Seller notes

80cc (47mm BORE) UPGRADE KIT FOR QMB139 MOTORS TRUE DISPLACEMENT *72cc WITH STOCK CRANK*PEOPLE REFER TO THIS KIT AS 80cc THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139 MOTOR AND TURN IT INTO A 72cc / 80cc MOTORADDING MORE POWER FOR BETTER PERFORMANCE KIT INCLUDES: CYLINDER BODY : 47mm BORECYLINDER HEAD (VALVES INSTALLED): NON EGR *69mm VALVES*WHOLE GASKET SETPISTON & PISTON RINGS SETOIL PUMP SET INTAKE STUDS16x13 ROLLERS: 8.5 GRAMSFITS SOME MODELS OF TAO TAO, SUPERMACH, X-PRO, JMSTAR, ROKETA, SUN...

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