13, 2020 11:01 pm
Forum: Two stroke
Topic: Engine bolt hole query.
Replies: 10
Views: 733

Re: Engine bolt hole query.

High Nick The pair of holes underneath are for the side stand mounting plate so, unless you’re lucky enough to own one of those much sought after items, you won’t need to use them. The tapped hole at the front is not needed on the Arrow but attaches a support for the body panels on the Leader. Howev...
by Ivor Collins
Sat Apr 11, 2020 10:24 am
Forum: Two stroke
Topic: Footrest (Flat type)
Replies: 0
Views: 442

Footrest (Flat type)

Did I imagine it or have I seen a drawing of the footrest?
Would be good to put them back into the correct alignment after so many years of abuse.
I have looked in files but can’t find anything so maybe my memory is just playing tricks on me....Help!
by Ivor Collins
Tue Mar 10, 2020 9:09 am
Forum: Two stroke
Topic: Speedometer Ratio
Replies: 5
Views: 776

Re: Speedometer Ratio

I seem to recall that the number on the clock face is the number of turns per mile (of the cable?)
Not sure why the clock on a Leader would be different from an Arrow in that case though?
by Ivor Collins
Sat Feb 01, 2020 7:58 pm
Forum: Two stroke
Topic: Electric starter
Replies: 0
Views: 467

Electric starter

E1295E8D-FDB4-4DA2-9DCE-9E036A7C9644.jpeg I’m working on fitting a Suzuki 185 Dynastart and I know it has been done by a few before me. The crank nose only has an engagement of around 15mm into the rotor. Fitting a sleeve in the rotor which is clamped down onto the end of the crank nose doesn’t rea...
by Ivor Collins
Sun Sep 22, 2019 11:34 am
Forum: Two stroke
Topic: GEARBOX JUMPING in 2nd Gear ONLY
Replies: 8
Views: 5371

Re: GEARBOX JUMPING in 2nd Gear ONLY

I’m wondering if it’s a mechanical feeling to the jerking, like it’s slipping out of gear by a tooth or two before re engaging or it’s more of an engine misfire? If mechanical, is there any mileage in trying to recreate the load to the back wheel in second gear by applying the brake and running the ...
by Ivor Collins
Fri Jun 14, 2019 7:46 am
Forum: Two stroke
Topic: 1962 Arrow Starting Problems
Replies: 19
Views: 10146

Re: 1962 Arrow Starting Problems

Hello John and thank you for your reply. I did send a message last night it it must have got lost somewhere so here goes again! I assume you have made a blanking plate to fit in place of the barrels to do the vacuum test? If that is the case, the two halves of the crankcase are still connected toget...
by Ivor Collins
Thu Jun 13, 2019 9:41 pm
Forum: Two stroke
Topic: 1962 Arrow Starting Problems
Replies: 19
Views: 10146

Re: 1962 Arrow Starting Problems

Hi John I don’t think that I can offer anything more to the suggestions already made but I was interested in your Myvac. I have been looking at the idea of pressure/vacuum testing of the crankcase for some time and using a similar tester but stumped on how to test each side independently when the tw...

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