Skip to main content
English French German Italian Spanish

Light Twins

Description

A technical forum for Jubilee, Navigator and Electra

Navigator connecting rods

Forums

My Navigator conrods have been bushed with bronze to compensate for worn gudgeon pins.  I've rebored the cylinders and fitting JP pistons.  The pins are too tight for the bushed rods so I have decided to re-bush (with aluminium) to suit the new pi

Electra temptation!

Forums

Hi all, it's been a while since I posted on this forum but my Navigator rebuild has stalled as I try to solve a gearbox layshaft bush / mainshaft bearing alignment problem which doesn't mean disassembling the engine again.....but I digress!   As i

Headlight

Forums

What is the correct diameter for a headlamp for a jubilee. My headlamp shell measures 6” diameter, but the replacement reflectors on offer seem to be 61/2 or 7 inch. Any advice would be welcome. 

Oil return

Forums

I have read somewhere that a modification was made to the return fitting in the oil tank during production of the lightweights, a restrictor to encourage oil up to the cylinder?  It carried over to the heavyweights, or the other way around?

Engine and frame numbers

Forums

Hi everyone can someone please tell me where to find the engine and frame numbers on my 1964 Norton navigator 

Thanks Mike 

Jubilee pistons

Forums

Ive recently removed the pistons from a 1960 engine. the only visable mark on the crown is a letter B. No markings to say they are a plus oversized. Anyone know what the letter B is. There is a very slight concave in the crown, is this normal.

Oil breather

Forums

Now that I have got my Jubilee engine reliably kicking over, I noticed that the pipe above the drive sprocket (see picture) is producing oil (which is now all over the patio).

oil leak from gear box gear lever inner shaft

Forums

I am having a problem with oil leaking from the o rings on the inner shaft of the gear lever selector

shaft, I have changed the o rings twice it last about 20 miles then it leaks again any one got any ideas. Kind Regards Duncan.

 



© 2024 Norton Owners Club Website by 2Toucans