50cc Scooter Piston 139QMA 139QMB

Specifications

Piston Diameter: 39mm

Gudgeon Pin Diameter: 13mm

Height (Including Skirt): 33mm

Height (Excluding Skirt): 30mm

Suitable for the following engine codes

139QMA

139QMB

BN139QMB

Suitable for the following models

AJS Modena 50 - ZN50QT-27

Alisze FX50 50 CDI - YY50QT-15(ALISZE)

Alisze Jazy 50 CDI - YY50QT-21(ALISZE)

Axory Rallox - JSD50QT-13(AXORY)

BTM BT49QT-12 - BT49QT-12

BTM BT49QT-9 - BT49QT-9

BTM Retro - BT49QT-11A3

BTM Sprint - BT49QT-12C1

Baotian 50cc 139QMA Engine

Baotian 50cc 139QMB Engine

Baotian Apollo 10 - BT49QT-9(A10)

Baotian Apollo 12 - BT49QT-9(A12)

Baotian BT 125 T-12

Baotian BT49QT-12 - BT49QT-12

Baotian BT49QT-12D

Baotian BT49QT-7 Smart Rider 50

Baotian BT49QT-9 - BT49QT-9

Baotian BT50 Rocky 50

Baotian BT50QT-11

Baotian BT50QT-9 - BT50QT-9

Baotian Big Panther 50 BT49QT-2

Baotian Chase 49 - BT49QT-7

Baotian Eagle 50 - BT49QT-9F3

Baotian Eagle 50 GT - BT49QT-9F3(GT)

Baotian Monza 50 - BT49QT-21A3

Baotian Rebel 49 - BT49QT-12C1

Baotian Rocky - BT49QT-12E1

Baotian Scout 50 - BT50QT-9

Baotian Speedy 50 BT50QT-3N

Baotian Sprint 50

Baotian Tanco 50 2 - BT49QT-12

Baotian Tommy 50 - BT49QT-11

Baotian Warrior 50 BT50QT-12

Beeline Filly 50 4T

Beeline Super 8 50 4T

Beeline Veloce GT - VELOCEGT

Beeline Veloce GT Race - VELOCEGT

Benero BT49QT-9 - BT49QT-9D1

Benzhou 50cc 139QMA Engine

Benzhou 50cc 139QMB Engine

Benzhou City Star 50

Benzhou YY50QT - YY50QT

Benzhou YY50QT-10 - YY50QT-10

Benzhou YY50QT-14 - YY50QT-14

Benzhou YY50QT-15 - YY50QT-15

Benzhou YY50QT-21 - YY50QT-21

Benzhou YY50QT-6

Buffalo 50cc 139QMA Engine

Buffalo 50cc 139QMB Engine

Buffalo Hero 50

Buffalo Spiker 50

Buffalo TVZ 50

Buffalo Tanco 50

Buffalo Warrior 50

Buffalo Wind 50

CTM CTM50QT-7 - CTM50QT-7

Chinese Scooter 50cc 139QMA Engine

Chinese Scooter 50cc 139QMB Engine

Chituma CTM50QT-7 - CTM50QT-7

Direct Bikes 50cc Milan - DB50QT-30A

Direct Bikes 50cc Ninja - DB50QT-15B

Direct Bikes 50cc Retro - DB50QT-A

Direct Bikes 50cc Scorpion - DB50QT-32A

Direct Bikes 50cc Sports - DB50QT-5

Direct Bikes 50cc Tommy - DB50QT-E

Direct Bikes 50cc Viper - DB50QT-32

Direct Bikes DB50QT-16 - DB50QT-16

Direct Bikes DB50QT-25

Direct Bikes DB50QT-5

Direct Bikes DB50QT-6

Direct Bikes DB50QT-7

Epella Contra 50

Epella GMX 50

Ering Sprint 50

Eurocka MATADOR 50 4T LED - JJ50QT-17(EUROCKA)

Explorer Race GT50

Flex Tech Cityliner 50 - BT50QT-9(FLEX TECH)

Flex Tech Dolphin 50

Flex Tech Firenze 25/50 - YY50QT-21(FT)

Flex Tech Fun 50

Flex Tech Hurrican X2 - JL50QT-4(FLEX TECH)

Flex Tech Jive - BT49QT-11(FLEX TECH)

Flex Tech Panter I - JL50QT-4(FT)

Flex Tech Speedy 50

Flex Tech Sprint 50 - BT49QT-9(FLEX TECH)

Flex Tech Topdrive 50 - YY50QT-14(FT)

Flex Tech Topdrive 50

Flex Tech Topspeed 50

Flex Tech VRR-50 - YY50QT-10C

Flex Tech Venus II - HT50QT-6(FLEX TECH)

Flex Tech Venus II

Flex Tech X1/X2

GY6 QT9 Scooters

Garelli Capri 50

Garelli Ciclone 50

Guoben Madness 50 - LB50QT-21

Haizhimeng GP1 (4 Stroke) - HZM50QT-16

Haizhimeng LB50QT-21 - LB50QT-21

Hanglong HL50QT-16 - HL50QT-16

Hanglong LB50QT-16 - LB50QT-16

Hanglong LB50QT-21 - LB50QT-21

Haotian Bubble 50 - HT50QT-9

Huatian HT50QT-10 - HT50QT-10

Huatian HT50QT-16 - HT50QT-16

Huatian Sport 50cc - HT50QT-7

IMF Industrie New Pach 51 - NEWPACH51

IMF Industrie Pach 51 - PACH51

IMF Industrie Two 4 - TWO4

JMSTAR JSD50QT-13 - JSD50QT-13

Jack Fox City Star - YY50QT(JF)

Jack Fox Retro Cruiser - YY50QT-21(JF)

Jack Fox Retro Star - YY50QT-15(JF)

Jiajue MATADOR 50 - JJ50QT-17A

Jiajue Revenge - JJ50QT-3(A)

Jinlun 50cc 139QMA Engine

Jinlun 50cc 139QMB Engine

Jinlun JL50QT

Jinlun JL50QT-5 - JL50QT-5

Jinlun JL50QT-6 - JL50QT-6

Jinlun JL50QT-7 - JL50QT-7

Jinlun Star Quad 50

Jonway Agility 50 - YY50QT-6

Jonway Madness 50 - YY50QT-31

Keeway HURRICANE 50 (4T) - HURRICANE (4T)

Kreidler Flory 50

Kymco 50cc 139QMA Engine

Kymco 50cc 139QMB Engine

Kymco Agility 50 - AGILITY50

Kymco Agility 50

Kymco Dink 50

Kymco Filly 50

Kymco MMC 50

Kymco Nexxon 50

Kymco People 50

Kymco Super 8 50

Kymco Vitality 50 4T

Kymco Yager GT 50

Leike 50GY-2 - LK50GY-2

Lexmoto Echo 50 - LJ50QT-3L

Lexmoto FM 50 - WY50QT-111

Lexmoto FMR 50 - WY50QT-58R

Lexmoto Flash 50 - ZN50QT-15A

Lexmoto Milano 50 - FT50QT-27

Lexmoto Molly 50 - DFE50QT-3

Lexmoto Scout 49 - BT49QT-9LEX

Lexmoto Tommy 50 - ZN50QT-E

Lexmoto Tornado 50 - SB50QT-16(B08)

Lexmoto Valencia 50 - ZN50QT-K

Lifan 1P139QMB Engine

Lifan 50cc 139QMA Engine

Lifan 50cc 139QMB Engine

Lifan Aero 50 (4T) - LF50QT-26

Lifan Jet 50 - LF50QT-2A

Lifan LF50QT-15

Lifan LF50QT-2

Lifan LF50QT-4

Lifan LF50QT-7

Lifan LF50QT-8D - LF50QT-8D

Lifan LF50QT-9F

Lingben LB50QT-21 - LB50QT-21

Lintex HT50QT-12 - HT50QT-12(LINTEX)

Lintex HT50QT-16 - HT50QT-16

Lintex HT50QT-33 - HT50QT-33

Longjia LJ50QT-3L - LJ50QT-3L(LJ)

Longjia LJ50QT-3M - LJ50QT-3M

MKS Ecobike 50

MKS Ecobike Panter I - BT50QT-9(MKS)

Moto Zeta Rally 50 SC - RALLYSC

Nova Motors City Star - YY50QT(NM)

Nova Motors Retro Cruiser - YY50QT-21(NM)

Nova Motors Retro Star - YY50QT-15(NM)

Peugeot Speedfight 3 50 AC

Peugeot V-Clic - V-CLIC

Peugeot Vivacity 50

Pulse Force 50 - HT50QT-36

Pulse Lightspeed 2 50 - WY50QT-58

Pulse Lightspeed 50 - HT50QT-25

Pulse Phantom 50 - ZN50QT-32A

Pulse Rage 50 - LK50GY-2

Pulse Rhythm 50 - SB50QT-16

Pulse Scout 49 - BT49QT-9

Pulse Storm 50 - HT50QT-6

Pulse Tanco 49 - BT49QT-12

Pulse Tanco 50 - BT49QT-12

Pulse Zoom 50 - HT50QT-7

Qingqi QM50QT-6A - QM50QT-6A

Qingqi QM50QT-6A

Razzo Tanco 50 - BT49QT-12

Recto Retro - BT49QT-11

Rex 50cc 139QMA Engine

Rex 50cc 139QMB Engine

Rex Capriolo 50

Rex Flory 50

Rex Paseo 50

Rex RS425

Rex RS450 - RS450

Rex RS450

Rex RS500

Rex RS800

Rhon Phantom - LH50QT-9

Rieju Paseo 50

Rieju Toreo 50

SOLIFER Retro - BT49QT-11A3

Sachs 49ER

Sachs Bee 50

Sanben Tornado 50 - SB50QT-16(B08)

Scooter Devil Blue Dragon 50-4T - YB50QT-21(SD)

Scooter Devil Cruiser 50-4T - BQ50QT-40

Scooter Devil Mosquito 50-4T - YY50QT(SD)

Scooter Devil Warrior 50 - BQ50QT-21

Sinnis Falcon 50 - QM50QT-2

Skygo Top 1 - SG50QT-2A

Skygo Urban - SG50QT-2A

Spin GE50

Star Quad JL50QT-5 - JL50QT-5(STAR QUAD)

Sukida Lutetia - SK50QT-19

Sukida Roma - SK50QT-9

Sukida Top 1 - SK50QT

Sukida Viper 50 - SK50QT-21

Superbyke MPED 50 - MPED50

Sym Fiddle II S 50 4T

Sym Symphony 50 4T

Sym Symply II 50 4T

Tamoretti RETRO 50 - RETRO50

Template 139QMA 139QMB - 139QMA

Template BN139QMB - BN139QMB

Verucci 50 4T

Verucci Campus 50

Verucci Collegiate 50

Verucci Graduate 50

Verucci Hope 50

Verucci Schwinn 50

Verucci Sport 50

Viarelli Sprint - BT49QT-12C1

WK Bikes Bellissima 50 - HT50QT-12

WK Bikes GO50 - JJ50QT-3(WK)

WK Bikes Mii 50 - HT50QT-33(WK)

WK Bikes WASP 50 - JJ50QT-17(WK)

Wangye WY50QT-16 - WY50QT-16

Wangye WY50QT-16(B08) - WY50QT-16(B08)

Xingyue Phoenix 50 - LLX50QT

Xinling TXM50

Yamati GP1 (4T) - HZM50QT-16 4T

Yiben Hurricane 50 - YB50QT-9

Yiben Scout 50 - YB50QT-3

Yiben Storm 50 - YB50QT-6

Yiben YB50QT-21 - YB50QT-21

Zennco Matrix - WY50QT-16

Zhongshen 50cc 139QMA Engine

Zhongshen 50cc 139QMB Engine

Zhongshen Wind 50

Zhongshen ZS50QT-4

Zhongshen ZS50QT-5

Zhongshen ZS50QT-7

Zhongshen ZY50QT

Zing Bikes Echo 50cc - LF50QT-8D

Zipp Triad - BT49QT-12F1

Znen Flash 50 - ZN50QT-15A

Znen Speedy Streetfighter - ZN50QT-11

Znen Tommy 50 - ZN50QT-A

Znen ZN50QT-11 - ZN50QT-11

Znen ZN50QT-E - ZN50QT-E