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by pete.collings
Fri Sep 07, 2018 11:38 pm
Forum: Ariel Talk
Topic: Gearbox markings and dating of bike
Replies: 14
Views: 1157

Re: Gearbox markings and dating of bike

Don't always assume the plate on the magneto is the original, they often get damaged and are exchanged for a better condition one (or possibly to suit the model/year of the bike?). The screws are relatively easy to remove should you want to replace the plate.
by pete.collings
Sun Aug 26, 2018 9:21 pm
Forum: Four stroke
Topic: Front Mudguard Centre Stay
Replies: 11
Views: 934

Re: Front Mudguard Centre Stay

I thought they were used in the bikes with FW hubs, and a much deeper front mudguard !956-59?)
by pete.collings
Thu Aug 23, 2018 11:23 pm
Forum: Four stroke
Topic: 'Slipping' timing on 57 Huntmaster
Replies: 12
Views: 1025

Re: 'Slipping' timing on 57 Huntmaster

Another cause is breakup of the insulating washer that locates the bearing outer ring, if it has completely disappeared it would give around 2mm float
by pete.collings
Wed Aug 15, 2018 11:37 pm
Forum: W/NG Technical
Topic: Primary drive sprockets
Replies: 10
Views: 1198

Re: Primary drive sprockets

The 42t chainwheel was fitted on the early Huntmasters, but they soon reverted to the standard 44t chainwheel as it was found to be slightly overgeared. I don't know if it was used in any other Ariels of that period (early to mid 50s), but would have thought it post dated the WNG. It is possible som...
by pete.collings
Thu Aug 09, 2018 11:29 pm
Forum: Four stroke
Topic: MO1 magneto drive gear
Replies: 2
Views: 492

Re: MO1 magneto drive gear

I believe the wider gear was introduced when the E3L 60w dynamo was fitted, replacing the E3H 48w dynamo. The later dynamo would put a greater load on the slipping clutch system and the fibre wheel teeth, so a wider gear was used to spread this load. The two systems are generally interchangeable, bu...
by pete.collings
Wed Aug 08, 2018 10:45 am
Forum: Main Chat Forum
Topic: cruising speed VH
Replies: 25
Views: 2438

Re: cruising speed VH

You don't say what year your VH is, but for swinging arm VHs the standard engine sprocket is 23t, with the standard chainwheel at 44t. In the very early days of my Ariel ownership, I once fitted a 19t engine sprocket to my VH as the existing one was badly worn, like you the acceleration was great, b...
by pete.collings
Sun Aug 05, 2018 12:10 pm
Forum: For sale/wanted - Parts
Topic: Points carrier
Replies: 3
Views: 453

Re: Points carrier

The points fitted to a K2F points block (brass type only) are a larger thread size than the MO1 type, and can be used to recover a Magdyno points block, if you cannot find a replacement points block.
by pete.collings
Sat Jul 28, 2018 11:42 pm
Forum: Ariel Talk
Topic: Huntmaster crankcase stamping.
Replies: 3
Views: 606

Re: Huntmaster crankcase stamping.

That whoever was doing the stamping picked up the wrong punch?
by pete.collings
Tue Jul 24, 2018 11:59 am
Forum: For sale/wanted - Parts
Topic: Ariel Spares for Sale - Last Update December 2019
Replies: 18
Views: 18167

Re: Ariel Spares for Sale - Last Update June 2018

Hi Gary You may be confusing me with Pete Kemp, who runs the AOMCC singles spares, and would certainly have gaskets amongst all the other parts he has available. I am just an AOMCC member who happens to list some spares on the forum, and also has a stall at a few autojumbles. The listings at the sta...
by pete.collings
Sat Jul 21, 2018 11:06 pm
Forum: Four stroke
Topic: Single crankshaft pinion woodruff key
Replies: 4
Views: 543

Re: Single crankshaft pinion woodruff key

That type of key is used in MO1 magnetos and E3 dynamos, with the flat end facing outwards, so as not to obstruct the lockwashers. I don't remember fitting any lockwasher to my VH timing pinion setup, you should just ensure the LH nut will screw fully home (usually with a dab of loctite as extra sec...

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