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Cylinder Head GY6 (with SAS) 50cc

GY6 Item no.: OE-GY6BT13851

Cylinder Head GY6 (with SAS) 50cc


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Data Sheet
Suitable for (19)


Complete cylinder head for the 50cc 139QMB/QMA engine. Different from many other cylinder heads on the market, this one comes complete, i.e. valves, valve springs, valve stem seals etc. are completely pre-assembled. This way, the cylinder head is ready to be installed and the pesky replacing and grinding-in of the valves, which also requires special tools, is not necessary.
The head comes with secondary air system (SAS).

Data Sheet

Name Cylinder Head GY6 (with SAS) 50cc
Item No. OE-GY6BT13851
Brand GY6
Homologation No
Homologation Yes
Stroke Original
Conrod Length Standard
Engine Type 2-stroke

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)


Silver 50cc - 4-stroke

Speedy 50cc - 4-stroke

TVZ 50cc - 4-stroke

Tanco 50cc - 4-stroke

Warrior 50cc - 4-stroke

Wind 50cc - 4-stroke

ZX 50cc - 4-stroke


Ecobike 50cc 4-stroke

REX (Jinan Qingqi, Shenke)

Capriolo 50cc AC 4-stroke

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