Description
Contents
Contents
Piston (TBC diameter)
Piston Rings
Head Gasket
Base Gasket
Cylinder Head (Valves Assembled)
Rocker Arm Assembly
Cylinder
Gudgeon Pin
Gudgeon Pin Clips (Pair)
IMPORTANT INFORMATION
IMPORTANT INFORMATION
This kit should be fitted by a qualified motorcycle mechanic.
You must inform your insurer of any changes to your vehicles specification.
You must inform the DVLA (or the equivalent organization in your country) to update your vehicles registration document. After modifying your vehicle you must ensure your licence entitlement is still valid.
Suitable for the following engine codes
139QMA
139QMB
Suitable for the following models
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 Apollo 10 - BT49QT-9(A10)
Baotian Apollo 12 - BT49QT-9(A12)
Baotian BT49QT-9 - BT49QT-9
Baotian BT50QT-9 - BT50QT-9
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 49 - BT49QT-9
Baotian Scout 50 - BT50QT-9
Baotian Tanco 49 - BT49QT-12
Baotian Tanco 50 2 - BT49QT-12
Baotian Tommy 50 - BT49QT-11
Beeline Veloce GT - VELOCEGT
Beeline Veloce GT Race - VELOCEGT
Benero BT49QT-9 - BT49QT-9D1
Benzhou YY50QT - YY50QT
Benzhou YY50QT-10 - YY50QT-10
Benzhou YY50QT-14 - YY50QT-14
Benzhou YY50QT-15 - YY50QT-15
Benzhou YY50QT-21 - YY50QT-21
CTM CTM50QT-7 - CTM50QT-7
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
Eurocka MATADOR 50 4T LED - JJ50QT-17(EUROCKA)
Flex Tech Cityliner 50 - BT50QT-9(FLEX TECH)
Flex Tech Firenze 25/50 - YY50QT-21(FT)
Flex Tech Hurrican X2 - JL50QT-4(FLEX TECH)
Flex Tech Jive - BT49QT-11(FLEX TECH)
Flex Tech Panter I - JL50QT-4(FT)
Flex Tech Sprint 50 - BT49QT-9(FLEX TECH)
Flex Tech Topdrive 50 - YY50QT-14(FT)
Flex Tech VRR-50 - YY50QT-10C
Flex Tech Venus II - HT50QT-6(FLEX TECH)
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 JL50QT-5 - JL50QT-5
Jinlun JL50QT-6 - JL50QT-6
Jinlun JL50QT-7 - JL50QT-7
Jonway Agility 50 - YY50QT-6
Jonway Madness 50 - YY50QT-31
Keeway HURRICANE 50 (4T) - HURRICANE (4T)
Kymco Agility 50 - AGILITY50
Leike 50GY-2 - LK50GY-2
Lexmoto Echo - LJ50QT-3L(ECHO)
Lexmoto FM50 - WY50QT-111
Lexmoto Flash 50 - ZN50QT-15A
Lexmoto Milano - 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 Aero 50 (4T) - LF50QT-26
Lifan Jet 50 - LF50QT-2A
Lifan LF50QT-8D - LF50QT-8D
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
Longjia LJ50QT-3M - LJ50QT-3M
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 V-Clic - V-CLIC
Pulse Force 50 - HT50QT-36
Pulse Lightspeed 2 50 - WY50QT-58
Pulse Phantom 50 - ZN50QT-32A
Pulse Rage 50 - LK50GY-2
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
Razzo Tanco 50 - BT49QT-12
Recto Retro - BT49QT-11
Rex RS450 - RS450
Rhon Phantom - LH50QT-9
SOLIFER Retro - BT49QT-11A3
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
Star Quad JL50QT-5 - JL50QT-5(STAR QUAD)
Sukida Lutetia - SK50QT-19
Sukida Roma - SK50QT-9
Superbyke MPED 50 - MPED50
Tamoretti RETRO 50 - RETRO50
Template 139QMA 139QMB - 139QMA
Template BN139QMB - BN139QMB
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(B08) - WY50QT-16(B08)
Xingyue Phoenix 50 - LLX50QT
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
Zhongyu ZY50QT-7 - ZY50QT-7
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
Vehicle Compatibility
Please check the exact model before ordering.
| Manufacturer |
Model |
Years |
Vehicle type |
| Alisze |
FX50 50 CDI [YY50QT-15(ALISZE)] |
Not specified |
Scooter |
| Alisze |
Jazy 50 CDI [YY50QT-21(ALISZE)] |
Not specified |
Scooter |
| Axory |
Rallox [JSD50QT-13(AXORY)] |
Not specified |
Scooter |
| BTM |
BT49QT-9 |
Not specified |
Scooter |
| BTM |
BT49QT-12 |
Not specified |
Scooter |
| BTM |
Sprint |
Not specified |
Scooter |
| Baotian |
Apollo 10 [BT49QT-9(A10)] |
Not specified |
Scooter |
| Baotian |
Apollo 12 [BT49QT-9(A12)] |
Not specified |
Scooter |
| Baotian |
BT49QT-9 |
Not specified |
Scooter |
| Baotian |
BT49QT-12 |
Not specified |
Scooter |
| Baotian |
BT50QT-9 |
Not specified |
Scooter |
| Baotian |
Chase 49 [BT49QT-7] |
Not specified |
Scooter |
| Baotian |
Eagle 50 [BT49QT-9F3] |
Not specified |
Scooter |
| Baotian |
Eagle 50 GT [BT49QT-9F3(GT)] |
Not specified |
Scooter |
| Baotian |
Monza 50 [BT49QT-21A3] |
Not specified |
Scooter |
| Baotian |
Rebel 49 [BT49QT-12C1] |
Not specified |
Scooter |
| Baotian |
Rocky [BT49QT-12E1] |
Not specified |
Scooter |
| Baotian |
Scout 50 |
Not specified |
Scooter |
| Baotian |
Tanco 50 2 |
Not specified |
Scooter |
| Baotian |
Tommy 50 [BT49QT-11] |
Not specified |
Scooter |
| Beeline |
Veloce GT Race |
Not specified |
Scooter |
| Beeline |
Veloce GT [VELOCEGT] |
Not specified |
Scooter |
| Benero |
BT49QT-9 |
Not specified |
Scooter |
| Benzhou |
YY50QT |
Not specified |
Scooter |
| Benzhou |
YY50QT-10 |
Not specified |
Scooter |
| Benzhou |
YY50QT-14 |
Not specified |
Scooter |
| Benzhou |
YY50QT-15 |
Not specified |
Scooter |
| Benzhou |
YY50QT-21 |
Not specified |
Scooter |
| CTM |
CTM50QT-7 |
Not specified |
Scooter |
| Chituma |
CTM50QT-7 |
Not specified |
Scooter |
| Direct Bikes |
50cc Milan E3 [DB50QT-30A] |
Not specified |
Scooter |
| Direct Bikes |
50cc Ninja |
Not specified |
Scooter |
| Direct Bikes |
50cc Ninja E3 [DB50QT-15B] |
Not specified |
Scooter |
| Direct Bikes |
50cc Retro |
Not specified |
Scooter |
| Direct Bikes |
50cc Scorpion E3 [DB50QT-32A] |
Not specified |
Scooter |
| Direct Bikes |
50cc Sports |
Not specified |
Scooter |
| Direct Bikes |
50cc Tommy E3 [DB50QT-E] |
Not specified |
Scooter |
| Direct Bikes |
50cc Viper E3 [DB50QT-32] |
Not specified |
Scooter |
| Direct Bikes |
DB50QT-16 |
Not specified |
Scooter |
| Eurocka |
MATADOR 50 4T LED [JJ50QT-17(EUROCKA)] |
Not specified |
Scooter |
| Flex Tech |
Cityliner 50 [BT50QT-9(FLEX TECH)] |
Not specified |
Scooter |
| Flex Tech |
Firenze 25/50 [YY50QT-21(FT)] |
Not specified |
Scooter |
| Flex Tech |
Hurrican X2 [JL50QT-4(FLEX TECH)] |
Not specified |
Scooter |
| Flex Tech |
Jive [BT49QT-11(FLEX TECH)] |
Not specified |
Scooter |
| Flex Tech |
Panter I [JL50QT-4(FT)] |
Not specified |
Scooter |
| Flex Tech |
Sprint 50 [BT49QT-9(FLEX TECH)] |
Not specified |
Scooter |
| Flex Tech |
Topdrive 50 [YY50QT-14(FT)] |
Not specified |
Scooter |
| Flex Tech |
VRR-50 [YY50QT-10C] |
Not specified |
Scooter |
| Flex Tech |
Venus II [HT50QT-6(FLEX TECH)] |
Not specified |
Scooter |
| Guoben |
Madness 50 [LB50QT-21] |
Not specified |
Scooter |
| Haizhimeng |
GP1 (4 Stroke) |
Not specified |
Scooter |
| Haizhimeng |
LB50QT-21 |
Not specified |
Scooter |
| Hanglong |
HL50QT-16 |
Not specified |
Scooter |
| Hanglong |
LB50QT-16 |
Not specified |
Scooter |
| Hanglong |
LB50QT-21 |
Not specified |
Scooter |
| Haotian |
Bubble 50 [HT50QT-9] |
Not specified |
Scooter |
| Huatian |
HT50QT-10 |
Not specified |
Scooter |
| Huatian |
HT50QT-16 |
Not specified |
Scooter |
| Huatian |
Sport 50cc |
Not specified |
Scooter |
| IMF Industrie |
New Pach 51 [NEWPACH51] |
Not specified |
Scooter |
| IMF Industrie |
Pach 51 [PACH51] |
Not specified |
Scooter |
| IMF Industrie |
Two 4 [TWO4] |
Not specified |
Scooter |
| JMSTAR |
JSD50QT-13 |
Not specified |
Scooter |
| Jack Fox |
City Star [YY50QT(JF)] |
Not specified |
Scooter |
| Jack Fox |
Retro Cruiser [YY50QT-21(JF)] |
Not specified |
Scooter |
| Jack Fox |
Retro Star [YY50QT-15(JF)] |
Not specified |
Scooter |
| Jiajue |
MATADOR 50 [JJ50QT-17A] |
Not specified |
Scooter |
| Jiajue |
Revenge [JJ50QT-3] |
Not specified |
Scooter |
| Jiajue |
Revenge [JJ50QT-3(A)] |
Not specified |
Scooter |
| Jinlun |
JL50QT-5 |
Not specified |
Scooter |
| Jinlun |
JL50QT-6 |
Not specified |
Scooter |
| Jinlun |
JL50QT-7 |
Not specified |
Scooter |
| Jonway |
Agility 50 [YY50QT-6] |
Not specified |
Scooter |
| Jonway |
Madness 50 [YY50QT-31] |
Not specified |
Scooter |
| Keeway |
HURRICANE 50 (4T) [HURRICANE (4T)] |
Not specified |
Scooter |
| Leike |
50GY-2 |
Not specified |
Scooter |
| Lexmoto |
Echo 50 [LJ50QT-3L] |
Not specified |
Scooter |
| Lexmoto |
FM 50 [WY50QT-111] |
Not specified |
Scooter |
| Lexmoto |
Flash 50 |
Not specified |
Scooter |
| Lexmoto |
Milano 50 [FT50QT-27] |
Not specified |
Scooter |
| Lexmoto |
Molly 50 [DFE50QT-3] |
Not specified |
Scooter |
| Lexmoto |
Scout 49 [BT49QT-9LEX] |
Not specified |
Scooter |
| Lexmoto |
Tommy 50 |
Not specified |
Scooter |
| Lexmoto |
Tommy 50 [ZN50QT-E] |
Not specified |
Scooter |
| Lexmoto |
Tornado 50 |
Not specified |
Scooter |
| Lexmoto |
Valencia 50 [ZN50QT-K] |
Not specified |
Scooter |
| Lifan |
Aero 50 (4T) [LF50QT-26] |
Not specified |
Scooter |
| Lifan |
Jet 50 [LF50QT-2A] |
Not specified |
Scooter |
| Lifan |
LF50QT-8D |
Not specified |
Scooter |
| Lingben |
LB50QT-21 |
Not specified |
Scooter |
| Lintex |
HT50QT-12 |
Not specified |
Scooter |
| Lintex |
HT50QT-16 |
Not specified |
Scooter |
| Lintex |
HT50QT-33 |
Not specified |
Scooter |
| Longjia |
LJ50QT-3L |
Not specified |
Scooter |
| Longjia |
LJ50QT-3M |
Not specified |
Scooter |
| MKS Ecobike |
Panter I [BT50QT-9(MKS)] |
Not specified |
Scooter |
| Moto Zeta |
Rally 50 SC [RALLYSC] |
Not specified |
Scooter |
| Nova Motors |
City Star [YY50QT(NM)] |
Not specified |
Scooter |
| Nova Motors |
Retro Cruiser [YY50QT-21(NM)] |
Not specified |
Scooter |
| Nova Motors |
Retro Star [YY50QT-15(NM)] |
Not specified |
Scooter |
| Peugeot |
V-Clic [V-CLIC] |
Not specified |
Scooter |
| Pulse |
Force 50 [HT50QT-36] |
Not specified |
Scooter |
| Pulse |
Lightspeed 2 50 [WY50QT-58] |
Not specified |
Scooter |
| Pulse |
Phantom 50 [ZN50QT-32A] |
Not specified |
Scooter |
| Pulse |
Rage 50 [LK50GY-2] |
Not specified |
Scooter |
| Pulse |
Scout 49 |
Not specified |
Scooter |
| Pulse |
Storm 50 [HT50QT-6] |
Not specified |
Scooter |
| Pulse |
Tanco 49 |
Not specified |
Scooter |
| Pulse |
Tanco 50 |
Not specified |
Scooter |
| Pulse |
Zoom 50 [HT50QT-7] |
Not specified |
Scooter |
| Qingqi |
QM50QT-6A |
Not specified |
Scooter |
| Razzo |
Tanco 50 |
Not specified |
Scooter |
| Recto |
Retro |
Not specified |
Scooter |
| Rex |
RS450 |
Not specified |
Scooter |
| Rhon |
Phantom [LH50QT-9] |
Not specified |
Scooter |
| Sanben |
Tornado 50 [SB50QT-16(B08)] |
Not specified |
Scooter |
| Scooter Devil |
Blue Dragon 50-4T [YB50QT-21(SD)] |
Not specified |
Scooter |
| Scooter Devil |
Cruiser 50-4T [BQ50QT-40] |
Not specified |
Scooter |
| Scooter Devil |
Mosquito 50-4T [YY50QT(SD)] |
Not specified |
Scooter |
| Scooter Devil |
Warrior 50 [BQ50QT-21] |
Not specified |
Scooter |
| Sinnis |
Falcon 50 [QM50QT-2] |
Not specified |
Scooter |
| Skygo |
Top 1 |
Not specified |
Scooter |
| Skygo |
Urban |
Not specified |
Scooter |
| Star Quad |
JL50QT-5 |
Not specified |
Scooter |
| Sukida |
Lutetia [SK50QT-19] |
Not specified |
Scooter |
| Sukida |
Roma [SK50QT-9] |
Not specified |
Scooter |
| Superbyke |
MPED 50 |
Not specified |
Scooter |
| Tamoretti |
Retro 50 |
Not specified |
Scooter |
| Viarelli |
Sprint |
Not specified |
Scooter |
| WK Bikes |
Bellissima 50 [HT50QT-12] |
Not specified |
Scooter |
| WK Bikes |
GO50 [JJ50QT-3(WK)] |
Not specified |
Scooter |
| WK Bikes |
Mii 50 [HT50QT-33(WK)] |
Not specified |
Scooter |
| Wangye |
WY50QT-16(B08) |
Not specified |
Scooter |
| Xingyue |
Phoenix 50 [LLX50QT] |
Not specified |
Scooter |
| Yamati |
GP1 (4T) [HZM50QT-16 4T] |
Not specified |
Scooter |
| Yiben |
Hurricane 50 [YB50QT-9] |
Not specified |
Scooter |
| Yiben |
Scout 50 [YB50QT-3] |
Not specified |
Scooter |
| Yiben |
Storm 50 [YB50QT-6] |
Not specified |
Scooter |
| Yiben |
YB50QT-21 |
Not specified |
Scooter |
| Zing Bikes |
Echo 50cc [LF50QT-8D] |
Not specified |
Scooter |
| Zipp |
Triad |
Not specified |
Scooter |
| Znen |
Flash 50 [ZN50QT-15A] |
Not specified |
Scooter |
| Znen |
Tommy 50 [ZN50QT-A] |
Not specified |
Scooter |
| Znen |
ZN50QT-E |
Not specified |
Scooter |
