Laydown mainshaft

hello now my Norton Dominator model 88 built april of that year as the laydown box  and if you cannot get any lift on your clatch  there is a ball in between the mushroom lifter and the rod and you can adjust the arm by slacking off the nut on the arm  and set it up as far as you can with the worm as far in as you can then nip the nut up and try that you may have do this more then once to get the right adjustment  and have the adjuster on the clutch cable as slack as you can  is a bit of job to do,  but have fun and be patient   and take you time do not try rush the job , yours  anna j  

Dan....if you move the clutch outboard the primary chain will no longer align with the engine sprocket. This is not a complete disaster as there are 3 variations of sprocket for the Singles with 3 different chain wheel positions for you to choose from.

I had a similar problem to yours on my Jack Moore Norton Twin special. To solve this, a thick spacing shim was placed behind the clutch to move it outboard. I then had a special engine sprocket machined to help get the chain alignment back.

The photo shows the damage being done to the inner chaincase with the original set-up.

hello now after seeing your snippet photo you have a real problem as far as I can see the whole thing is not inline the clatch should not be any were near the swingarm  and the spider has a set of rubber in the centre of the clutch  and you need the tools to remove them, witch, I have, So I would have a look at the alinement first and see what amiss and maybe someone as fitted a shorter main shaft as there are different lengths of main shafts  lets hope you get this sorted  all the best anna j   

A change of shaft would be better. On my gearbox after moving the clutch body outboard I then found the thread for the nut minimal. Below lists shafts of different lengths.

Attachment and below may be of use.

NORTON LAY-DOWN MAINSHAFTS

Application  Part No.                          Stamp Mark

Twin Cylinder  D12/324                            GT 165

Single Cylinder  D E12/324, E12/324      GT 175

International                                             GT 185

Manx                                                        GT 191

hello  now for the crush  drives in the centre housing the spider there are 6 rubbers and you need special tools to fit them, witch, I have  and made by me  the NOC does not stock these  yours  anna j 

These alternative tools are easy to make and will work just as well. See attachment. Note two tang sizes for early and later clutches. You still some means of holding the spider. eg. old mainshaft in a vice or gearbox on the bike etc.

The last time I did my rubbers I  put the bike in top gear ,locked the brakes on and used my exhaust rose spanner to turn the clutch center.

Phil,
I had understood that the International (in featherbed frame) used the Singles mainshaft GT175, same as the pushrod single bikes.  Can you give data on the GT185 shaft lengths?

Hi Paul........my knowledge of what fits what in gearboxes is very limited.
Barry Stickland might be the person to call.
A good alternative is to look up the Dominator Service Notes in the links above.
There is a really good section on the various gearboxes and loads of information about respective part numbers. Nine different NOC members contributed to that Chapter and/or checked it out for accuracy.

,,,,in my gearbox archives.  Labeled Laydown Inter: