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G- Dowel Pin 8x10mm Set (QMB, GY6, Universal)

G- Dowel Pin 8x10mm Set (QMB, GY6, Universal)

Description: Dowel Pin 8mm x 10mm Set aka “guide pins” for 139QMB camshaft holder, cylinder head, cylinder base, cylinder studs, CVT, rt crankcase, timing cover, and transmission cover. Also, it will fit GY6 125/150cc except for top-end assembly include cylinder studs that require 10mm x 10mm dowel pins. See the note below.

NOTE: Each dowel pins work in pairs to secure each crankcase component listed. 8mm x 10mm dowel pins will NOT fit GY6 cylinder studs, cylinder base, cylinder head, and camshaft holder which instead require dowel pins 10mm x 14mm (Part# 1100-1071). If, using a 6mm base spacer need to replace base dowel pins with 10mm x 20mm (Part# 1100-4054).


Include the following Dowel pin set. Please select a QTY set of 2 or 4 pieces.

•    Dowel Pins 8mm x 10mm
•    Fit Oil Pump Holder (139QMB ONLY)
•    Fit Camshaft Holder (139QMB ONLY)
•    Fit Cylinder Stud Set (139QMB ONLY)
•    Fit Cylinder Base +Fiber Gasket (139QMB ONLY)
•    Fit Cylinder Head +Steel Gasket (139QMB ONLY)
•    Fit Crankcase (right) +Gasket
•    Fit Timing Cover +Gasket
•    Fit CVT Cover +Gasket
•    Fit Transmission Cover +Gasket
•    Fit GY6 125/150cc - unless LISTED.
•    Fit QMB 49/50cc - ALL FIT

Supported Models: GY6 139QMB 49cc-50cc 4-stroke, 50QMF 90cc-100cc, 152QMI 125cc, 157QMJ 150cc, 161QMK 170cc, 161QML 200cc, Chinese Scooter, ATV, Genuine Buddy, Kymco, Polaris RZR 170, Ruckus, TaoTao, Vento, and virtually any other GY6-based engine with these measurements.

Item Weight & Package Dimensions:
•    0.1 pounds | 0.551" (L) x 0.315" (W) x 0.25" (H)

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G- Dowel Pin 8x10mm Set (QMB, GY6, Universal)
  • Stock: 34
  • Part #: 151-139
Sold: 30
Views: 19366
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