So we having Much luck with poly-urethane cush drive rubbers ?
 

Hey

I know this question has been asked over and over and over and over again I am asking because I`m killing these things like crazy and that`s even with the Mod done :smilies0330::rotf[1]::gsmile:

Hi
i have just put some poly-urethane cush drive rubbers in my bike (yesterday), from what i here they last at least 5 times longer. i could tell the difference in the rubber, it was a lot harder and just felt much more solid . have been talking to some people i know in the trade (i am in the trade clothing and parts) and they all say worth every penny and only �20 more than a standard set, so nothing to lose really in putting them in. i think its �60 a set and oem cost �38. hope this helps. thanks Ian

I've put a lot of thought into this myself.

After due consideration, I think I'll stick with the stock rubbers. I've spaced mine once at about 7000km, and believe I'll get about 40k out of them.

I think the driveline is designed to have rubbers that 'give' to absorb shock, and bearing in mind the fact that Tenere gearboxes, for whatever reason(s), are occasionally a bit fragile, I'll stick with oem until I'm convinced the poly ones are as effective.

Where poly has replaced rubber in engine mounts and car suspension components there is proof they can contribute to harshness and so on. Part of that proof is found in my own experiences.

It's equally true that the oem Yamaha driveline rubbers are under-specced, or we wouldn't have to space them up. However, once spaced (I've used rubber belting cut to shape), they seem to hang in there ok.

I'm inclined to agree with 66T on this...my cush drive mod seems to be lasting and likewise I don't want to be putting extra strain through the transmission with hard polyurethane replacement. Having skinned my knuckles fitting polyurethane bushes to to the sub-frames on my Mini Cooper I really regretted it....no give in them at all and a horrible harsh ride. With all that low down grunt you tend to 'torque ' the Tenere along, short shifting through the lower gears....something the standard cush rubber clearly can't handle which is where the mod comes in . Having said all of that the best help you can give your transmission is a well lubricated and perfectly adjusted chain, and change gear smoothly . Chain adjustment makes a huge difference to the way the Tenere rides and must affect the wear on the cush drive rubbers . Too tight and you can feel /sense that harshness coming through....too slack and it feels snatchy and unhappy get it just right and it's bliss!!. Steve

I would agree with you there Steve,finding that sweet spot with the chain adjustment is the way forward , once you have it just feels smooth and silky!..

100% right lads chain slack is the most important thing you can do, I check mine on all my bikes after every ride (normally 200 mile ride each ride out no less tan 100) and use worth dry chain lube after every ride. I also have a small laser chain liner tool you put on the sprocket to check it's 100 % straight, ( only �45) very handy. After reading your comments on the poly rubbers, will be interesting to see how they feel when I get out on it next week. Have a good weekend lads and ride safe.

which laser alignment tool do you use. I looked at one but thought finding the right fitting space on the sprocket would be a problem

But where can I buy them?

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Hi i use a Profi D-CAT CHAIN ALIGNMENT TOOL. i have had mine 5 years still on the same battery. you can buy them on ebay or just goggle them. do not buy the cheap ones, these should cost �50. i have just checked on ebay and they are still selling at �50 delivered. they come in a small blue bag so you can just put them in your tool box a they are fine. hope this helps. i always use mine after do the chain just to check its right. and 50% of the time the blocks on the bike are out by a turn or two. all the best

forgot to say get the one with the " laser chain alignment tool " wording in red the rest is blue. thats the best ones. there is a cheaper one on ebay all in blue do not get that one