Product Description
NCY HIGH PERFORMANCE GEAR SET (17*41)
FOR CHINESE SCOOTERS
WITH 50CC QMB139 MOTORS
NUMBER OF SPLINES: 19
INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM
THICKNESS: 15.5MM
RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES IS FINALLY HERE! THIS KIT IS MADE SPECIFICALLY FOR 88CC BIG BORED ENGINES AND INCREASES YOUR GEAR RATIO BY 30%. THIS IS THE MOTHER OF ALL UPGEARS FOR THE 50CC QMB139 SCOOTS. ONLY EFFECTIVE IF YOU HAVE A FULL BLOWN 88CC KIT WITH A BIG VALVE HEAD, AND STROKER CRANK.
CHANGE THE GEAR RATIO ON YOU MOTOR
FOR MORE PERFORMANCE
FITS MOST CHINESE SCOOTERS QMB139 50CC MOTORS
FITS SOME MODELS OF
TAOTAO, WOLF, ICE BEAR, JMSTAR,
ROKETA, SUNL, TANK, PEACE, JONWAY, GATOR
AND MANY OTHERS
*ANY QUESTIONS PLEASE EMAIL*
