taco eater :
Rocco trotto Trotto from Princeton, MA United States
Don’t shave your stock nut for the cdi party!
I did that and I worked but I destroy the lip on the cdi flywheel where the puller goes! The novi nut bottoms out on the outside, no good!
No I have to find out how to pull the flywheel!
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Most definitely the jam. Not maybe…
July 19, 2022
taco eater :
Kevin Hurt from Ventura , CA United States
If it is 18mm diameter and not 19mm like your stock one.
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Good for stock crank with le partie CDI
May 31, 2018
taco eater :
Michael Malvo from Kirtland, OH United States
This is what you are looking for if you don't want to shave your original NOVI nut because you think you may need it one day but wont. Just buy it and put it on the le partie CDI
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This IS the Magneto nut you are looking for.
September 3, 2016
taco eater :
Thomas Ream from Garden Grove, CA United States
If you have upgraded your crank and you need a right hand thread nut to hold your Magneto on this is the one. Not the ling skinny one recomended by the link for the $75 buck crank.
Don’t shave your stock nut 
Most definitely the jam. Not maybe… 
This IS the Magneto nut you are looking for.