taco eater :
Adam Riggsby - Pike Cycles from Allston, MA United States
https://gprcamp.com/foro/viewtopic.php?t=289
That site has all the PWK tuning info you'll need. Print out the charts! Make doodles! Tune your carburetor!
Good luck pals.
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1 taco eaters like this review
An absolute must for your PWK
October 9, 2015
taco eater :
Derek Metal Ponies from Quincy, MA United States
Made in Italy. Precision and consistency are a given. This pack provides sizes that are actually "moped friendly", with tapers and thicknesses welcomed by our automatic 1/2/vario speed two strokes.
Perhaps the single-most important part of my whole carb. Your nice Polini main jet is no good if you can't cleanly get the revs up there...and forget it if you have a power jetted variant. If you buy a PWK and don't get these with it you're wasting your time and money.
I went from the cheapies to these and gained an easy 5mph! I still can't believe there was that much more left in my set up. New RPMs will be reached - get these.
great, use with this guide! 
