This is the only video I've ever found showing this rear isolastic procedure, engine in the frame. It appears to be a very rare but much needed procedure....
@brucebear1
5 жыл бұрын
I need to do that upgrade on all three of the Isolastics on my Commando (I have the Norvil racing head steady that puts a miniature tube and rubber system atop the cylinder head). I've been amazed at how little I have had to adjust the shims over the years but at my age, it's time I go to the verniers. Bought my bike (third Commando I'd owned) in 1972 - at the worst of the Combat engine problems. Lost the main bearings at about 7500 miles so I put a new 850 engine in it in '74. Owned it since. Somebody can probably buy it --- if they make my widow a good offer.
@michellejansen38
2 жыл бұрын
Thanks for your trouble. I showed me that the longer threaded part of my MK 3 upgrade isolastic goes on the left-hand side where the adjustment is done. The ride hand has a shorter thread and then a longer smooth bit which the lock screw screws onto to lock it. I hope that is right!.
@bananabrooks3836
2 жыл бұрын
It may be 5 years ago but this procedure and filming look dodgy and yet no comments on forcing in with screwdriver, lack of clear instructive narration, camera shying away from crucial or controversial moments, how is the engine swingarm forced to accommodate movements?, final adjustments? All evidence for me to doubt in integrity, sad to say.
@lanceditty7300
2 жыл бұрын
Looks like it's a wee bit difficult, but do able. I will be doing this job on my 70 commando S.
@charleskuss8538
3 жыл бұрын
You should have mentioned that you are upgrading the Isolastics to the newer, easier to adjust units used on the 1975-77 Mk III 850s. That's certainly a worthwhile upgrade. Thanks for training the camera onto the rubber lubricant you used. What did you have to disconnect to drop the gearbox cradle down?
@ChrisH930S
4 жыл бұрын
I also have a hirider;)
@ChrisH930S
4 жыл бұрын
Doing all three during the lockdown
@david07JAG
3 жыл бұрын
Hi can this job bedonewithprimary drive case in place. Dave
@TornadoCAN99
Жыл бұрын
@@david07JAG Not unless you find a different way to position the engine/cradle. The way in the video has cradle lowered down and rearward from the isolastic through stud frame hole so the isolastic cradle tube is clear of those frame mount points. If engine could be rotated forward (releasing from mounts?) enough to also clear the mounting points, without need to drop it so low, then yes, maybe possible with primary case installed. But removing primary is not a huge effort, just some time and evey Norton owner should already have the needed tools (clutch compressor; crank sprocket puller are the most needed).
@Cobra427Veight
2 жыл бұрын
I wonder if machining up a taper sleeve would help this slide in , dishwashing lube should be the best . Maybe a job for the KY! 🤣🤣
@brucebear1
Жыл бұрын
Some dishwashing detergents can dry out rubber; of course, it's not nearly as bad as petroleum based oil or grease, but P-80 and similar special rubber-friendly lubes are the best choice.
@JR-bj3uf
Жыл бұрын
That's what I was thinking. Maybe a cone shaped taper with a slight lip to center it on the bore?
@Cobra427Veight
Жыл бұрын
I did mine the other day its not that hard, no special tool I actually used silicon lube because I didn't want water inside that hole . Cheers .
@TornadoCAN99
Жыл бұрын
@@Cobra427Veight Wanna come over to my place (Vancouver BC) and do mine next?
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