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Post by tony1964 on May 1, 2018 10:43:38 GMT 1
When i tighten my back wheel up i get movement in my sprocket carrier, i don't mean clockwise and anti clockwise, there is rocking movement in it, the wheel and sprocket carrier bearings are good I've also fitted new genuine cush rubbers, spacers seem fine, is the sprocket hub meant to be a tight fit to the cush rubbers or should it just drop in.
Any ideas??
Tony
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Post by JonW on May 1, 2018 13:14:48 GMT 1
these new rubbers... OEM?
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Post by muttsnuts on May 1, 2018 13:19:19 GMT 1
the carrier should be tight into the rubbers, should need a decent amount of force to get it in and ideally some rubber grease
you got the bearing spacer in the carrier bearing ?
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Post by tony1964 on May 1, 2018 15:35:43 GMT 1
jonw: Got the rubbers from Fowlers 29L2536400 muttsnuts: no force needed at all and yes the bearing spacer is in the carrier bearing  PICT2702 by Anthony Baker, on Flickr  PICT2703 by Anthony Baker, on Flickr The number on the carrier is 29L00 Tony |
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Post by shaunthe2nd on May 1, 2018 16:36:55 GMT 1
What bike is it for?
29L is the normal code for the Japanese RZ250R circa 1983.
Parts could be used on other bikes i assume.
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Post by tony1964 on May 1, 2018 17:01:16 GMT 1
What bike is it for? 29L is the normal code for the Japanese RZ250R circa 1983. Parts could be used on other bikes i assume. 350 YPVS LC2 |
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Post by shaunthe2nd on May 1, 2018 17:19:09 GMT 1
I guess thats a 31K then, but look at the parts fiche on Xaviers site it does look like the damper is 29L-25364-00 and comes in 3 parts
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Post by tony1964 on May 1, 2018 17:44:16 GMT 1
I guess thats a 31K then, but look at the parts fiche on Xaviers site it does look like the damper is 29L-25364-00 and comes in 3 parts Yes it is shaun, i even double checked to make sure the dampers they sent me have the correct part number on the packaging and it does..  |
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Post by bare on May 1, 2018 21:19:13 GMT 1
Quick Bodge "fix" is to wrap the 3 triangular prongs with a few winds of Decent quality Ali HVAC tape.
Until the sprocket carrier needs some force to seat.
Not nearly as much of a bodge as it reads. Likely Live for decades.
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Post by JonW on May 1, 2018 22:57:29 GMT 1
I asked as the rubbers are now reported to be NLA, and I worried youd bought some PGM ones which will be shit, like the rest of their stuff.
29L is the right code for an LC2, remember Yam starts the parts code for parts with the bike it originates on, ie the ypvs first model as the 250 version, 29L.
As Muttsy says, with brand new rubbers this should be a tight squeeze really. I dont see any wear or damage so ive no idea why this isnt right from the pics.
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Post by tony1964 on May 2, 2018 9:17:55 GMT 1
Bare: I'll give that ago.
jonw: That's why i got original rubbers as I've read that some pattern ones are shit, the hub doesn't even sit up against the rubbers, it's as if the hub spacer is to long, which is highly unlikely, unless someones had a new one made and it's the wrong length, I've checked to see if the bearings are seated properly and they are, bit of a head scratcher.
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Post by oldbritguy on May 2, 2018 9:31:19 GMT 1
Hi Tony. The cush drive rubbers might be a bit of a distraction here. Did you notice any play in the set up before you replaced them?
A suggestion might be to take the rubbers out and put everything together and measure up between bearings and spacers etc. Also assemble the whole thing on the swingarm and tighten up as normal without the rubbers. You will be able to see any play anywhere in the set up as it sounds like possible between the cush drive inside spacer, bearing and outside spindle spacer. As the cush drive is supported on a single bearing the lateral movement might be from there.
Just my own thoughts without seeing the bike.
John
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Post by tony1964 on May 2, 2018 11:08:04 GMT 1
Hi Tony. The cush drive rubbers might be a bit of a distraction here. Did you notice any play in the set up before you replaced them? A suggestion might be to take the rubbers out and put everything together and measure up between bearings and spacers etc. Also assemble the whole thing on the swingarm and tighten up as normal without the rubbers. You will be able to see any play anywhere in the set up as it sounds like possible between the cush drive inside spacer, bearing and outside spindle spacer. As the cush drive is supported on a single bearing the lateral movement might be from there. Just my own thoughts without seeing the bike. John Hi John, The old cush drive rubbers were packed out with bits of rubber, that's why i replaced then, thought they must be shot, to be honest i hadn't previously checked for any play. I will remove the rubbers at the weekend and tighten it back up as normal and see what i can find, the bearing in the cush drive is new and the spacer seems to fit snugly into it, the outside spindle spacer has a groove worn in it by the seal but apart from that it looks ok, not sure what the correct thickness of the spacer is meant to be though. Tony |
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