Model
-
- UM DSR SM 125 [UM125-DSM]
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50cc Scooter Piston 139QMA 139QMB
PST015
Description
"In the category of Pistons and Piston Kits, Pistons"
The piston in a motorcycle engine is a cylindrical component that moves up and down within the engine's cylinder. It plays a crucial role in the combustion process by transferring the force generated from burning fuel-air mixtures to the crankshaft, which ultimately drives the motorcycle.
Typically made from high-strength materials like aluminum or steel, pistons are designed to withstand high temperatures and pressures.
Compatibility
| Manufacturer | Model | Diagram |
|---|---|---|
| AJS | Modena 50 [ZN50QT-27] | |
| Alisze | FX50 50 CDI [YY50QT-15(ALISZE)] | |
| Jazy 50 CDI [YY50QT-21(ALISZE)] | ||
| Axory | Rallox [JSD50QT-13(AXORY)] | |
| BTM | BT49QT-9 | |
| BT49QT-12 | ||
| Sprint | ||
| Baotian | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Apollo 10 [BT49QT-9(A10)] | ||
| Apollo 12 [BT49QT-9(A12)] | ||
| BT49QT-7 Smart Rider 50 | ||
| BT49QT-9 | ||
| BT49QT-12 | ||
| BT49QT-12D | ||
| BT50QT-9 | ||
| BT50QT-11 | ||
| BT50 Rocky 50 | ||
| BT 125 T-12 Tanco/Rebel/Rocky | ||
| Big Panther 50 BT49QT-2 | ||
| Chase 49 [BT49QT-7] | ||
| Eagle 50 [BT49QT-9F3] | ||
| Eagle 50 GT [BT49QT-9F3(GT)] | ||
| Monza 50 [BT49QT-21A3] | ||
| Rebel 49 [BT49QT-12C1] | ||
| Rocky [BT49QT-12E1] | ||
| Scout 50 | ||
| Speedy 50 BT50QT-3N | ||
| Sprint 50 | ||
| Tanco 50 2 | ||
| Tommy 50 [BT49QT-11] | ||
| Warrior 50 BT50QT-12 | ||
| Beeline | Filly 50 4T | |
| Super 8 50 4T | ||
| Veloce GT Race | ||
| Veloce GT [VELOCEGT] | ||
| Benero | BT49QT-9 | |
| Benzhou | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| City Star 50 | ||
| YY50QT | ||
| YY50QT-6 | ||
| YY50QT-10 | ||
| YY50QT-14 | ||
| YY50QT-15 | ||
| YY50QT-21 | ||
| Buffalo | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Hero 50 | ||
| Spiker 50 | ||
| TVZ 50 | ||
| Tanco 50 | ||
| Warrior 50 | ||
| Wind 50 | ||
| CTM | CTM50QT-7 | |
| Chinese Scooter | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Chituma | CTM50QT-7 | |
| Direct Bikes | 50cc Milan E3 [DB50QT-30A] | |
| 50cc Ninja | ||
| 50cc Ninja E3 [DB50QT-15B] | ||
| 50cc Retro | ||
| 50cc Scorpion E3 [DB50QT-32A] | ||
| 50cc Sports | ||
| 50cc Tommy E3 [DB50QT-E] | ||
| 50cc Viper | ||
| 50cc Viper E3 [DB50QT-32] | ||
| DB50QT-5 | ||
| DB50QT-6 | ||
| DB50QT-7 | ||
| DB50QT-16 | ||
| DB50QT-25 | ||
| Epella | Contra 50 | |
| GMX 50 | ||
| Ering | Sprint 50 | |
| Eurocka | MATADOR 50 4T LED [JJ50QT-17(EUROCKA)] | |
| Explorer | Race GT50 | |
| Flex Tech | Cityliner 50 [BT50QT-9(FLEX TECH)] | |
| Dolphin 50 | ||
| Firenze 25/50 [YY50QT-21(FT)] | ||
| Fun 50 | ||
| Hurrican X1 X2 | ||
| Hurrican X2 [JL50QT-4(FLEX TECH)] | ||
| Jive [BT49QT-11(FLEX TECH)] | ||
| Panter I [JL50QT-4(FT)] | ||
| Speedy 50 | ||
| Sprint 50 [BT49QT-9(FLEX TECH)] | ||
| Topdrive 50 | ||
| Topdrive 50 [YY50QT-14(FT)] | ||
| Topspeed 50 | ||
| VRR-50 [YY50QT-10C] | ||
| Venus II | ||
| Venus II [HT50QT-6(FLEX TECH)] | ||
| GY6 | QT9 Scooters | |
| Garelli | Capri 50 | |
| Ciclone 50 | ||
| Guoben | Madness 50 [LB50QT-21] | |
| Haizhimeng | GP1 (4 Stroke) | |
| LB50QT-21 | ||
| Hanglong | HL50QT-16 | |
| LB50QT-16 | ||
| LB50QT-21 | ||
| Haotian | Bubble 50 [HT50QT-9] | |
| Huatian | HT50QT-10 | |
| HT50QT-16 | ||
| Sport 50cc | ||
| IMF Industrie | New Pach 51 [NEWPACH51] | |
| Pach 51 [PACH51] | ||
| Two 4 [TWO4] | ||
| JMSTAR | JSD50QT-13 | |
| Jack Fox | City Star [YY50QT(JF)] | |
| Retro Cruiser [YY50QT-21(JF)] | ||
| Retro Star [YY50QT-15(JF)] | ||
| Jiajue | MATADOR 50 [JJ50QT-17A] | |
| Revenge [JJ50QT-3] | ||
| Revenge [JJ50QT-3(A)] | ||
| Jinlun | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| JL50QT | ||
| JL50QT-5 | ||
| JL50QT-6 | ||
| JL50QT-7 | ||
| Star Quad 50 | ||
| Jonway | Agility 50 [YY50QT-6] | |
| Madness 50 [YY50QT-31] | ||
| Keeway | HURRICANE 50 (4T) [HURRICANE (4T)] | |
| Kreidler | Flory 50 | |
| Kymco | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Agility 50 | ||
| Dink 50 | ||
| Filly 50 | ||
| MMC 50 | ||
| Nexxon 50 | ||
| People 50 | ||
| Super 8 50 | ||
| Vitality 50 4T | ||
| Yager GT 50 | ||
| Leike | 50GY-2 | |
| Lexmoto | Diablo 50 E55 [LJ50QT-9M-E55] | View parts diagram |
| Echo 50 E4 [LJ50QT-5L] | View parts diagram | |
| Echo 50 Euro 5 [LJ50QT-9L-E5] | View parts diagram | |
| Echo 50 [LJ50QT-3L] | View parts diagram | |
| FM 50 [WY50QT-111] | View parts diagram | |
| FMR 50 [WY50QT-58R] | ||
| Flash 50 | ||
| L5 [LJ50QT-7E-E55] | View parts diagram | |
| Milano 50 [FT50QT-27] | View parts diagram | |
| Molly 50 [DFE50QT-3] | ||
| Scout 49 [BT49QT-9LEX] | View parts diagram | |
| Tommy 50 | ||
| Tommy 50 [ZN50QT-E] | ||
| Tornado 50 | ||
| Valencia 50 [ZN50QT-K] | View parts diagram | |
| Lifan | 1P139QMB Engine | |
| 50cc 139QMA Engine | ||
| 50cc 139QMB Engine | ||
| Aero 50 (4T) [LF50QT-26] | ||
| Jet 50 [LF50QT-2A] | ||
| LF50QT-2 | ||
| LF50QT-4 | ||
| LF50QT-7 | ||
| LF50QT-8D | ||
| LF50QT-9F | ||
| LF50QT-15 | ||
| Lingben | LB50QT-21 | |
| Lintex | HT50QT-12 | |
| HT50QT-16 | ||
| HT50QT-33 | ||
| Longjia | LJ50QT-3L | |
| LJ50QT-3M | ||
| LJ50QT-9L | ||
| MKS | Ecobike 50 | |
| MKS Ecobike | Panter I [BT50QT-9(MKS)] | |
| Moto Zeta | Rally 50 SC [RALLYSC] | |
| Nova Motors | City Star [YY50QT(NM)] | |
| Retro Cruiser [YY50QT-21(NM)] | ||
| Retro Star [YY50QT-15(NM)] | ||
| Peugeot | Speedfight 3 50 AC | |
| V-Clic [V-CLIC] | ||
| Vivacity 50 | ||
| Pulse | Force 50 [HT50QT-36] | |
| Lightspeed 2 50 [WY50QT-58] | ||
| Lightspeed 50 [HT50QT-25] | ||
| Phantom 50 [ZN50QT-32A] | ||
| Rage 50 [LK50GY-2] | ||
| Rhythm 50 [SB50QT-16] | ||
| Scout 49 | View parts diagram | |
| Storm 50 [HT50QT-6] | ||
| Tanco 49 | ||
| Tanco 50 | ||
| Zoom 50 [HT50QT-7] | ||
| Qingqi | QM50QT-6A | |
| QM50QT-6A | ||
| Razzo | Tanco 50 | |
| Recto | Retro | |
| Rex | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Capriolo 50 | ||
| Flory 50 | ||
| Paseo 50 | ||
| RS425 | ||
| RS450 | ||
| RS450 | ||
| RS500 | ||
| RS800 | ||
| Rhon | Phantom [LH50QT-9] | |
| Rieju | Paseo 50 | |
| Toreo 50 | ||
| Sachs | 49ER | |
| Bee 50 | ||
| Sanben | Tornado 50 [SB50QT-16(B08)] | |
| Scooter Devil | Blue Dragon 50-4T [YB50QT-21(SD)] | |
| Cruiser 50-4T [BQ50QT-40] | ||
| Mosquito 50-4T [YY50QT(SD)] | ||
| Warrior 50 [BQ50QT-21] | ||
| Sinnis | Falcon 50 [QM50QT-2] | |
| Skygo | Top 1 | |
| Urban | ||
| Spin | GE50 | |
| Star Quad | JL50QT-5 | |
| Sukida | Lutetia [SK50QT-19] | |
| Roma [SK50QT-9] | ||
| Top 1 [SK50QT] | ||
| Viper 50 [SK50QT-21] | ||
| Superbyke | MPED 50 | |
| Sym | Fiddle II S 50 4T | |
| Symphony 50 4T | ||
| Symply II 50 4T | ||
| Tamoretti | Retro 50 | |
| Verucci | 50 4T | |
| Campus 50 | ||
| Collegiate 50 | ||
| Graduate 50 | ||
| Hope 50 | ||
| Schwinn 50 | ||
| Sport 50 | ||
| Viarelli | Sprint | |
| WK Bikes | Bellissima 50 [HT50QT-12] | |
| GO50 [JJ50QT-3(WK)] | ||
| Mii 50 [HT50QT-33(WK)] | ||
| Wangye | WY50QT-16 | |
| WY50QT-16(B08) | ||
| Xingyue | Phoenix 50 [LLX50QT] | |
| Xinling | TXM50 | |
| Yamati | GP1 (4T) [HZM50QT-16 4T] | |
| Yiben | Hurricane 50 [YB50QT-9] | |
| Scout 50 [YB50QT-3] | ||
| Storm 50 [YB50QT-6] | ||
| YB50QT-21 | ||
| Zennco | Matrix | |
| Zhongshen | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Wind 50 | ||
| ZS50QT-4 | ||
| ZS50QT-5 | ||
| ZS50QT-7 | ||
| ZY50QT | ||
| Zing Bikes | Echo 50cc [LF50QT-8D] | |
| Zipp | Triad | |
| Znen | Flash 50 [ZN50QT-15A] | |
| Speedy Streetfighter | ||
| Tommy 50 [ZN50QT-A] | ||
| ZN50QT-11 | ||
| ZN50QT-E | ||
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