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by will_curry
Sat Jun 15, 2019 12:44 pm
Forum: For sale/wanted - Bikes
Topic: ‘38 Red Hunter on ebay
Replies: 21
Views: 1179

Re: ‘38 Red Hunter on ebay

EOK is a Birmingham registration.
by will_curry
Tue Jun 11, 2019 4:40 pm
Forum: Four stroke
Topic: 1938 SQUARE FOUR CLUTCH PLATES
Replies: 6
Views: 404

Re: 1938 SQUARE FOUR CLUTCH PLATES

Just now dug out the new clutch plates from AOMCC Gearbox spares.

The corks are near enough to 1/4" thick to make no difference.
by will_curry
Sun Jun 09, 2019 11:37 pm
Forum: Ariel Talk
Topic: Head steady on FH.
Replies: 7
Views: 444

Re: Head steady on FH.

Alan, As Leslie says 'It's a can of worms' It's going to vibrate whatever you do. No balancing and the vibration is vertical. As you add weight to counter this vertical vibration you introduce horizontal vibration. The purpose of the headsteady is to 'dampen' this vibration so that things don't get ...
by will_curry
Sun Jun 09, 2019 8:06 pm
Forum: Ariel Talk
Topic: Head steady on FH.
Replies: 7
Views: 444

Re: Head steady on FH.

The Huntmaster head steady is the same as used by BSA on the plunger A10. Swinging arm A10's had a much more complicated effort on top of the rockerbox which if Ariel had adopted would have meant the end for the access hole in the top of the Ariel rockerbox for doing the pushrods. I've had both plun...
by will_curry
Sat Jun 08, 2019 11:40 pm
Forum: Four stroke
Topic: Thorspark Electronic Ignition on a VH
Replies: 24
Views: 1130

Re: Thorspark Electronic Ignition on a VH

Bob, Just found a compass - the outer face of the single magnet is North and the inner South. By North I mean that the part of the compass which points North - Bedford in my case - points to the outer face and the part of the compass which points South - Luton ditto - points to the inner face. Will.
by will_curry
Sat Jun 08, 2019 11:28 pm
Forum: Four stroke
Topic: Thorspark Electronic Ignition on a VH
Replies: 24
Views: 1130

Re: Thorspark Electronic Ignition on a VH

Bob, Try 'phoning them. They were very helpful when I couldn't make the backplate fit. I'm not sure it actually matters which polarity is which. What matters is if they are the same or different. I'd wondered about balance. If I get some free time I'll experiment tomorrow. I have a spare magneto in ...
by will_curry
Sat Jun 08, 2019 2:26 pm
Forum: Four stroke
Topic: Thorspark Electronic Ignition on a VH
Replies: 24
Views: 1130

Re: Thorspark Electronic Ignition on a VH

My Thorspark purchased last year has only one magnet. I've not fitted it yet so I can't help with how it works but I've just seen in the Thorspark notes that the second magnet shouldn't be removed. Another challenge. I bought the Thorspark for much the same reason as you having had a magneto fail ca...
by will_curry
Sat Jun 01, 2019 5:29 pm
Forum: Four stroke
Topic: Shock absorber knocking
Replies: 56
Views: 2418

Re: Shock absorber knocking

Sounds like the rocker box is flooding with oil. The oil should drain down through the tappet blocks and any blockage there is a recipe for smoke. The stud which connects the rocker and oil gauge pipe to the crankcase has a hole designed to regulate the amount of oil going 'upstairs'. This means tha...
by will_curry
Thu May 30, 2019 12:57 pm
Forum: Four stroke
Topic: How to seal the timing cover gasket on a KH500
Replies: 7
Views: 421

Re: How to seal the timing cover gasket on a KH500

Just a thought - is the crankcase breather working as it should?
by will_curry
Fri May 24, 2019 12:42 pm
Forum: Four stroke
Topic: So it begins
Replies: 56
Views: 2791

Re: So it begins

Isn't it mostly rocker-box oil draining down that lubricates the cams and followers so
cutting the flow down might diminish the smoky exhaust but . . .

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