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Enduro Suspension Tuning & maintenance of Enduro forks, shocks, etc |
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#1
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Torque values, top and bottom triple clamps
I'm wondering if the torque values for tightening the pinch bolts on the triple clamps are correct in the manual. The manual says 20nm for the top and 16 for the bottom, I checked the tightness on the bolts today and found they were way to loose, I cant believe how far I had to tighten them to reach the values in the manual.... This is on a brand new 2011 250 Race... I was checking the tightness to be sure that they're not over tightened and contributing to stiff forks...
Ed.....
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2011 250 Race, kicker... 2006 640 KTM Adventure... Smartcarb... Done Waiting, maybe later... Lectron... Got one.. |
#2
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Quote:
http://www.gasgasrider.org/forum/sho...t=clamp+torque |
#3
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:)
Was just thinking about this:
What is the general consensus: tighten a bolt to it's specified torque value and leave it.....or Tighten each bolt to its value, then come back and tighten again (as it will be below the torque value when the others are tightened after it). Also I was told run the top two bolts/remove the third/lowest bolt? Theories, comments?
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2015 KTM 450 XCW 2014 350 XCF Wife's 2009 200 ec. Loving it 2007 Beta Rev 3 270 2007 KTM 200 XC Wife's Public Lands belong to the Public |
#4
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. keep in mind that 20 nm is only about 16 ft lbs and 16 nm is 12 ft lbs. Most of my bikes have had clamp torts in the 15 to 12 flt lb range. the no bottom bolt in the bottom clamp comes form the folks at ktm ... at least the first time i heard it was from steve hatch who was riding for ktm ... i think .. anyway he said they left the bottom bolt out because it gave the forks a bit of flex .... i use the tighten both bolts down until both are at the required torque. Thats the only way you can get both bolts at the required torque. If you do it the other way you will have one at the proper torq but the other will now be below the specified torq.
my question is if you use anti seize on your clamp bolts, are you suppose to go higher or lower on the torq value to make up for the lub?? |
#5
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If you tighten the bottom clamps to manu spec they tend to 'neck down' the tube it can cause a harsh midrange spike in the fork action in addition to wearing the inside of the tube prematurely & fouling the oil. I'd rather not say how I know but that info comea from LTR after he did my forks on my '06. Jakobi's specs will hold the fork securely in the clamp without distorting the tube, same goes for repeatedly tighten lower clamp until both show spec.
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Fred Overstreet 2010 EC250 SixDays 2004 GasGas EC300 -Sold to a good home 2006 GasGas EC250-Sold to a good home 2006 GasGas TXT 280 Pro |
#6
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K, I reset the torque to Jakobi's values... I also removed the middle bolt on the lower triple clamp. I noticed that the bolts had been marked at the factory,wish I had checked what the torque was before I reset it all.... Thanks for your help....
Ed......
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2011 250 Race, kicker... 2006 640 KTM Adventure... Smartcarb... Done Waiting, maybe later... Lectron... Got one.. |
#7
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Torque two bolts to 7 - 9Nm and just snug the third. The factory specs are WRONG.
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#8
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Yep! I set the wrench at 7nm and then alternate each bolt snugging them up but stopping before the click. When they feel like they are getting close to being tight they go click on each one and I call it done. You can put the third bolt back in and gentle seat it, but I just decided to leave it out completely.
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#9
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Mine came with like 20nm of torque on both clamps from factory !!! I was lucky enough to remember to check it before I ride.
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Vindicator '11 EC 300R |
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