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(2 customer reviews)

In stock


In stock

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So, you’re tired of the mid-thirties MPH you’re getting from your stock Ruckus? This CDI advances ignition timing & removes the factory rev-limiter. This Upgrade is ESSENTIAL to unleashing all the potential power from your stock engine & an absolute must for anyone planning future upgrades…. especially an aftermarket variator (like the Polini Variator)
MADE FOR ZOOMER NON-EFI but THE RUCK SHOP includes instructions for USDM RUCKUS.  Also know that with this your kill switch becomes eliminated and the scooter will be turnkey to turn off.

We modify the harness and even include plugs/connectors, so you don’t have to solder.  We even include ENGLISH instructions unlike our competitors.
*Minor wiring modifications required* The below instructions are for our modified harnesses.


Download CDI instructions HERE

Please see our Warranty & Returns Policy.


The product that you are purchasing is designed and intended for closed course competition use only and is labeled as such, i.e., Yoshimura “RACE SERIES.” Yoshimura RACE SERIES, TWO BROTHERS, Carburetors, Intakes, or any other performance products are neither designed nor intended for use on PUBLIC ROADS or LAND. Such use is prohibited by Federal and State regulations. By Placing order and agreeing to the Terms and Conditions at CHECK OUT you acknowledge that the item being purchased is for racing only and this vehicle will never be used on public roads or land.


Weight 0.8125 lbs
Dimensions 6 × 4 × 3 in

Based on 2 reviews

4.5 overall

Add a review

  1. alex

    this cdi helped me get past my rev limiter and now i can tune with my polini vartiator. hoping to get 45


  2. Larry s.

    kept hitting the rev limiter with a customers bike and the guys said this was my solution. got it in 2 days and sure as anything it fixed my problem and was able to hit 45mph now.

    Larry s.

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