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by Pete.Silson
Sat Dec 08, 2018 7:05 pm
Forum: Four stroke
Topic: Spare brake lever spring.
Replies: 2
Views: 265

Re: Spare brake lever spring.

The left hand one is from a spring frame rear brake. It's the other way round since the brake rod runs above the rear axle and therefore the brake operating arm points upwards rather than downward as it does on a rigid.

Pete
by Pete.Silson
Fri Nov 23, 2018 4:40 pm
Forum: Four stroke
Topic: Mudguard Bracket 5600-39
Replies: 1
Views: 195

Mudguard Bracket 5600-39

stays 1a.jpg I am trying to identify bits and pieces that I need to get/make for a 1939 Anstey framed 4G. I've got the three main stays (5590, 5591, 5597) for the rear mudguard but I don't really understand the U-shaped mudguard to engine plate bracket (5600-39) shown in the parts list. I ordered o...
by Pete.Silson
Wed Nov 14, 2018 5:34 pm
Forum: Four stroke
Topic: Square 4 wheel rim size.
Replies: 6
Views: 322

Re: Square 4 wheel rim size.

The original rear wheel on my 1946 tele/rigid SQ4 is a WM3-18 with a 4-18 tyre. I'm sure this is an original factory-fitted wheel since I know the history of the machine. I replaced the tyre with a modern 4-18 which looks slightly smaller than the original probably because of the squarer cross-secti...
by Pete.Silson
Sun Nov 11, 2018 4:36 pm
Forum: Four stroke
Topic: 28 Model B rear hub
Replies: 3
Views: 291

Re: 28 Model B rear hub

Markus

Is this any use to you?

https://www.ebay.de/itm/253974135256

Pete
by Pete.Silson
Fri Oct 19, 2018 4:13 pm
Forum: Four stroke
Topic: Rigid lower chain guard
Replies: 16
Views: 1070

Re: Rigid lower chain guard

This is on Ebay at the moment - looks sort of Ariel-like.

https://www.ebay.co.uk/itm/401615071919

Might be a starting point for making one?

Pete
by Pete.Silson
Fri Oct 19, 2018 10:51 am
Forum: Ariel Talk
Topic: 4G Rocker box breather?
Replies: 10
Views: 953

Re: 4G Rocker box breather?

Thank you all for your advice/comments. I suspect the issue may be a combination of a number of factors including a bit of blow-by from the old bores compounded by additional oil getting into the rockerbox from sloppy rockers. I don't think the follower guides are blocked since these were removed an...
by Pete.Silson
Tue Oct 16, 2018 12:44 pm
Forum: Ariel Talk
Topic: 4G Rocker box breather?
Replies: 10
Views: 953

Re: 4G Rocker box breather?

Paul I wonder if the blocked oil feed pipe might be a clue? Could this have been blocked for some time, perhaps, leading to high wear on the rockers and shafts to the extent that they now leak lots of oil? Running the engine with the rocker cover off might prove illuminating here. The rockers and sh...
by Pete.Silson
Sat Oct 13, 2018 11:05 am
Forum: Ariel Talk
Topic: 4G Rocker box breather?
Replies: 10
Views: 953

Re: 4G Rocker box breather?

Paul Just leave it alone. It allows steam out but very little in the way of oil follows the steam. You can always wipe the top of the rocker cover if you ever find it necessary. When I say a "mist of oil" from the breather I am talking about enough oil (after 20 miles or so) to be running ...
by Pete.Silson
Fri Oct 12, 2018 3:15 pm
Forum: Four stroke
Topic: BA gearbox question
Replies: 9
Views: 629

Re: BA gearbox question

selector.jpg

The selector forks in my 1939 4G BA (above) appear to be cast iron/steel. The rest of the box appears to be correct for gearbox but that doesn't guarantee the selectors are original. They don't appear to have any casting marks like the later bronze ones do.

Pete
by Pete.Silson
Thu Oct 11, 2018 7:19 pm
Forum: Ariel Talk
Topic: 4G Rocker box breather?
Replies: 10
Views: 953

4G Rocker box breather?

rocker cover.jpg Does hole in the centre of a 4G rocker box lid serve any purpose other than to keep the underside of the petrol tank free of rust? When the engine is warmed up I find that I get a steady mist of oil from the hole - enough to eventually get onto the cylinder head resulting in a smok...

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