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G- Transmission Bearing Set (139QMB)

G- Transmission Bearing Set (139QMB)

Description: G- Transmission Bearing Set aka rear drive bearing set for 139QMB 49/50cc 4-stroke engines. This bearing set contains all the relevant bearings found within the transmission. A complete rear transmission bearing set of 6-pieces.

NOTE: Transmission cover, gasket (Part# 151-58) and oil seals (Part# NK102.03) sold separately.

Temperature Modification May Be Required: You'll need to heat the aluminum crankcase area where the bearing set will be placed in order to fit immediately the freezing bearing set. Users assume full responsibility and risk doing so using this bearing set.


Includes the following Transmission bearings.

•    1x 6004 RS Bearing ID: 20mm / OD: 42mm / H: 12mm - 2.3oz.
•    3x 6201 Bearings ID: 12mm / OD: 32mm / H: 10mm
•    1x 6203 Bearing ID: 17mm / OD: 40mm / H: 12mm - 2.3oz.
•    1x 6303 2/P6 Bearings ID: 17mm / OD: 42mm / H: 12mm
•    Fit 139QMB 49/50cc+

Supported Models: Naraku CVT Kit (Part# KIT.A.139QMB); 139QMB 49cc-50cc engines, Baja SC50, Boreem (BMS) 50, Filly 50, Kymco 50, Panterra 50, Qingqi 50, QLink 50, Roketa 50, SUNL 50, SYM 50, Tank 50, TaoTao 50, and virtually any other scooter engine with these measurements.

Item Weight & Package Dimensions:
•   0.75 pounds | 6" (L) x 4" (W) x 4"(H)

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G- Transmission Bearing Set (139QMB)
  • Stock: 39
  • Reward Points: 1
  • Part #: BT12281
Sold: 1
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Ex Tax: $30.30
Price in reward points: 31