450 Torque Correction



6 replies to this topic
  • idracrb

Posted February 14, 2003 - 01:45 PM

#1

I noticed some corrections in my service manual. On pages 2-19, 4-76, 4-77 & 4-81, adhesive-type, white paper corrections have been made regarding proper torque for the rotor nut.

These entries now read: 85 Nm (8.5 m/kg, 61 ft/lb)

I purchased my WR450 from a dealer owned by a close friend. He has not been notified by Yamaha of any problems yet. Will advise soonest when he does.

BTW, my bike is #1041. No probs yet, but only a few hours on it.


Reese King

  • Desracer

Posted February 14, 2003 - 07:39 PM

#2

Did you or your dealer check the torque on the nut yet?

  • idracrb

Posted February 15, 2003 - 06:32 AM

#3

Neither. He was out of town this past week. He'll contact Yamaha next week and we'll go from there.


Reese

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  • idracrb

Posted February 19, 2003 - 02:44 PM

#4

Update:

My dealer has been advised by Yamaha to lap the rotor & shaft and retorque to the original spec of 47 ft/lbs. They have revised the torque spec that they corrected in the manuals.

47 ft/lbs is the correct spec.

TSB (technical Service Bulletin) will soon follow.


Reese King

  • foursmoke

Posted February 19, 2003 - 04:13 PM

#5

I checked mine last night.It clicked at 47 ft-lbs. I removed the rotor nut,cleaned oil off,put on some locktite & retorqued to 47 ft-lbs.Still 0 miles on it but if you cant ride due to weather, might as well work on it.

03 WR450FR-picked up 2/3/03.Works connection alum. frame guards.

  • Number82

Posted February 19, 2003 - 05:37 PM

#6

Mine came with the stickers and a loose page that superceded the manual with 47 ft/lbs. I've tried to shine a light through the stickers to see what it was originally but can't figure it out.

-g

  • BEAN329

Posted February 19, 2003 - 05:57 PM

#7

page 2-19 peeled off label said 50 lb




 
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