Swingarm refitting. - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
 
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post #1 of 4 (permalink) Old 02-24-2018, 12:31 PM Thread Starter
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Swingarm refitting.

Just did some maintenance on my (wifes) trx250, 99 model. Removed swingarm and greased the bearings. Badly needed.

I have a Clymer workshop manual which states thge torque on the swing arm left pivot bolt is 4 nm or 35 in lbs, and - ft lbs. Torque wrench does not have nm or in lbs, but a conversion gives around 3 ft lbs.

3 ft lbs is incredibly low. My torque wrench wont even click at this setting. When I regreased the swingarm bearings on my Foreman i recall i was able to do it with my torque wrench so the torque setting was obviously higher.

Anyone else worked out a way to torque this pivot bolt? Guessing the only option I have is to wind in the bolt until their is just no sideways movement in the swingarm.
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post #2 of 4 (permalink) Old 02-26-2018, 10:19 AM
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Tighten the bolt on the left side all the way in (no locknut on that one), then torque the right nut in and use the locknut to hold it.


I don't have the manual for a 250, but you **** sure don't want that bolt backing out. It will wallow out the threads and ruin your frame.

2005 Foreman Rubicon Camo
Perfex, 27" Mudbugs
Heated grips and Thumb , HID's
5K Viper Max winch

2009 Foreman 500FM Green
Perfex with HL springs
27" Execs on Rubicon rims
Heated Grips and Thumb, HID's
4K Viper Max winch

2006 Foreman 500FM Green
28" Mugbugs, stretched, Perfex, HLsprings
3K Superwinch winch

2009 475 Rancher AT Tan
26" Mudbugs on Rincon rims
Warn winch. Foreman pod light with HID, SRA gear reduction
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post #3 of 4 (permalink) Old 03-12-2018, 06:41 PM Thread Starter
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Sadly there is no way to make the correct torque on the left hand pivot bolt correctly. 3.5 foot/ lbs is too low for any torque wrench to be set at. I just torqued up to just firm which is a whole lot more than 3.5 foot/ lbs and on the next ride the swingarm was so loose it mashed the seals.

Ive fitted new bearings and seals and tightened the same way, wont be surprised if they fail next ride.
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post #4 of 4 (permalink) Old 03-13-2018, 10:58 AM
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I put new swingarm bearings in the 350 Rancher I'm working on a couple of days ago.


I put the left side in and torqued it "Good and tight" with a 1/2" Ratchet, then put the passenger side in and screwed it in until I saw the gap close on the driver's side and the gap on the passenger side started to grow.


Waiting on a socket now to torque the crap out of that lock nut to hold it in place. I had one I made but the lugs broke off of it so I bought one this time.


You want them too tight before you want them loose. Trust me, I had them back out on my 06 and it ruined the threaded area of the frame. Had to get another frame and swap the whole bike over.

2005 Foreman Rubicon Camo
Perfex, 27" Mudbugs
Heated grips and Thumb , HID's
5K Viper Max winch

2009 Foreman 500FM Green
Perfex with HL springs
27" Execs on Rubicon rims
Heated Grips and Thumb, HID's
4K Viper Max winch

2006 Foreman 500FM Green
28" Mugbugs, stretched, Perfex, HLsprings
3K Superwinch winch

2009 475 Rancher AT Tan
26" Mudbugs on Rincon rims
Warn winch. Foreman pod light with HID, SRA gear reduction
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