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You are here: Home > Parts Department > Scooter Parts > Parts by Engine Type > 50cc, QMB139 4-Stroke Scooter Engine Parts > Cylinder (Fig. 3)
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QMB30001
Fig. 3 / Part No. 01
Cylinder 50cc


Our Price: $49.95
QMB30002
Fig. 3 / Part No. 02
Cylinder Gasket


Our Price: $5.49
QMB30003
Fig. 3 / Part No. 03
Cam Tensioner


Our Price: $9.99
QMB30004
Fig. 3 / Part No. 04
Cam Tensioner Gasket


Our Price: $1.99
QMB30005
Fig. 3 / Part No. 05
Pin 8mm × 14mm


Our Price: $1.99
QMB30006
Fig. 3 / Part No. 06
Cam Tensioner Spring


Our Price: $1.99
QMB30007
Fig. 3 / Part No. 07
Cam Tensioner Nut


Our Price: $1.99
QMB30010
Fig. 3 / Part No. 10
Cam Chain Guide

Specifications:
Length 203 mm
Width 10 mm

Our Price: $4.99
QMB30011
Fig. 3 / Part No. 11
Wrist Pin

Specifications:
Length: 31mm
Diameter: 13mm

Our Price: $4.99
QMB30012
Fig. 3 / Part No. 12
Piston 50cc

Specifications
Piston Diameter: 39 mm
Piston Height 35 mm
Piston Pin: 13 mm
Piston Pin & Clips are not included

Our Price: $15.99
QMB30013
Fig. 3 / Part No. 13
Wrist Pin Clips

Sold as pair.

Our Price: $1.49
QMB30016
Fig. 3 / Part No. 16
Piston Rings 50cc (Complete Set)

Includes:
Part No. 14, 15 and 16

Our Price: $19.99
QMB30017
Fig. 3 / Part No. 17
Crankshaft


Our Price: $89.99
QMB30018
Fig. 3 / Part No. 18
Cam Chain


Our Price: $13.99
QMB30019
Fig. 3 / Part No. 19
Cam Chain Tensioner

Specifications:
7-3/4" inches in Length
6mm inner diameter of hole

Our Price: $4.99
QMB30020
Fig. 3 / Part No. 20
Tension Lever Bolt


Our Price: $2.99
QMB30021
Fig. 3 / Part No. 21
O-Ring for Tension Lever Bolt

Specifications:
Diameter: 15.2mm
Thickness: 1.5mm

Our Price: $0.99