RE: 1988 R100RT - I...
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RE: 1988 R100RT - Is it advisable to relpace one rocker arm ( remove 2 o'clock and 4 o'clock head nuts) at a time?

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Richard Steving
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RE: 1988 R100RT - Is it advisable to replace one rocker arm (remove 2 o'clock and 4 o'clock head nuts) at a time?

Posted : 11/15/2023 10:46
James Strickland
Posts: 401
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I just stumbled across this post from 2 weeks ago. This response is my opinion only.  Many owners like to re-torque the head bolts from time to time, including the nuts a 6 and 12 o'clock which are not located under the rocker cover.  That requires all the nuts to be  loosend . If I had 1 messed up rocker arm, I would be tempted to change just that one part. However, if you are changing both, just get it over with. 25 ft/lb is the generally accepted torque value. I would arrive at the final torque in 3 steps. (say like 9,18,25) Be aware that the long studs can fail where they are threaded in to the motor casting. I experienced that failure on the left side of a 1988 R100RS I used to own. 

This post was modified 2 days ago by James Strickland

former Airmarshal, IL.

Posted : 11/27/2023 11:40


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