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Norton Jubilee 250 #770180
04/05/19 10:04 am
04/05/19 10:04 am
Joined: Apr 2019
Posts: 3
England
D
Drivetrain_ADS Offline OP
BritBike Forum member
Drivetrain_ADS  Offline OP
BritBike Forum member
D

Joined: Apr 2019
Posts: 3
England
Hi,

Recently picked up two Norton jubilee 250s from my grandad's shed. They used to be my uncles and need complete rebuilds. I've done engine swaps and worked on bikes for a while, but i'm finding I'm having a few issues with these old bikes.

1- the manual is shocking. compared to a modern haynes manual that goes through each step, the one I was recommended has like one exploded diagram of the gearbox and then some notes on how to do it, same with the motor, clutch etc

Problem is, most of the parts are in boxes, unlabeled, and trying to decipher whats what is half the battle, then working out how it fits together, what goes in first etc etc etc.

The other big issues is where I'm going to get spare parts, seals, bearings etc etc

I'm aware these are the 'shiteweight' Nortons, probably the least desirable British bike ever made, but i still want to go through and rebuild them because they're my uncles.

If you can advise me please do.

Adam

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Re: Norton Jubilee 250 [Re: Drivetrain_ADS] #770186
04/05/19 11:09 am
04/05/19 11:09 am
Joined: Aug 2001
Posts: 7,840
scotland
triton thrasher Online content
BritBike Forum member
triton thrasher  Online Content
BritBike Forum member

Joined: Aug 2001
Posts: 7,840
scotland
Is this the manual you’re using? http://www.classicbike.biz/Norton/Repair/1960s/NortonRepair1960-1968.pdf

I wouldn’t say it’s worse than Haynes.

The 250 ignition timing must be 32 degrees, not 30 degrees.

The exploded diagram of the late gearbox shows a top hat piece reversed. See pages 44 and 33.


Amateur Loctite enthusiast.
Re: Norton Jubilee 250 [Re: Drivetrain_ADS] #770205
04/05/19 2:48 pm
04/05/19 2:48 pm
Joined: May 2013
Posts: 5,560
West Yorkshire
Allan Gill Online happy

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Allan Gill  Online Happy

BritBike Forum member

Joined: May 2013
Posts: 5,560
West Yorkshire
Do you have any photos Adam? I always had a liking for the lightweight 250 and 350 twins although never owened one.


beerchug

Moderated by  Richrd 

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