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by volker.halbach
Thu Jun 18, 2020 1:19 pm
Forum: Four stroke
Topic: NGK, Carbon and my W/NG
Replies: 9
Views: 270

Re: NGK, Carbon and my W/NG

I looked up older posts. Paul Jameson recommends a Bosch W8BC, which has a projected electrode. It's also hotter than the standard plugs, which makes sense for a projected electrode. Generally, do people run plugs with projected electrodes in singles? There are still plenty of old KLGs and Lodges, w...
by volker.halbach
Fri May 22, 2020 12:00 pm
Forum: Four stroke
Topic: clutch basket and clutch springs
Replies: 4
Views: 190

Re: clutch basket and clutch springs

Thanks for the advice, Will. I have seen the routing of the clutch cable down the headstock on other bikes. So I'll try that.
by volker.halbach
Thu May 21, 2020 8:12 pm
Forum: Four stroke
Topic: clutch basket and clutch springs
Replies: 4
Views: 190

Re: clutch basket and clutch springs

Dear Will, Thanks a lot for the quick reply! This solves my questions. My hub is also a little more than 35.5mm, So it's a 3-plate hub and the outer works with it. My springs are wound from 2.1mm wire, so presumably the stiffer version for fabric plates. Does the club have clutch plates with cork in...
by volker.halbach
Thu May 21, 2020 6:13 pm
Forum: Four stroke
Topic: clutch basket and clutch springs
Replies: 4
Views: 190

clutch basket and clutch springs

I have an interesting mix of different clutch and gearbox parts in my NH. One surprise was when I found 3 friction plates, 2 thin fabric plates and 1 cork plate. Do I have a 2 plate clutch with an extra fabric plate squeezed in? How deep is the clutch basket on a 2 and a 3 plate clutch? I gather the...
by volker.halbach
Thu May 21, 2020 5:15 pm
Forum: Four stroke
Topic: single timing cover - engrave model letters
Replies: 6
Views: 374

Re: single timing cover - engrave model letters

It has been done before. But I have seen examples where one could tell from far away that the cover wasn't original, because the letters didn't have the right shape or the edges of the engravings were not as smooth as the originals. But VHA covers don't come up that often.
by volker.halbach
Sun May 17, 2020 12:45 pm
Forum: Ariel Talk
Topic: oil cap , what year ?
Replies: 21
Views: 912

Re: oil cap , what year ?

Hi Bruce, These are exactly the oils that are recommended in the 1937 owners' guide for singles. There is no mention of other oils for cold conditions. I have never started my engine in *really* cold conditions around freezing temperatures, but I find it's already harder to start the engine with SAE...
by volker.halbach
Sun May 10, 2020 5:14 pm
Forum: Ariel Talk
Topic: oil cap , what year ?
Replies: 21
Views: 912

Re: oil cap , what year ?

The "E" in "WINTER", but the "R" is also incomplete.
by volker.halbach
Sun May 10, 2020 5:04 pm
Forum: Ariel Talk
Topic: oil cap , what year ?
Replies: 21
Views: 912

Re: oil cap , what year ?

Finally, I followed the advice on my cap and checked what "grade of oil" I should use. The 1937 handbook for singles mentions no winter oil at all, only Castrol XXL and other brands. Caps with recommendations for winter oil may be later or belong to other models.
by volker.halbach
Sun May 10, 2020 12:56 pm
Forum: Ariel Talk
Topic: oil cap , what year ?
Replies: 21
Views: 912

Re: oil cap , what year ?

This is the cap on my 1937 NH, which has the same shape, but doesn't mention Castrol XL and XXL:
oilcap.jpg
oilcap.jpg (83.79 KiB) Viewed 365 times


I am pretty sure it's original.
by volker.halbach
Wed Apr 29, 2020 11:28 am
Forum: Four stroke
Topic: LF 250 - 1930 - carburetor settings
Replies: 4
Views: 457

Re: LF 250 - 1930 - carburetor settings

Somebody recently (this February) uploaded the 1930 250cc Single Owners' Guide to the document repository. The guides contain the carb settings.

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