minarelli horizontal driven PULLEY assembly
minarelli horizontal driven PULLEY assembly
 
  $39.99
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minarelli horizontal driven pulley assembly. fits tons of different bikes as these motors are super common in the early to late 2000's

for 112mm bells i believe...might be 110mm
115mm diameter cheeks
for 17mm input shafts

does not come with a clutch bell.

taco rating taco rating 5 of 5 5 of 5 Total Reviews: 1 give your taco rating here

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5 of 5 slap your nu50 clutch on it and cya later... kinda December 8, 2025
taco eater : Mickey Haddox from INDIANOLA, IA United States  
Fine, there's a lot of work and it's jank. You can get this on your NU50 after you do some work. You need to first knock out that rear needle bearing, it won't work on the stock shaft. After you do that, you have to bore out the rear so that your stock bearing will fit the back. You  THEN have to shim it that when you tighten the clutch bell it doesn't jam it against the rear case. After all that what do you get? Improved acceleration AND top speed and overall handling. Oh, and you'll have to shave down your clutch bell's shaft a little so the nut has more than 2 threads to bite.It's a lotta work, but it's worth it in the name of speed!

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