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by Pete.Silson
Sat Feb 08, 2020 5:01 pm
Forum: Main Chat Forum
Topic: Burman gear box
Replies: 6
Views: 632

Re: Burman gear box

21.8 mm is right for the diameter and 270 mm is about right for a SQ4 mainshaft length so it looks like you have been sent the wrong shaft from Drags.
by Pete.Silson
Sat Feb 08, 2020 12:52 pm
Forum: Main Chat Forum
Topic: Burman gear box
Replies: 6
Views: 632

Re: Burman gear box

William, Your original number GB3956 was from a 1956 NH350 - presumably someone overstamped it when they converted it for SQ4 use. Burman GB mainshaft FWHa.jpg The different mainshafts can be identified from the length between the 3rd gear splines and the clutch-centre splines. The photo above shows...
by Pete.Silson
Sun Jan 12, 2020 10:41 am
Forum: For sale/wanted - Parts
Topic: CP mid cover
Replies: 23
Views: 1889

Re: CP mid cover

Wade, Sorry I can't help with a recommendation for someone to do a rebuild for you - I do my own gearboxes. Personally I wouldn't weld the broken top adjuster lug with the internals inside since the case will get quite hot in the welding process. Also, looking at the pictures in the advert, someone ...
by Pete.Silson
Thu Jan 09, 2020 10:35 am
Forum: For sale/wanted - Parts
Topic: CP mid cover
Replies: 23
Views: 1889

Re: CP mid cover

Wade,

The picture of the 1946 box is not one of mine but one I happened across on Ebay. It is still a current Ebay listing (#323991665609) but appears to have damage to the top lug. I also suspect that the shipping to Canada would be prohibitively expensive for a complete gearbox.

Pete
by Pete.Silson
Mon Jan 06, 2020 10:42 am
Forum: For sale/wanted - Parts
Topic: CP mid cover
Replies: 23
Views: 1889

Re: CP mid cover

Wade, I think the number on your 1946 CP box should be stamped on the main casing not the mid cover (as per first picture). 1946 CP Gearbox.jpg Later CP boxes were stamped on the middle cover as per my 1949 NH (picture 2) 1949 CP Gearbox.jpg The numbering in the first picture is for October 1946 i.e...
by Pete.Silson
Sun Dec 15, 2019 7:30 pm
Forum: Four stroke
Topic: Oil Gauge pipe threads
Replies: 7
Views: 574

Re: Oil Gauge pipe threads

Thanks Alan -That looks like exactly what I need - Pete
by Pete.Silson
Sun Dec 15, 2019 1:30 pm
Forum: Four stroke
Topic: Oil Gauge pipe threads
Replies: 7
Views: 574

Re: Oil Gauge pipe threads

26tpi would make it 1/4 BSF - Any idea where I can buy the male fitting to go into it?

Pete
by Pete.Silson
Sun Dec 15, 2019 11:09 am
Forum: Four stroke
Topic: Oil Gauge pipe threads
Replies: 7
Views: 574

Oil Gauge pipe threads

Can anybody tell me what thread is on the oil gauge feed pipe nut (see picture). My rocker feed pipe came soldered shut and I want to rethread it so I can get the oil gauge in the panel working. 5174-38.jpg I am also thinking of replacing the solid pipe used in 5174-38 (above) with a flexible pipe. ...
by Pete.Silson
Mon Dec 02, 2019 1:32 pm
Forum: Four stroke
Topic: Replica long twistgrips
Replies: 9
Views: 871

Re: Replica long twistgrips

Thanks Alan

I'll give up my search then. Replica 6" rubber grips do seem to be readily available so I might have a go at lengthening a standard twistgrip like you did.

Pete
by Pete.Silson
Mon Dec 02, 2019 11:34 am
Forum: Four stroke
Topic: Replica long twistgrips
Replies: 9
Views: 871

Replica long twistgrips

Does anybody know where I can get a decent replica long twistgrip (to go with 6" John Bull No 16 rubbers)?
long twistgrip.JPG

Pete

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