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by robjameson
Sat Jan 06, 2018 6:37 pm
Forum: Four stroke
Topic: Sludge trap prevention oils?
Replies: 8
Views: 1139

Re: Sludge trap prevention oils?

Low detergent mineral oil. I use monograde on my single, but I see the sense in a multi grade in an engine running shells. My last lot I purchased from http://vintagebearings.co.uk/vintage-classic-oil/2528971 I was surprised at the low cost, and from what I am told, the oil should be of a slightly h...
by robjameson
Sat Dec 30, 2017 11:24 pm
Forum: Four stroke
Topic: 4G Timing Chain Removal etc
Replies: 8
Views: 924

Re: 4G Timing Chain Removal etc

My guess would be to put a two pence piece in the teeth of the coupling gears.
by robjameson
Mon Dec 11, 2017 10:22 pm
Forum: Ariel Talk
Topic: Stainless Steel Bolts
Replies: 9
Views: 976

Re: Stainless Steel Bolts

I think it very much depends on the application. Certain bolts/nuts/studs would benefit from thread locking agents, others from copper grease, and some from nothing at all. Generally speaking you would reduce the torque when using any type of lubricant on the threads. Copper grease is particularly h...
by robjameson
Mon Dec 11, 2017 10:12 pm
Forum: Ariel Talk
Topic: Correct Petrol Tap for 1950 Ariel Single
Replies: 4
Views: 539

Re: Correct Petrol Tap for 1950 Ariel Single

I love the advice on how you find out your reserve range! Ride until you run out of fuel - it’s that far!
by robjameson
Sun Nov 12, 2017 12:51 am
Forum: Ariel Talk
Topic: Oblong Eight.
Replies: 9
Views: 1247

Re: Oblong Eight.

I expect that would corner like a broken shopping trolley
by robjameson
Thu Oct 26, 2017 10:02 pm
Forum: Four stroke
Topic: Singles timing chain
Replies: 16
Views: 2466

Re: Singles timing chain

The 3/16 seems to clear everything, but you have to be careful with magneto alignment, otherwise it grinds away the inner case. It’s an endless chain. My experience is that timing chains on 200+ horsepower super bikes are endless, so they may be a better option (but a bit more of a pain in the arse ...
by robjameson
Wed Oct 25, 2017 10:16 pm
Forum: Main Chat Forum
Topic: Oil tank wick
Replies: 16
Views: 1700

Re: Oil tank wick

I think roll up filters will be too small, if I get chance I’ll measure my (original) wick and let you know.
by robjameson
Wed Oct 25, 2017 10:15 pm
Forum: Four stroke
Topic: Amal Jets
Replies: 4
Views: 522

Re: Amal Jets

A wood screw and a multi tool is a bit fancy for a corkscrew. I usually go for a piece of string!
by robjameson
Sun Oct 15, 2017 6:47 pm
Forum: Four stroke
Topic: Singles timing chain
Replies: 16
Views: 2466

Re: Singles timing chain

A quick update: I was sufficiently worried about using two split links on the chain supplied to me by my local supplier, so I decided to buy another one from sprockets unlimited at the Stafford show today. He recommended I try a 1/2x3/16 chain, which is something that some Scott owners have apparent...
by robjameson
Wed Sep 27, 2017 10:15 pm
Forum: Four stroke
Topic: Tapered roller bearing steering head
Replies: 5
Views: 842

Re: Tapered roller bearing steering head

Most modern solo bikes, including those with features such as wheelie control (which causes stress to head bearings), run standard ball and race bearings, so I'm inclined to think they are fine. The issue Steve refers to will largely be negated on a combination because you have to turn the steering ...

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