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by nevhunter
Tue Sep 15, 2020 2:23 am
Forum: Four stroke
Topic: Horrible clutch!
Replies: 14
Views: 499

Re: Horrible clutch!

Crunching into first means it's not disengaging fully. You may also have trouble getting neutral with the engine running. Stick to cork. It won't overheat unless slipping or you try to take off in top with a lot of power up a hill...Notching of the inner and the basket make a bad operating clutch as...
by nevhunter
Tue Sep 15, 2020 2:06 am
Forum: Ariel Talk
Topic: HANDLE BARS
Replies: 9
Views: 385

Re: HANDLE BARS

Just check the length of the straight bit in the middle. If that's enough the rest is up to you. Harleys are stainless even if coated dull black (originals) Don't tell ANYONE it's off a Harley. Nev
by nevhunter
Mon Sep 14, 2020 1:01 am
Forum: Ariel Talk
Topic: HANDLE BARS
Replies: 9
Views: 385

Re: HANDLE BARS

Change them to suit yourself. You may have to lengthen some cables for other shapes. Harley or Royal Enfield ? Watch the metric sizes as they are marginally smaller. There are firms who make them individually Try to get the KNURL in the middle replicated.Sitting more upright you might also consider ...
by nevhunter
Sun Sep 13, 2020 5:31 am
Forum: Ariel Talk
Topic: RAL COLOUR.
Replies: 8
Views: 241

Re: RAL COLOUR.

This is a colour that I reckon gets mucked up frequently although restorers say they have had it matched accurately. It sometimes loses its Intensity and depth of colour. I reckon it's due to the tinters having traces of white or black in them and the result is a dulling of the colour (grey added). ...
by nevhunter
Sun Sep 13, 2020 2:43 am
Forum: Main Chat Forum
Topic: Dragonfly clutch plates
Replies: 15
Views: 533

Re: Dragonfly clutch plates

It's a bad disease, probably incurable but I've gotten over it (with the occasional(RARE) relapse) Generally I try to stick to pretty much as it was, because "where do you stop?". Your lazy twin is probably very nice as you can balance that type of motor quite well. Your Norton is going to...
by nevhunter
Sat Sep 12, 2020 1:44 am
Forum: Main Chat Forum
Topic: Dragonfly clutch plates
Replies: 15
Views: 533

Re: Dragonfly clutch plates

You might need to pack the cover out a bit or get a deeper one. They are available here. It might be better to make a new extended Centre and lighten it and harden it as well. The original is only cast iron. The "curved bit " is the basket. The lighter the mass of a clutch the nicer the ge...
by nevhunter
Sat Sep 12, 2020 1:35 am
Forum: Four stroke
Topic: Engine oil for FH650
Replies: 15
Views: 490

Re: Engine oil for FH650

The 20/50 and such are usually more needed where cold temps are encountered, to avoid the need for lengthy warmups. It's done with polymers which do wear out so the straight oils will keep their viscosity longer but it's not a problem unless you leave the oil in there for long periods.. The conventi...
by nevhunter
Fri Sep 11, 2020 1:03 am
Forum: Four stroke
Topic: Engine oil for FH650
Replies: 15
Views: 490

Re: Engine oil for FH650

Meeting pollution standards has compromised many modern oils as to be suitable for our use . How many aircooled engines are out there apart from lawn mowers and our old bikes? We are a very small section of a market, and probably not catered for at all, specifically. .Johnny, if the oil is clean in ...
by nevhunter
Thu Sep 10, 2020 12:46 pm
Forum: Main Chat Forum
Topic: Dragonfly clutch plates
Replies: 15
Views: 533

Re: Dragonfly clutch plates

I'd just weld slightly curved bits on the outer basket and nickel bronze on the centre bit and machine or file. Nev
by nevhunter
Thu Sep 10, 2020 1:05 am
Forum: Four stroke
Topic: Engine oil for FH650
Replies: 15
Views: 490

Re: Engine oil for FH650

I use Aviation oils ....W-100PLUS. It has special additives for cam lobes and some aero engines run 3 springs on each valve. The "Usual" heavier 20-50 and straight 50 oils are for worn out, LOOSE car engines not specifically for hot running iron AIRCOOLED engines. These oils must meet a wo...

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