Spring bearing holder, bigger manifold diameter, a good compliment for 70cc Sport and Midrace cylinders. Available either with carbon-kevlar or aluminum muffler. Periphery, such as cylinder and carburetor should be modified.
SIP-TIP! Lighter vario rolls, harder clutch springs, 17.5er carburetor, long gears, racing cylinder SPORT
German Scooter Magazine MOTORETTA May/June 2004: “The YASUNi “R“ Is the best of the test“, „A real winner.“
German Scooter Magazine MOTORETTA March/April 2003: „...we can highly recommend this for all scooter maniacs who want to get the last drop of performance out of their original engine.“
SIP TUNING LEVEL 2-3/SPORT-RACE
Rpm‘s: -11.000
E-pass für folgende Modelle:
PEUGEOT Squab/Trekker/Speedfight/Zenith
Buxy/Speedake
Go to this product on www.sip-scootershop.com.
