Scoot F.A.Q.
Q. What size of roller weights do I need?
The table below shows common roller weight sizes for some popular scooters/engine styles. It is always a good idea to measure your rollers before ordering to be certain that you get what you need. There quite a few oddball engines out there in Chinese scooters that may not conform to anticipated specifications. The first number is the diameter in mm and the second in the width in mm. If you have an aftermarket variator, it may use weights of a different size.
139QMB/GY6 50cc 4T |
16x13mm |
QJ139QMB-3 50cc 4T (Minarelli Style CVT) |
15x12mm |
1E40QMB/Minarelli Clone 2T |
15x12mm |
Yamaha Minarelli (Zuma/BWS/Aerox/Jog 50 2T) |
15x12mm |
TGB / Franco Morini 2T |
17x12mm |
GY6 125-150cc 4T |
18x14mm |
GY6-B 150cc 4T (Usually Has 16" Wheels) |
20x15mm |
Linhai VOG 250-300cc 4T |
20x12mm |
CF250 4T |
23x18mm |
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