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Model 18 top end

Submitted by paul_bennett on Wednesday, 8 March, 2023 - 11:33
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Singles

Hi everyone. Iam going to take the cylinder head off to decarbon and have a look  at it has its leaking oil on head gasket. Where it the best place to purchase a top end gasket set for 1948 model 18?

Also what are torque settings for the rocker box bolts and cylinder head ,

Regards Paul Bennett 

Submitted by nathan_stuch on Wednesday, 8 March, 2023 - 15:23

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Paul,

“RacingNorton.co.uk”. Will have everything you need for the top end of your Norton. The owner is very knowledgeable and honest with years of experience. 
 

Good luck.

 

Nate. 

Submitted by paul_bennett on Thursday, 9 March, 2023 - 06:50

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Hi Nate,yes the link works, but it's the same manual that I've got,

And it doesn't give any torque Settings. 

Cheers 

Submitted by tim_harrison on Thursday, 9 March, 2023 - 09:09

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Have you looked at NOC Spares, click on shop then spares. I had a quick scan and the Club may have one.

Submitted by david_cooper on Thursday, 9 March, 2023 - 09:58

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There are no published Norton Singles torque settings. Tighten firmly with the correct length of spanner.  The problem with socket sets (new things...just like torque wrenches..probably from America...never catch on...)  is that all sockets are driven by the same length of handle.

If you search previous posts here, someone quotes 32 lb.ft.  I've no idea if that's correct.  Sounds about right...!

 



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