Torque Specs For Ohlins R&T Fork Pinch Bolts?

Started by Akechi, June 21, 2014, 04:25:56 PM

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Akechi

Anyone know the toque specs for axel pinch bolts on Ohlins R&T forks?  The manual that comes with them doesn't mention the specs.  I've seen pictures floating around of cracked Ohlin lowers from over-tightens bolts, so I'm a little afraid to just wing it. 

DarkMonster620

What bike? Usaually 16Nm sequence 1-2-1

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MonsterHPD

Quote from: Akechi on June 21, 2014, 04:25:56 PM
Anyone know the toque specs for axel pinch bolts on Ohlins R&T forks?  The manual that comes with them doesn't mention the specs.  I've seen pictures floating around of cracked Ohlin lowers from over-tightens bolts, so I'm a little afraid to just wing it. 

I never use torque numbers for the front axle pinch bolts. Since the axle is not very sturdy, tightening the one bolt will loosen the other if you just torque by numbers. I tighten them down, alternating between the 2 bolts until tightening the one does not loosen the other.

However, looking into the installation leaflet I got with my R&T, it specifies 20 Nm for the pinch bolts, so I suppose you could use that. Be sure to use the alternating method until nothing moves anymore in any case.   
Monster 900-2002 (sold, alive and well in the UK), 749R / 1100 HYM combo for track days, wifes / my Monster Dark 800-2003 (not entirely "Dark" anymore and a personal favourite) , 50% of 900SSie -2000 track bike for rainy days-now with tuned ST2 motor and Microtec ECU. Also parked due to having been T-boned on track.

Akechi

Quote from: MonsterHPD on June 21, 2014, 11:06:31 PM
I never use torque numbers for the front axle pinch bolts. Since the axle is not very sturdy, tightening the one bolt will loosen the other if you just torque by numbers. I tighten them down, alternating between the 2 bolts until tightening the one does not loosen the other.

However, looking into the installation leaflet I got with my R&T, it specifies 20 Nm for the pinch bolts, so I suppose you could use that. Be sure to use the alternating method until nothing moves anymore in any case.   

Awesome - thanks!   [thumbsup]

koko64

Quote from: MonsterHPD on June 21, 2014, 11:06:31 PM
I never use torque numbers for the front axle pinch bolts. Since the axle is not very sturdy, tightening the one bolt will loosen the other if you just torque by numbers. I tighten them down, alternating between the 2 bolts until tightening the one does not loosen the other.

However, looking into the installation leaflet I got with my R&T, it specifies 20 Nm for the pinch bolts, so I suppose you could use that. Be sure to use the alternating method until nothing moves anymore in any case.   

+1
I use the torque setting with the alternate method until both bolts hold the torque setting on any clamp where the bolts hold the torque in tandem.
2015 Scrambler 800

brad black

some are m6: 10nm, some m8: 18nm.  in a pattern of until they stop tightening as above.
Brad The Bike Boy

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