Vento Baja Roketa Gy6 50cc 80cc Qj139qmb Big Bore Xs139qmb Kymco on 2040-parts.com
Taiwan, TW
this kit is special design for QJ139QMB 50cc 4 stroke engine.
the cylinder sleeve outer diameter is 50mm .
this is a bolt on kit no need to modify engine case
will make your engine up tot 72cc (80cc)
This kit include
Performanc cylinder head with 19mm & 22mm enlarger valves
(cylinder head length is 60mm)
if your cylinder head taller than this will not for your engine.
47mm cylinder block + Piston
Piston Rings (from RIK Japan)
wrist pin & clips
and standard GY6 50cc service manual.
Free Gift : Bando Coil
easy install ,this is bolt on kit!
This is real 47mm bore size.
Premium quility from Taiwan
not cheap copy from china
will fit to following GY6 & 139QMB 50cc base engine
Kymco: Filly 50cc,Agility 50cc
GARELLI: CAPRI - CICLONE
Taishan:Sport 50cc,Commuter 50cc
Baotian:50QT-9,50QT-11
Sinski:XSJ50QT-B,XSJ50QT-6
Dotera:50QT-11
Jalon:JL50QT-18
GEELY: Sportster 50, Runner 50,
GIANTCO: Sprint 50
JALON: JL50QT-18
JINLUN: JL50QT-4
JPS RACING: QT50
KINROAD: XT50QT-6, QT50QT-2
LIFAN: LF50QT-2A (jet),
SANLI-SANIFER: XTR50
SUKIDA: SK50 QT, SK50QT-21, SK50QT-19, SK50QT-11A
TAMORETTI: Retro 50
TIGER: S1 Sports 50
YAMATI: Jazz 50
YIYING: YY50QT-15
WANGYE: 50
Zhong Hu: 50cc 4t
ZNEN: Stealth 50
ZY MOTOR: ZY50QT-7
Roketa,Baja ,Kazuma,
and
other Chinese Cloned GY6 base 50cc engine
yes, this kit also will fit to
engine code with"XS" & "QJ"139QMB engine
Zhen, Vento, ROKETA , Baja scooter
the sleeve outer diameter is 50mm.
if your model not list above and have any questions
ask me before you buy it
if you dont know your engine model
You can check your engine serial number
the number stamped on engine case near engine mount
we can offer you premium quality scooter & ATV parts
other performance parts available
please allow the items will take 7~10 business days ship from Taiwan !
Ship to Worldwide
bulk order welcome
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