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by nevhunter
Sun Aug 30, 2020 3:51 am
Forum: Four stroke
Topic: 1955 Huntmaster questions
Replies: 35
Views: 943

Re: 1955 Huntmaster questions

The primary chain may need a little tightening. Check it when fully hot. The iron Qualcast brake works OK till you get it real hot so long as it's running true and adjusted properly Have the wheel off the ground to check it properly . Sometimes a bit of lining material has to be removed from the tra...
by nevhunter
Sun Aug 30, 2020 1:50 am
Forum: Four stroke
Topic: MK1 Valve guide seals
Replies: 11
Views: 559

Re: MK1 Valve guide seals

As long as there's room for it when the valve is fully open. Fitting with the head still on requires the piston be at TDC and plenty of air pressure applied through the plug hole with a reliable fitting. I'd only do the inlets unless you have the technique fully mastered. You'd also have to block th...
by nevhunter
Sat Aug 29, 2020 2:21 pm
Forum: Ariel Talk
Topic: Engine rebuild - W/NG
Replies: 43
Views: 2074

Re: Engine rebuild - W/NG

Yes. the original is pretty "how's your father." One tiny tack of weld if you are lucky .Nev
by nevhunter
Sat Aug 29, 2020 12:57 am
Forum: Four stroke
Topic: MK1 Valve guide seals
Replies: 11
Views: 559

Re: MK1 Valve guide seals

I think that would work fine. If i recall correctly a thin formed stepped washer went on first on top of the springs then the "O" ring dropped in and the colletts and normal retainer went above it. Nev
by nevhunter
Sat Aug 29, 2020 12:49 am
Forum: Main Chat Forum
Topic: first and last ride
Replies: 19
Views: 885

Re: first and last ride

Yes there's no comparison. At the time the 650 thunderbird was pretty responsive and I found any scooter I rode to be so poor at handling tramlines , potholes in the road and wet roads that it was a no braIner to stay off them. Wheel diameter is too small and you are just sitting there as if on a ch...
by nevhunter
Tue Aug 25, 2020 1:26 am
Forum: Four stroke
Topic: Gearbox Noise
Replies: 3
Views: 206

Re: Gearbox Noise

It's got crook ratios as it's a trials ratio gearbox. Some people can hardly ride them as they can be quite awkward. You have to change into top slowly. TOP is a direct drive and none of the actual gears are loaded. However if you take it back to civil ratios it will be a better bike by far. The sle...
by nevhunter
Mon Aug 24, 2020 6:38 am
Forum: Main Chat Forum
Topic: FORUM DOWN
Replies: 14
Views: 449

Re: FORUM DOWN

I'm been getting a "not secure" notification for at least a week and several posts seem to have disappeared. If that helps Nev
by nevhunter
Sat Aug 22, 2020 4:33 am
Forum: Four stroke
Topic: What kind of valves...?
Replies: 10
Views: 432

Re: What kind of valves...?

Stainless is a dreadful metal for galling and binding. If you do stainless spokes (and nipples) without the special lubricant for assembly, you will find out. As john(Whiting) says There's many different types of stainless. LP Gas fuelled engines need good valve head material. A mate who used to wor...
by nevhunter
Sat Aug 22, 2020 4:14 am
Forum: Four stroke
Topic: What kind of valves...?
Replies: 10
Views: 432

Re: What kind of valves...?

Mike, Run extra .002" and go up a hill and immediately stop the engine and check what clearance it still has and add more if it lost too much. Leave the tappet cover off you won't lose much oil .You must check it quickly or you won't be considering operating conditions. Nev
by nevhunter
Sat Aug 22, 2020 1:16 am
Forum: Main Chat Forum
Topic: moving house.
Replies: 15
Views: 716

Re: moving house.

Good luck David. A lot of things have changed since THAT Rally, haven't they? Nev

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