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81 GS 550 - Front and Rear Sprocket Torque settings

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    81 GS 550 - Front and Rear Sprocket Torque settings

    Hey there peoples,

    I was changing my rear tire today when I noticed a link on my chain looking like its already stretched beyond its limit. A few wiggles of a flathead later and the outer link was hanging by one post. I've been rebuilding this bike the past two months and only just recently started riding it and now I'm really happy I haven't tried any highway riding yet!

    I ordered a new JT 530 chain as well as JT front and rear sprockets from Z1 today but I'm having some trouble confirming the torque settings for the mounting nuts for both front and rear.

    Checked through the "GS550_77-82_all" service manual on BassCliff's site which describes on page 151 a "Drive Sprocket Nut" - 20mm diameter @ 29.0-43.5lb-ft that sounds like the front sprocket but I haven't been able to find anything specifically for the rear sprocket. There's a generic table on the next page for fasteners not listed but just wanted to check if anybody had come across anything else or had experience changing their own.

    Thanks again GS'ers!

    Last edited by Guest; 10-07-2017, 09:10 PM.
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