Changed the tensioner on the zxr recently and I thought I'd post.
It was quite an easy job and I'm sure it saved me a few bucks too.
It really quietened it down.Hope this helps others...Cheers...G..
Get the tank and the airbox off..

- airbox off.jpg (46.21 KiB) Viewed 921 times
It's on the right hand side of your engine..

- there it is...jpg (31.2 KiB) Viewed 921 times
You'll need a 1/4 inch drive 10mm socket with a universal attachment

- 10mm socket with uni.jpg (37.05 KiB) Viewed 921 times
Undo the top and bottom bolts.Note; Carbs not removed..But it will make the job easier if you do..

- top bolt.jpg (33.98 KiB) Viewed 921 times

- bottom bolt.jpg (33.8 KiB) Viewed 921 times
And now just ease it out... At this stage of the job DO NOT crank over your engine you will cause major damage when it fires up

- out it comes.jpg (31.59 KiB) Viewed 921 times
Put the new one in,not forgetting to put the O ring on..

- New one in without spring.jpg (32.65 KiB) Viewed 921 times
Then put the tension spring in and tighten the bolt up ..not to tight or it will strip the thread out.
Then thats pretty much it..

- done.jpg (33.87 KiB) Viewed 921 times
It really was much quieter when the new one was installed,and it only took me a few hours to do..