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GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA

GY6 Item no.: OE-GY6BT13875

GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA

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Data Sheet
Suitable for (13)


Cam chain tensioner blade for 50cc GY6 139QMB/QMA engines. This blade is located directly at the cam chain tensioner and secured by a pivot bolt on its lower end.
If the rubber is porous or cracked, the blade should definitely be replaced in order to prevent damage to the engine.
Name GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA
Item No. OE-GY6BT13875
Brand GY6
Homologation No

Your product goes with the following manufacturers and their models:

Adly (Her Chee)

BT 50cc 4-stroke


BT49QT 7 - 4-stroke

BT49QT 9 - 4-stroke

BT49QT 12 - 4 Temps

BT49QT 21B2 - 4-stroke

BT49QY 2 - 4-stroke

BT50QT 9 - 4-stroke

BT50QT 11 - 4-stroke

BT 50cc AC - 4-stroke

Tanco 50 - 4-stroke (BT49QT-12F)


Wind 50cc - 4-stroke


Ecobike 50cc 4-stroke

REX (Jinan Qingqi, Shenke)

Capriolo 50cc AC 4-stroke

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