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When I rebuilt my '72 750 combat the swingarm was warped about 3/8-1/2 in. I am the second owner an I am pretty sure it was never down hard. I assumed after examination that the chain torque twisted the swingarm up on the primary side, twisting it. I have seen this twist on a lot of 750 swingarms so that is plausible to me. Don't know if this occurs on the 850 as I have never owned one but next time I build a bike and repaint the swingarm I will be inclined to add some reinforcement to stiffen it from twisting.

[QUOTE="ilikevelos, post: 675922, member: 1432"] When I rebuilt my '72 750 combat the swingarm was warped about 3/8-1/2 in. I am the second owner an I am pretty sure it was never down hard. I assumed after examination that the chain torque twisted the swingarm up on the primary side, twisting it. I have seen this twist on a lot of 750 swingarms so that is plausible to me. Don't know if this occurs on the 850 as I have never owned one but next time I build a bike and repaint the swingarm I will be inclined to add some reinforcement to stiffen it from twisting. [/QUOTE]

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