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14th August 2022
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: N6C 1N3
Posts: 32,881 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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Quote:
Originally Posted by doodah man
I also agree on the 35-65 ft/lb figure for the transmission output sprocket (rear drive) and 100-120 ft/lb on the engine sprocket - front drive inside the primary.
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It is a common error, especially for newer members here and elsewhere, to confuse these two "sprocket" names. About a decade or so ago it was discussed thoroughly because I made the same error...
transmission output sprocket vs engine sprocket: very different parts  |
15th August 2022
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Biker
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Join Date: Oct 2021
Posts: 61 Sportster/Buell Model: Sportster 1000xlh Sportster/Buell Year: 1979 Other Motorcycle Model: 1975 cb750
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Okay sorry.. left side (clutch hub nut and the sprocket to the left of it which I am calling the "compensating sprocket ", I was initially told 150-160. I put it on with an older "ingersoll rand " 1/2 inch. Drive pneumatic wrench. It's tight... somewhere between 120-150, I would say. That's (both) of the nuts in the primary case. The( right) side sprocket (the one that spins the chain (23 teeth) that spins the rear (wheel sprocket) 58 teeth, is the one I'm asking about.. the vote is 35-65 lbs., I guess?
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15th August 2022
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Biker
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Join Date: Oct 2021
Posts: 61 Sportster/Buell Model: Sportster 1000xlh Sportster/Buell Year: 1979 Other Motorcycle Model: 1975 cb750
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Okay sorry.. left side (clutch hub nut and the sprocket to the left of it which I am calling the "compensating sprocket ", I was initially told 150-160. I put it on with an older "ingersoll rand " 1/2 inch. Drive pneumatic wrench. It's tight... somewhere between 120-150, I would say. That's (both) of the nuts in the primary case. The( right) side sprocket (the one that spins the chain (23 teeth) that spins the rear (wheel sprocket) 58 teeth, is the one I'm asking about.. the vote is 35-65 lbs., I guess? By the way... thank you sooooo much!!! I would have probably done some damage. I hadn't remembered putting so much tourque on it before.. but I also didn't want a broke-loose chain tickling my leg on the highway! Again.. AND WITH ALL SENSARITY, THANK YOU GUYS. THAT VERY WELL COULD HAVE BEEN A LEG!
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15th August 2022
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Senior Master Custom Bike Builder
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Join Date: May 2009
Location: 37° 25' 28" N by -80° 03' 42" W
Posts: 11,494 Sportster/Buell Model: XLCH Sportster/Buell Year: 1975
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You’re welcome! Enjoy your legs lol!!
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15th August 2022
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XL FORUM TEAM MEMBER
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Join Date: May 2010
Location: Pottstown PA.
Posts: 16,300 Sportster/Buell Model: XLCH stroker Sportster/Buell Year: 1960 Sportster/Buell Model #2: 883 C Sportster/Buell Year #2: '03
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if you don't a a large obvious spring assembly on your motor sprocket shaft,you don't have a ''compensating sprocket''.yes or no?? the factory last used them in early '76.
__________________
72 1000cc barrels and XLR heads, S&S 4-1/2'' flywheels, sifton minus-minus cams, S&S super A w/ zippers thunderjet w/yost powertube, Andrews gears,and shafts, 72 oil pump, Morris magneto w/auto advance and single fire module, cycle electric generator w/electronic regulator,73 cu.in.
Last edited by brucstoudt; 15th August 2022 at 22:38..
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