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by pete.collings
Sun Dec 29, 2019 10:51 pm
Forum: Main Chat Forum
Topic: Daily Fixing and Riding Diary on an Ariel 2019
Replies: 341
Views: 58225

Re: Daily Fixing and Riding Diary on an Ariel 2019

No nuts normally, as they would get in the way of the rear chain. The screws can be tight if a little corrosion has taken place, I have also removed them using an impact driver. although there is not a lot of room to swing a hammer to give a firm blow , also use an impact driver bit with a good tigh...
by pete.collings
Thu Dec 26, 2019 8:28 pm
Forum: Main Chat Forum
Topic: 1950 Ariel red hunter 497cc VH piston rings
Replies: 10
Views: 351

Re: 1950 Ariel red hunter 497cc VH piston rings

There were two depths of compression rings for a VH, the low(er) compression pistons have depths of 0.115" and the higher compression pistons have a depth of 0.130", the other dimensions are the same (1/16" thickness and nominal oversize). I think your piston may be a 7.5:1 compressio...
by pete.collings
Sun Nov 17, 2019 8:11 pm
Forum: Four stroke
Topic: F cam reprofiling
Replies: 32
Views: 2182

Re: F cam reprofiling

I have a HSmk3 profile cam that has been built up on the base of a twin lobe cam, that has been ground down enough to allow the single lobe profile to be built up and ground to shape. Not sure if it was a F cam or a 642 cam, the latter has more meat on it to allow for reprofiling.
by pete.collings
Sun Oct 20, 2019 11:09 pm
Forum: Ariel Talk
Topic: A new member needs advice
Replies: 22
Views: 6784

Re: A new member needs advice

It is also possible that the dynamo has jammed, I once had a dynamo converted to 12v that overheated the armature and unsoldered the commutator segments, jamming the dynamo rotation. As a result of this, the slipping clutch assembly in the magneto slipped (!!) and generated a lot of heat in the magn...
by pete.collings
Tue Oct 08, 2019 4:15 pm
Forum: For sale/wanted - Parts
Topic: Wanted: Mainshafts VH
Replies: 5
Views: 3190

Re: Wanted: Mainshafts VH

There is one on EBay at the moment, item number 283633221042. I have brought from this seller before without any problems, but that was for dynamo parts, so ask seller if you need further info.
by pete.collings
Fri Sep 27, 2019 12:54 pm
Forum: Ariel Talk
Topic: Spanners New Old Stock
Replies: 8
Views: 3702

Re: Spanners New Old Stock

The size and angle of the larger end looks like it would be used to tighten the nuts retaining the head steady to the underside of the cylinder head on a Huntmaster. There is not much clearance in this area, and I have in the past had to use a shortened cranked spanner to tighten these nuts, as ther...
by pete.collings
Fri Sep 20, 2019 8:44 pm
Forum: Four stroke
Topic: Lucas MN1E Magdyno on my 1938 square four
Replies: 3
Views: 949

Re: Lucas MN1E Magdyno on my 1938 square four

I am not familiar with the setup with a MN1E magneto, but recently on a K2F magneto I had obtained I found a screw retaining the leaf spring was not screwed fully home, and was making contact with the cam ring, and interrupting the points circuit. Shortening the screw and making sure it was fully ho...
by pete.collings
Thu Sep 19, 2019 5:16 pm
Forum: Four stroke
Topic: Eye Bolt Huntmaster Gearbox
Replies: 21
Views: 1829

Re: Eye Bolt Huntmaster Gearbox

If tightening the adjuster nut once the primary chain is at the correct tension, always tighten it so that it cannot be pulled back by the rear chain, from memory this means any gap in the nut is to the back of the bike. Otherwise, the higher pull of the rear chain will overtighten the primary chain...
by pete.collings
Thu Aug 08, 2019 7:45 pm
Forum: Four stroke
Topic: Idle W/NG
Replies: 41
Views: 4519

Re: Idle W/NG

Should be a test for your wet weather gear as well as the bike ??
by pete.collings
Sun Jul 28, 2019 10:59 am
Forum: Main Chat Forum
Topic: Vehicle recovery for MOT exempt bikes
Replies: 2
Views: 957

Vehicle recovery for MOT exempt bikes

My insurance renewal from Carol Nash includes a premium for a vehicle recovery service underwritten by AXA, but the AXA policy details states the bike must have a current MOT. I have emailed Carol Nash asking for a definitive reply as to whether my VH, as a MOT exempt vehicle with no current MOT, wi...

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