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Posted by Tfrank59
 - January 28, 2018, 00:31:15 AM

Yeah my Triumph Bonneville had it too I think the only motorcycles maybe that don't have dampeners would be little dirt bikes or something. I have a 175 Yamaha that doesn't have dampeners. It's very hard on the tranny counter shaft if there's no cushion in the final drive.

Posted by CDNRatMan
 - January 27, 2018, 22:46:57 PM

 good to know as I only have a pair of Drifter I do not want to say what does or does not have them......

Posted by Tfrank59
 - January 27, 2018, 20:50:30 PM

Well my other bike which is a 1500 Honda shaft drive has dampeners pretty much all motorcycles have them

Posted by CDNRatMan
 - January 27, 2018, 19:55:51 PM

   Sorry Pilgrim never looked about the 1500, but Troll or GreenBarn can tell you if they have them. But like I said for the cost, and your already in this far worth the extra few bucks to buy new ones......purpose is to dampen the transition of power from the chain or drive shaft to the rear hub ............

Posted by Pilgrim
 - January 27, 2018, 17:39:19 PM

Thanks, getting ready to pull my rear wheel to lube drive shaft and swing arm. I will inspect them. Looks like one set for 1500 and 4 each for 800.

Posted by Vulcanpunch
 - January 27, 2018, 17:25:33 PM
Quote from: Pilgrim on January 27, 2018, 16:59:30 PM

Never seen them before..what are their purpose? Are they on the 1500?

Yes the 1500 has them also, https://www.partzilla.com/catalog/kawasaki/motorcycle/2000/vulcan-1500-drifter-vn1500-j2/rear-wheel-chain part number 92075 at $74. I'm not sure if that is just one assembly.

Posted by Vulcanpunch
 - January 27, 2018, 17:06:50 PM
Posted by Pilgrim
 - January 27, 2018, 16:59:30 PM

Never seen them before..what are their purpose? Are they on the 1500?

Posted by CDNRatMan
 - January 27, 2018, 16:45:04 PM

    Hello, some of you actuaries will have something to say of my numbers but I did this my way and I understand it. I took the rubber damper from the rear hub and measured from  A to B and from C to D, I used digital calipers so we at least know the numbers are correct. Now I was told by a couple of kawasaki mechanics, if you lean the wheel over and the hub falls out the rubber needs to be replaced. The hub should have to be gently persuaded to go back into place. If you have torn your rear end to this level then spend the extra $50.00 to replace the rubber and then no more clunking or thunking noises from the hubs.......
Ok so here is my results and feel free to correct my numbers and if I made a mistake let me know. So I took the measurements from A to B and then C to D. then I just added them up and subtracted the sums to see if there was a difference and how much....
here are the results.......

A to B
New                                                           Old
39.20                                                       38.12
39.26                                                       38.14
39.26                                                       38.28
39.26                                                       38.09
39.30                                                       39.00
39.30                                                       38.08
39.30                                                       39.07
39.30                                                       37.91
-------                                                       -------
353.48                                                     306.65

C to D
New                                                            Old
35.60                                                         35.77
35.55                                                         35.48
35.67                                                         35.21
35.54                                                         35.43
35.17                                                         35.66
35.22                                                         35.18
35.81                                                         35.42
35.85                                                         35.52
--------                                                         --------
284.41                                                        283.67

then the results are like this between the A and B classes it is 46.83mm then between C and D is about 0.74mm.
You can also see in the extension in the second picture that thf ends had wear and gouges on them. So like I said if you are this far into the bike this should be done,46.83 mm might not seem large but you can still get movement and this can cause a lot of noise as I found out with Red. I wish I had done this with Red.......

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