Naraku sport variator kits for for GY6 engine mopeds.
Fits 139QMB/ 139QMA engine 50cc 4-stroke Chinese scooters such as Baotian etc.

This is a great upgrade over the standard variator kits offering far more consistent revs stability over standard (keeping you firmly within your power-band) and come complete with rollers.

Comes with 16x13mm 6g rollers. This weight choice is suitable for standard mopeds with standard exhaust, don't forget that if your scooter is tuned or modified (e.g. sports pipe fitted) you will normally need to fit lighter rollers!

Also fits GY6 Chinese mopeds but also fits Peugeot V-Clic, and the following Sym and Kymco scooters.

Kymco
Agility 50 (2-stroke and 4-stroke)
DJ 50
Filly 50 4T
Grand Dink
Like 50 2T
People S 50
Sento 50
Super 8 and 9, 2-stroke and 4-stroke
Vitality 50 2T, 2-stroke and 4-stroke
Yager 50
Yager 50 GT
YUP 50
Sym
DD 50
Fancy 50
Fiddle 50
Flash/Free 50
Jet 50 -2000
Jet 50 Euro X
Mask 50 -2000
Mask 50 2000-
Red Devil 50 -2000
Red Devil 50 2000-
RS 50 Shark 2000-

Naraku NK900.81