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by Simon.Gardiner
Wed Nov 07, 2012 12:59 am
Forum: Four stroke
Topic: Crankcase pressure
Replies: 11
Views: 2454

There's always been a touch of the 'black arts' about engine breathing, I seem to remember something about people putting big breathers all over Vincent V-twins and massively increasing oil consumption. I've also always been curious as to why the original Ariel timing-chest breather with a nice valv...
by Simon.Gardiner
Tue Nov 06, 2012 12:40 am
Forum: Four stroke
Topic: Changing a tyre
Replies: 11
Views: 2523

I've heard that soap or shampoo is OK but washing-up liquid isn't as it's got a high salt content.

The only other thing I'd add is make sure you get the tyre bead into the well.
by Simon.Gardiner
Sun Oct 28, 2012 10:50 pm
Forum: Ariel Talk
Topic: Mainshaft Inboard thread type
Replies: 3
Views: 794

Hi Pete ! I sit here with a pair in front of me - drive side right hand thread, gear side left hand thread. I tend to put the flywheel in a vice (use soft-jaws, bits of scrap ally or even paper if worried about 'bruising' the flywheel) and use a socket with a long extension bar (old Matchless fork l...
by Simon.Gardiner
Sun Oct 28, 2012 1:22 pm
Forum: Four stroke
Topic: Decompression valve problems Ariel NG
Replies: 42
Views: 10933

Every time I've used multigrade I've ended up with a siezed piston, stick with monograde!
by Simon.Gardiner
Tue Oct 23, 2012 11:15 pm
Forum: Main Chat Forum
Topic: Ariel Red hunter help HU
Replies: 19
Views: 4091

Oil tank looks very like the 6-pint one on my 51 VH (except for maybe a bigger filler and a funny cap - is that what you were getting at Adrie?); '50 frame and '49 engine could be 'matching' for the bike, nice headlight with what looks to be a complete underslung pilot light unit, mudguards look goo...
by Simon.Gardiner
Mon Oct 22, 2012 11:04 pm
Forum: Four stroke
Topic: 600f OHV Cam Followers
Replies: 10
Views: 2151

Played that man!
I get the same thing, ask the question and straight after you realise what the answer is yourself! :D
by Simon.Gardiner
Sun Oct 21, 2012 8:39 pm
Forum: Ariel Talk
Topic: Hi compression piston & HS cams in NH
Replies: 61
Views: 19817

Brenton - phew, I'm glad that lift figure was a typo it's tricky enough getting the details agreed with these! For general info, Joy Engineering are still around, might be in Bishops Stortford rather than Ware, but that might be an issue for the locals. I was talking to Mr Joy the other day and I've...
by Simon.Gardiner
Sat Oct 20, 2012 11:49 pm
Forum: Ariel Talk
Topic: Hi compression piston & HS cams in NH
Replies: 61
Views: 19817

Brenton - I've got a couple of sources for 0.41 (10.5mm) for lift on the HS Mk3 cam - but you've got something for 0.43 ??
by Simon.Gardiner
Fri Oct 19, 2012 8:21 pm
Forum: Ariel Talk
Topic: Hi compression piston & HS cams in NH
Replies: 61
Views: 19817

Brenton (or David) - are you using the usual huge tappet clearances for those timing graphs ? (And Brenton from your posts on pistons you might be getting rather less blow-by and crankcase pressure with the new sleeve? :) ) The Mk1 cam has .450 lift, the mk3 cam .410 (info from Paul Jameson's articl...
by Simon.Gardiner
Fri Oct 19, 2012 8:01 pm
Forum: Ariel Talk
Topic: Pushrods for Singles
Replies: 23
Views: 4126

Vincent - you got 4 baguettes with that packet as well ? :-)

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