QMB139 Roller Weights 1st Gen
Item-Code : 169-149
Regular Price : $29.00
Season Special: $10.99
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Roller Weights 1st Generation for 50cc 4-stroke QMB139 engines. The QMB139 is the most popular 50cc 4-stroke engine found on Chinese scooters.
We recommend starting performance upgrades by changing the variator roller weights first.
Heavier roller weights= A slower take off speed with more acceleration and a higher top speed.
Lighter roller weights = A faster take off speed with less acceleration and lower top speed.
Specifications
Size: 16x13
Supported Models
Panterra Fusion 50cc, Qingqi QM50QT-6V, Various unlisted makes/models, Baja SC50, Kymco Filly 50, Panterra Retro 50cc, Tank Classic 50QT-6, SUNL SL50QT-16, QMB139 50cc/49cc