OzVMX Forum
Marque Remarks => Yamaha => Topic started by: mboddy on August 09, 2008, 12:37:05 PM
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The old bump stop has crumbled. I got a replacement.
The spring is off and the preload lock nut loosened.
What do I do now?
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This looks like a job for a suspension shop. Where do you live ? One of our trained outlets can help you with that , if you wish
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if the bottom mount unscrews from the shaft then you need to do that. you will need some blocks the right size to clamp the shaft though and some heat will probably be also needed.
if the bottom mount doesnt unscrew then the only way is to pull the shock right apart
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??? hmmm interesting, where did you go to Suspension school Leith ?
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Well that’s how I’ve always done it. I don’t know if an IT shock is any different, but for twins I just unscrew the bottom eyelet holding the shaft in special shaft clamp blocks, slip on the bump stop and screw the eyelet/clevis mount back on. If I already have the shock apart with the piston off then I can slide the bump stop on from that end and the bottom eyelet does not have to be unscrewed. Pretty simple really.
if its an all sealed up/not rebuildable shock with non removeable bottom eyelet then thats another issue but can be done as you would know.
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stop press the new books out
(http://i54.photobucket.com/albums/g120/ibop/cleaning_windows_xp_for_dummies-1.jpg)
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hell, i just made a mould from a toilet roll core and some tape and filled it with silastic ,takes a while to cure , who wants to disassemble a good gassed up shock , does that get me into shock school ?
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You just passed the written test. :D Suspension is Fun :D Oral tests taken in the sportsbar only. :o
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who wants to disassemble a good gassed up shock?
Not me!
Looks like I'll slice the new bump stop with a razor blade and then superglue it back together when it is on the shock.
Thanks for your replies guys.
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You got that idea out of page 7 didnt you ? :D
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Actually the best shock fix ,I have seen so far by a specialist , was a TT 600 shock. The "doctor " fitteted a grease nipple to the reservoir and topped the leaking shock up with the grease gun . Well ,it did not leak anymore . :D ( Full details of that procedure on page 51)
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walter what other funny thing have you seen done to shocks
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Paul , if you go to page 8 you will read about the guy that sliced the bumprubber and used a hose clamp to join it again.... ??? But for now ,I wont give to much away , please come and buy the book .
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You are so right Paul , that actually should have gone straight after the introduction page where it explains the "Caution" stickers.
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Sorry Paul , we are talking about the bump stop chapter , not the bum stop chapter ( is there a chapter about that in the book ???)
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Mark, The shock will have to come apart, but on the bright side, its a great opportunity to clear out 30 years of crud, and re-fresh the oil (at the least).
The only tricky part is the adjuster, but even that's not that tricky once you know what's going on.
Talk to you tomorrow about it.
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hey , i just finished a beaut shock mod , added 60mm to a pair of 7610 koni,s ( used another pair to chop up
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Wow , could you send a pic to share ? 8)
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sorry walter , no camera ! but i gotta tell u they work a treat , do u have seals for them ? they came off a dump shop bike in a sad state , shafts are good but
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Getting a rubber stop off a car shock, splitting one side, at an angle, then superglueing back together works well as it sits inside the metal cup. If you want to fit the new one correctly then you have to pull the shock apart, hold it at the bottom, then unscrew the eyelet end. If you want to do it the quick way, clamp the shaft in a vice, I can hear the howls of horror already, where the bump stop is normally and put a large screwdriver through the eyelet and unscrew. They can be very stubborn and may turn in the vice so hit the screwdriver with a lump of wood. Any damage to the chrome will be covered by the new bump stop. Rough as guts I admit but I have done this numerous times without ever damaging the shock. Dont think yours has it but be aware that the rebound adjuster rod goes down the shaft but I have never crushed it, yet. I have actually tried to on an old one that was buggered and still couldn't crush it.
Viper666
My wife often puts a part of my anatomy in the vice
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where you Been this season 666?
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Unfortunately with such a full calander this year Viper conflicted with other events and I had promised my son we would do all the Western Region & Rovers Club days this year but I will be there presentation night to see who's won what. See ya there.
Viper666
Ya canna handa man a granda stubby?