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by john.whiting
Sun Sep 04, 2011 10:31 am
Forum: Four stroke
Topic: Help needed on '49 500VH rebuild
Replies: 6
Views: 1195

Scott, things like the installed height and seat pressure are for jap bikes, all this will vary wildly depending how pocketed your valve seats are and the length of your valves. The thing you need to check is the state of your cam and lifters,considerable wear is not uncommon.Good replacements are a...
by john.whiting
Sun Sep 04, 2011 10:09 am
Forum: Four stroke
Topic: Kickstart stop peg - BA gearbox
Replies: 10
Views: 2287

I have never seen one broken before, it probably takes sixty years.Drive the remains out from the outside of the inner case[ as there is a step ] towards the interior of the case.I wouldnt worry about it breaking again, but put the rubber on ,if its available. Getting the kickstart spring to behave ...
by john.whiting
Sat Sep 03, 2011 11:23 am
Forum: Four stroke
Topic: Kickstart stop peg - BA gearbox
Replies: 10
Views: 2287

I ve just looked at the parts drawing[Ariel by C W Waller, 6th ed. p148. item no 8.] and it shows a rubber bush fitted to the peg. Ive never seen this bush but it probably absorbed some of the shock if the lever was allowed to return freely under spring pressure. Ive seen Norton gearboxes with the k...
by john.whiting
Sat Sep 03, 2011 10:22 am
Forum: Four stroke
Topic: Kickstart stop peg - BA gearbox
Replies: 10
Views: 2287

For those looking on, the trick is to remove the gearlever, then push on the change mech, so that it stays with the inner case. Then you wont need xray vision to see if the foot change quadrant is correctly meshed with the timing mark on the cam shaft, as you replace the cover. The stop peg fits in ...
by john.whiting
Fri Sep 02, 2011 12:56 pm
Forum: Four stroke
Topic: Which pistons are available for my ariel
Replies: 137
Views: 30392

I finally got around to checking out Harley piston prices. XLH 3 3/16 std to 60 over. US$ 115 with rings and pin. [thats for a pair]. Big end kit about $350[includes two new conrods.]Check out the V-Twin Mfg site. Would you want to buy a kit to build a replica 1947 Ariel?You can buy one for a 47 knu...
by john.whiting
Fri Aug 05, 2011 1:02 pm
Forum: Ariel Talk
Topic: Wash Carefully
Replies: 6
Views: 1502

I hope you havent filled your gearbox up with water.Hard to get out if its pre 52.The gear box doesnt get hot enough to evaporate water, and will rust up solid.John.
by john.whiting
Wed Jul 27, 2011 1:15 pm
Forum: Four stroke
Topic: Which pistons are available for my ariel
Replies: 137
Views: 30392

Just a suggestion, but HD Sportster XLH pistons might be worth a look. I was given a couple of new std ones the other day,they are 81mm std , deck height is close to same, pin bore is 20mm ,Ariel 20.64,sleeves are available,all at very reasonable prices [I am notoriously tight.]The ones I have are v...
by john.whiting
Sun Jul 24, 2011 1:39 pm
Forum: For sale/wanted - Parts
Topic: WANTED : Jet Block for 289 Amal
Replies: 1
Views: 654

Dave ,nobody makes replica 289 stuff. I see lots of this stuff on ebay, but the way prices are rising, looks like all the speculators are bailing out of the stockmarket and into old bike parts. John.
by john.whiting
Sun Jul 24, 2011 1:31 pm
Forum: For sale/wanted - Parts
Topic: WANTED : Rear hub - fixed type for rigid frame
Replies: 2
Views: 717

Keith, theres one on aus ebay now. John.
by john.whiting
Sun Jul 24, 2011 1:24 pm
Forum: Four stroke
Topic: 1957 VH - Piston Slap, new piston & rebore?
Replies: 14
Views: 5255

Carl, the piston looks like it was new,maybe it needed a bit more running in.Anyway, as members advise, hone the bore to remove any adhering alloy or roughened iron, and file the rough area of the piston with a fine file, not abrasive paper which will embed in the piston and cause further damage to ...

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