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by Ivor Collins
Fri Aug 18, 2017 9:15 am
Forum: Two stroke
Topic: Arrow tuning and mods
Replies: 20
Views: 5575

Re: Arrow tuning and mods

What month/year did the Ariel Arrow tuning article appear in Motorcycle Mechanics? Anyone got a copy? Thanks Alan Hi Alan I'm not sure that it's the same article as no dates or front cover but I do have something called Ariel Roadster to Racer Part 1. If you think it's of any use I would be happy t...
by Ivor Collins
Mon Jul 17, 2017 8:21 am
Forum: Two stroke
Topic: Removing gearbox sprocket
Replies: 9
Views: 920

Re: Removing gearbox sprocket

Where are you in the country?
by Ivor Collins
Sun Jul 16, 2017 10:20 am
Forum: Two stroke
Topic: leader rear fork pivot .
Replies: 11
Views: 1259

Re: leader rear fork pivot .

No, I would only use it to heat the bolt by attaching the earth to the bolt head and a substitute electrode to the other end. But a word of warning, this puts a huge load on the transformer, modern ones often don't have the power or the robustness to withstand this! Did you get the grub screw out? I...
by Ivor Collins
Sat Jul 15, 2017 1:26 pm
Forum: Two stroke
Topic: leader rear fork pivot .
Replies: 11
Views: 1259

Re: leader rear fork pivot .

My last reply seems to have disappeared into the ether and assume it's lost forever so here goes with a second attempt! I'm hoping that some gorilla has tightened the grub screw, not only enough to round it off, but also enough to deform the the steel bush and lock it all to the pivot. Maybe getting...
by Ivor Collins
Sat Jul 15, 2017 12:03 pm
Forum: Two stroke
Topic: Removing gearbox sprocket
Replies: 9
Views: 920

Re: Removing gearbox sprocket

Please don't use a cold chisel!
A socket or box spanner is what's needed.
If you take it to the garage where you have your car serviced they will do it for you, probably foc
If not maybe we have someone close enough to help?
by Ivor Collins
Sat Jul 15, 2017 8:29 am
Forum: Two stroke
Topic: leader rear fork pivot .
Replies: 11
Views: 1259

Re: leader rear fork pivot .

You have probably also removed the grub screw screw securing the steel bushing to the aluminium casting, gearbox side? Do the forks still rotate around the pivot bolt or has it seized in the bushings? I have seen some badly damaged threads in the castings but always assumed it was due to forcing the...
by Ivor Collins
Fri Jul 14, 2017 5:31 pm
Forum: Two stroke
Topic: leader rear fork pivot .
Replies: 11
Views: 1259

Re: leader rear fork pivot .

Hi Stephen

Maybe a silly question but I will as anyway!

Have you removed the bolt from the primary chaincase which is threaded into the swing arm pivot?

Regards
by Ivor Collins
Sat Oct 29, 2016 6:29 pm
Forum: Two stroke
Topic: Lack of power
Replies: 56
Views: 4682

Re: Lack of power

Hi Alan Sorry to hear of the continuing problems. Was the lost power fully restored after the rebuild or were you still uncertain? I don't think the unmatched cranks theory is likely, if there was a problem of misalignment between the two haves sufficient to damage the seal, that run out would be ma...
by Ivor Collins
Sat Oct 29, 2016 6:08 pm
Forum: Two stroke
Topic: center crankshaft bearing
Replies: 17
Views: 1778

Re: center crankshaft bearing

Hi Roger Thanks for providing the photographic evidence, you even captured the part number! I have tried to trace P7666 to find out what the seal characteristics are but no luck so far, if anyone is seriously interested I have some other avenues I could pursue but as we don't know how effective it w...
by Ivor Collins
Sat Oct 29, 2016 1:53 pm
Forum: Two stroke
Topic: Rectifier
Replies: 6
Views: 785

Re: Rectifier

Hi David Even when wanting to retain originality you would be wise to fit a fuse and catty spares, not the ones resembling a domestic fuse but the in line mini blade fuse variety That rectifier will do the job of converting ac to dc but without a regulator in the circuit you will cook the battery! I...

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