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by nevhunter
Fri May 27, 2011 4:08 am
Forum: Four stroke
Topic: FH 650 oil not returning to tank
Replies: 3
Views: 1791

Maybe there is no (or little )oil getting INTO the engine. Tip a 1/4 pint into a rockerbox and see if that alters things as far as the scavenge system is concerned. Don't like the idea of running the engine for long with this question hanging over it as the plain bearings won't like being starved of...
by nevhunter
Thu May 26, 2011 1:05 pm
Forum: Four stroke
Topic: Ariel 500cc Twin balance factor.
Replies: 3
Views: 1640

Re: Ariel 500cc Twin balance factor.

Thanks Lyder. Short of time at the moment. Good stuff there and I will get back to you whenI have enough time to do justice to the subject Nev
by nevhunter
Thu May 26, 2011 1:39 am
Forum: Four stroke
Topic: Ariel 500cc Twin balance factor.
Replies: 3
Views: 1640

Still looking for this information. There must be chaps with these highly sought after masterpieces who are game to admit to owning one. ( just joking) I don't want to put it back together without getting some of the vibes out of it.. It's an original bike and hasn't done a lot of work, so it's wort...
by nevhunter
Thu May 26, 2011 1:31 am
Forum: Two stroke
Topic: ARIEL LEADER ENGINE PROBLEM
Replies: 24
Views: 18499

It does sound like the coil is breaking down. I've had symptoms like that before, and in every case it was the magneto coil. The smoke from the exhausts after a while may only be the accumulated residue of old oil/carbon in the muffler getting heated. Nev
by nevhunter
Thu May 26, 2011 1:07 am
Forum: Four stroke
Topic: Big end bearing
Replies: 23
Views: 8316

Another problem you can encounter is the unlipped roller outer rings can come loose (when the motor is very hot), or if the cases have lost some of the interference fit. The steel ring will come out till it hits the flywheel. This can't happen with balls or a lipped roller. Nev
by nevhunter
Wed May 25, 2011 4:36 am
Forum: Four stroke
Topic: VH Magneto
Replies: 3
Views: 1530

Phone 03 9602 1229, David Beenam.. (within Australia). Nev
by nevhunter
Wed May 25, 2011 4:30 am
Forum: Four stroke
Topic: Identification of Cam shafts and followers
Replies: 14
Views: 4632

Keith, oills are like religeon, but since you ask,I have been using Shell Sport 50, but it has gone out of prduction in Australia, although I bought up big and still have some for a while. It was the first time that I couldn't see small bits of metal in the oil (from the camshaft). I have used Aeros...
by nevhunter
Wed May 25, 2011 4:18 am
Forum: Four stroke
Topic: Big end bearing
Replies: 23
Views: 8316

Re: Big end bearing

All singles except the VH run Ball bearings on the mains. Unless you are going to use it hard you can replace the roller bearings with ball bearings ( Much cheaper) Most of us would never wear these things out in a lifetime of rallying. The VH only puts out about 25 HP in standard trim so the balls ...
by nevhunter
Tue May 24, 2011 1:08 pm
Forum: Four stroke
Topic: Big end bearing
Replies: 23
Views: 8316

To be honest, Pete, I have not pulled one apart,( separated the wheels), but they are Iron cast wheels and I know of several which have failed, one of which was a VCH (late model) 1953. I assumed since they were cast iron, they would NOT be a parallel press fit. I am referring to the 54 0n models. W...
by nevhunter
Tue May 24, 2011 12:56 pm
Forum: Four stroke
Topic: VH Magneto
Replies: 3
Views: 1530

Think modak in Elizabeth St, Melbourne, would have those, James. Nev

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