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by Keith.owen
Thu Sep 10, 2020 3:53 pm
Forum: Four stroke
Topic: quill in timing cover - singles
Replies: 8
Views: 288

Re: quill in timing cover - singles

Hi Volker, I had problems because I did the cam oil level mod and got a bit overly zealous! I put the drain hole into the crank too high. On lowering it to the level in the pictures provided by David (see my response to the thread on cam oiling) , the problem seems to have been cured (although it co...
by Keith.owen
Thu Sep 10, 2020 2:51 pm
Forum: Four stroke
Topic: Modification of cam lubrification on Ariel 350cc and 500cc Singles
Replies: 3
Views: 195

Re: Modification of cam lubrification on Ariel 350cc and 500cc Singles

Hi,
David Anderson provided the attached (I think)
Single cylinder cam oil modification.docx
(233.88 KiB) Downloaded 46 times


I have done the mod. Just be careful not to put the new hole to high up or you'll end up with too much oil in the outer case.

Keith
by Keith.owen
Fri Sep 04, 2020 8:45 am
Forum: Ariel Talk
Topic: Update Gary's VB. Shiny bits are on!
Replies: 8
Views: 290

Re: Update Gary's VB. Shiny bits are on!

Gary,
She's coming along nicely!
Congratulations on a fine looking machine!
I suppose now we await photos of the maiden voyage.

Enjoy,
Keith
by Keith.owen
Thu Aug 27, 2020 8:56 am
Forum: Main Chat Forum
Topic: 1950 NH 350 twin port
Replies: 8
Views: 326

Re: 1950 NH 350 twin port

Hi, for what it is worth............... A 70 year old bike is just that. It is of its time when traffic was slower and there was less of it and a bike (even 350) would keep its own with most of the family cars. I would not want to ride my VH on a motorway. Modern HGVs can stop more quickly than it c...
by Keith.owen
Wed Aug 26, 2020 2:38 pm
Forum: Four stroke
Topic: 1950 NH 350 twin port
Replies: 7
Views: 333

Re: 1950 NH 350 twin port

Hi, It's a nice bike. My VH started life as an NH but by the time I got it, it had the VH tank and being 18 yrs old I wanted more umph. I'm not sure what the market value is. It is more a matter of how original it is (i.e. correct tin ware/ tank), its condition as a whole and if you like it enough! ...
by Keith.owen
Tue Aug 25, 2020 9:25 am
Forum: Main Chat Forum
Topic: moving house.
Replies: 15
Views: 684

Re: moving house.

David,
What more can I say other than keep well and persevere. I look forward to hearing from you again in the future and thank you for your valuable assistance in the past.

BR,
Keith Owen

PS. Your input on setting for the concentric has been taken on board and the bike runs a treat! :mrgreen:
by Keith.owen
Fri Aug 14, 2020 1:25 pm
Forum: Four stroke
Topic: oil level in timing case
Replies: 6
Views: 398

Re: oil level in timing case

Hi Volker, Sorry for not responding sooner, but I have been away for a few days visiting my granddaughter. I looked at the photo of the timing side casting on your pre-war machine and it occurred to me that it is subtly different to that on the post-war machines. I happen to have a pre-war example a...
by Keith.owen
Thu Aug 13, 2020 12:43 pm
Forum: Four stroke
Topic: Sticking exhaust valve?
Replies: 28
Views: 875

Re: Sticking exhaust valve?

Hi,
I am no expert here, but unless there is a blockage somewhere, 10 psi should be more than enough. The later singles got oil fed by a diversion from the return and given that sometimes all one gets are bubbles into the tank (and that with the old arrangement) the pressure must be minimal.

Keith
by Keith.owen
Thu Aug 06, 2020 9:05 am
Forum: Main Chat Forum
Topic: Daily Fixing and Riding Diary on an Ariel 2020
Replies: 307
Views: 21260

Re: Daily Fixing and Riding Diary on an Ariel 2020

That would have been a disaster!
Anyway, the bike is in bits whilst I undertake some small jobs (like touching up with paint where the powder coating came off).

I need to get a move on and get it finished......................It's already August!

Keith
by Keith.owen
Wed Aug 05, 2020 2:41 pm
Forum: Four stroke
Topic: Iron VH Pushrods
Replies: 2
Views: 188

Iron VH Pushrods

Hi, I have discovered that the push rods on my VH are slightly different lengths and the one I had fitted to the exhaust is over-length by about 1/4". This meant that when I adjusted the rocker the adjuster was almost entirely threaded into the arm. Not an ideal state of affairs although it sti...

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