Seller notes

NCY PERFORMANCE SECONDARY GEAR SET (16*37) *PRE PRESSED / READY TO DROP IN AND USE* NCY PERFORMANCE SECONDARY GEAR SET (16*37) NCY GEAR SET 16*37 HAS A 25% INCREASE UP GEAR RATIO OVER THE STOCK GEAR SET (13*40 TEETH). WHICH WILL PROVIDE HIGHER TOP-END SPEED WITHOUT LOSING POWER ON ACCELERATION. SINCE THE GY6 125/150CC TRANSMISSION STOCK GEAR TEETH ARE 13*40 WHICH = GEAR RATIO 3.076:1 THIS MEANS THE STOCK GEAR 13-TEETH COUNTER SHAFT HAS TO TURN 3.076 FULL-TURNS TO DRIVE 1 FULL-TURN OF ITS 40-TEET...

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