isolastic question - order of adjustment

I got the parts today to put all new parts (rubber/all metal parts) in the front oem '73 iso mounting. Is there a recommended order for installing or adjusting the front iso/head steady or does it matter at all? In other words, would it be best to put a jack under the engine, loosen the head steady completely (oem), jack the engine up/down until the holes in the front mount/frame precisely align, install the bolt/tighten the mount, then tighten the head steady in whatever position the engine has assumed? I don't see anything in the service manual or the Norton Owners service manual or a search here...maybe because it is of no consequence?

Just seems to me that it would be good to have the engine in as neutral a position as possible without one mount tending to push on the other one(s)

?

Parts book diagram shows the order of assembly. (around P. 26)

Workshop manual describes installation and set-up.
Section F-12 and on...

On a '71 750 job, I found that loosening the rear Iso nuts, removing the exhaust system and removing the top head steady and supporting the frame not the cradles was effective. I also found a chunk of timber between the front frame tubes as a "spreader" helped fit the front mount. That was a non-vernier so maybe a wee bit different.

Mick

To get the front iso off the bike, you will have to remove just one of the header pipes so you have room to pull the
main stud out. Also, yes, removing the head steady at the frame will allow the motor to move up and down more easily
in order to center the bolts. Use a silicon lube, won't deteriorate the rubbers, clean the inside of the cradle good,
lube the cradle and rubbers, everything should be easy to work on with the front, although putting it back on is "fiddly".

The rear can definitely be worked on without removing anything, it just takes longer with patience!

Thanks guys - pretty much what I was thinking.

I found this useful, it takes a bit of studying though.
\http://www.members.shaw.ca/randell/isolastics.html

Dave
69S

Nice article - I'll take his word for it on the math!

MexicoMike said:

Nice article - I'll take his word for it on the math!

Click to expand...

I wouldn't, he's Canadian. :wink: