Chinese SCOOTER - cylinder kit AC GY6-125cc 52.4mm 4T: 
KYMCO AGILITY 4T / VITALITY / PEOPLE / SUPER 8 / BAOTIAN BT 125QT-2/7/12 / SONIK / SCOOD / LIFAN / ZIPP / VONROAD / BAOTIAN 
The 152QMI (GY6-125) is a horizontal, single-cylinder, four stroke, forced air cooled engine. This has a displacement of 124.5cc (157QMJ) has a bore size of 52.4mm and a stroke of 57.8mm. This engine is used on many scooters, dirt bikes, quads, ATVs, go karts, and buggies. 
Here are just a few of the many brands and models this very common engine is found on: 
Adly (Her Chee)-Cat 125 
Adly (Her Chee)-Mirage 125 
Adly (Her Chee)-Noble 125 
Adly (Her Chee)-Thunder Bike 125 
Adly (Her Chee)-Vanguard 125 
Adly (Her Chee)-Virtuality 125 
Baja-RT125 4T 
Baja-SC125 4T 
Baotian / BTM-BT125T-12C1 B010 
Baotian / BTM-BT125T-12E1 Rocky 
Baotian / BTM-BT125T-12F1 Tanco 
Baotian / BTM-BT125T-2A 
Baotian / BTM-BT125T-2B2 
Baotian / BTM-BT125T-3A2 
Baotian / BTM-BT125T-3A4 
Baotian / BTM-BT125T-3B6 
Baotian / BTM-BT125T-8A 
Baotian / BTM-BT125T-8B 
Beeline-Memory 125 
Benero-Adventure 125 
Benero-New Retro 125 
Benero-Retro 125 
Flex Tech-Athena 125 
Flex Tech-Cavallino 125 
Flex Tech-Cruiser 125 
Flex Tech-Dolphin 125 
Flex Tech-Firenze 125 
Flex Tech-Piacenza 125 
Flex Tech-Retro Firenze 125 
Flex Tech-Speedmax 125 
Flex Tech-Topspeed 125 
Fly Scooters-Cadenza 125 4T 
Fly Scooters-IL Bello 125 4T 
GARELLI 125 TM125T-28A NOI 2008/2009 
GARELLI 125 BT125T-3 MOSQUITO 2007/2008 
GARELLI 125 BT125T-7 COMFORT 2007/2008 
GARELLI 125 BT125T-2 TIGER 2007/2008 
GARELLI 125 TM125T-29A TIESSE 2008/2009 
GT Union Strada 125 
GT Union Tempesta 125 
GT Union Veloce 125 
Gorilla Motor Works-Black Jack II 125 4T 
Herkules-Mirage 125 
Herkules-Vanguard 125 
Herkules-Virtuality 125 
HUATIAN 125 HT125T-4 COBRA -2014 
JINLUN 125 JL125T-17 2008/2009 
JINLUN 125 JL125T-C 2008/2009 
JINLUN 125 JL125T-9 2008/2009 
JINLUN 125 JL125T-8 2008/2009 
JINLUN 125 JL125T-12 RUOTE 12/13 2008/2009 
JINLUN 125 JL125T-13 SPORTS RUOTE 13 2008/2009 
JINLUN 125 JL125T-10 RUOTE 10 -2014 
JINLUN 125 JL125T-12 RUOTE 10 -2014 
JINLUN 125 JL T-12 (GY6 152 QMI) 4T (150E-103) -2014 
JINLUN 125 JL125T-7 2009 
JINLUN 125 JL125T-13 FIGHTER RUOTE 13 2008/2009 
JINLUN 125 JL125T-5B 2008/2009 
JINLUN 125 JL125T-10 RUOTE 12/13 2008/2009 
JINLUN 125 JL125T-13 FIGHTER/SPORTS RUOTE 10 -2014 
JINLUN 125 JL125T-4 2008/2009 
JINLUN 125 JL125T-18 2008/2009 
JINLUN 125 JL125T-6 2008/2009 
Jmstar-Eagle 125 4T 
Jonway-125T-28 4T 
Jonway-Delta 125 4T 
Jonway-Epsilon YY125T-12 125 4T 
Jonway-YY125T-2 125 4T 
Keeway ARN 125 
Keeway F-Act 125 
Keeway Focus 125 
Keeway Matrix 125 
Keeway Zahara 125 
KYMCO 125 AGILITY 4T / E2 R12 2005/2006 
Kreidler RMC D125 125cc - 4T 
Kreidler RMC F125 125cc - 4T 
Kreidler-RMC D125 
Kreidler-RMC F125 
Lance-GS-R 125 4T 
Lance-Pheonix 125 4T 
Lance-Venice ZN125T-20 125 4T 
Lance-Vintage 125 4T 
Longbo-LB125QT-2 Voyager 125 4T 
Longbo-LB125T-12 Adventure 125 4T 
Longjia-LJ125T-A 
Massimo-SL125-18B 125 4T 
Massimo-SL125-6 125 4T 
Moto Zeta-Rally 125 
Motofino-MF125QT-10D 125 4T 
Motorro-Storm 125 
Motowell-Retrosa 125 
Motoworx-Gigant 125 
Motoworx-Titano 125 
MuZ / MZ-Moskito 125R 4T 
Nova Motors-City Star 125 
Nova Motors-Milano 125 
Nova Motors-Retro Cruiser 125 
Puma-Falcon ZN125T-18 125 4T 
Puma-Juliet 125 4T 
Puma-Romeo 125 4T 
Qingqi (Jinan Qingqi)-QM125T-10A 
Qingqi (Jinan Qingqi)-QM125T-10D 
Qingqi (Jinan Qingqi)-QM125T-10H 
Qingqi (Jinan Qingqi)-RS 1000 
Qingqi (Jinan Qingqi)-RS 1100 
Qingqi-QM125T-10H 
RS Ultima-Roadrunner 125 
RS Ultima-Super Sonic 125 
RS Ultima-Techno Classic Edition 125 
RS Ultima-Virtuality 125 
Roketa-Bali MC-13 125 4T 
Roketa-Capri MC-16 125 4T 
Schwinn-Hope 125 4T 
Schwinn-Newport 125 4T 
Simson-Sula 125 Thunder Bird 1999-2000 
SunL-SL125-18B 125 4T 
SunL-SL125-6 125 4T 
SYM (Sanyang) Fiddle 1 125 -09 AW12W-6 
SYM (Sanyang) Megalo 125 AK12W-6 
SYM (Sanyang) Orbit 1 125 -09 AV12W-6 
SYM (Sanyang) Super Duke 125 A125Q2 
SYM (Sanyang) Symply 1 125 -09 AV12W-6 
SYM (Sanyang) Symply 1 150 -09 
SYM (Sanyang) Tonik 125 FW11A1 
TNG-DR125 125 4T 
TNG-Low Boy 125 4T 
TNG-Milano 125 4T 
Tank-Racer 125 4T 
Tec Runner-Arvini 125 
Vento-Phantom 125 4T 
Znen-BWS 125 ZN125T-31 
Znen-Breeze 125 ZN125T-D 
Znen-Classic ZN125T-E 125 4T 
Znen-Click 125 ZN125T-43A 
Znen-Crystal 125 ZN125T-46A 
Znen-Emperor 2 125 ZN125T-46A 
Znen-F8 125 ZN125T-F 
Znen-F9 II 125 ZN125T-36A 
Znen-Falcon 7 125 ZN125T-7F 
Znen-Falcon 8 125 ZN125T-7G 
Znen-Honey 2 125 ZN125T-51 
Znen-Legend 125 ZN125T-E5 
Znen-Miro 125 ZN125T-23 
Znen-R-X 125 ZN125T-31A 
Znen-RX 125 ZN125T-31A 
Znen-Roar 4 125 ZN125T-39C 
Znen-Rocky 125 ZN125T-24 
Znen-Skylerk 125 
Znen-T6 125 ZN125T-57 
Znen-Velocity 125 ZN125T-42A 
Znen-Venice ZN125T-20 125 4T 
Znen-Vista 125 ZN125T-58 
Znen-X7 125 
Znen-Znen King 125 ZN125T-9 
Znen-Zoom 125 ZN125T-18 
Znen-Zoom 2 125 ZN125T-18A 
Also fits: 
Avanti Beta 125, Avanti Epsilon 125cc, Baja, Bemine 125 Touring, Diamo 125, Diamo, Velux 125, Genuine Blur 125, Genuine G-Max, Howhit 125, JMstar, Jonway, Jonway YY125T-2, Kinroad XT125T-8, Kymco, Lifan 125, Lifan L125T-7, Loncin 125, Longbo 125, Longbo LB125T-12, Mod Cycle 125, NST, Peace Sports 125, Primo "Strada" Streaker 125, Primo Terminator 125cc, Racer 125, RAD-10 125cc, Retro 125, Roketa, Roketa Fiji MC-04, Roketa Tahiti MC-03, Schwinn, Spiga 125cc, Strada 125CE, Strada Chrome Edition RX 125, Strada RX150TE, Strada RX200HP, Sunl, SYM, Tank, Tank 125cc (various models), Tank Racer 125, TNG, Tomos, Velux 125, Vento Phantom GT5 125cc, Vento Phantom R4I 125cc, Verucci Permier 125GTX SE, Verucci Viper 125GTX, VIP, Wangye 125, Wussi 125, Znen and many others... 
 
Similar to RMS No.: 100080390 / 100080391 
 
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