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Gearbox Reduction Gear 139QMA 139QMB
GRRD035
£14.49
Description
The reduction gear in a motorcycle reduces the rotational speed of the starter motor output, increasing torque to drive the crankshaft, which helps optimize performance and manage power delivery.
This gearbox reduction gear will fit 50cc scooter engines with the following codes: 139QMA, 139QMB
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 | Apollo 10 [BT49QT-9(A10)] | |
| Apollo 12 [BT49QT-9(A12)] | ||
| BT49QT-9 | ||
| BT49QT-12 | ||
| BT50QT-9 | ||
| 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 | ||
| Tanco 50 2 | ||
| Tommy 50 [BT49QT-11] | ||
| Beeline | Veloce GT Race | |
| Veloce GT [VELOCEGT] | ||
| Benero | BT49QT-9 | |
| Benzhou | YY50QT | |
| YY50QT-10 | ||
| YY50QT-14 | ||
| YY50QT-15 | ||
| YY50QT-21 | ||
| CTM | CTM50QT-7 | |
| 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-16 | ||
| Eurocka | MATADOR 50 4T LED [JJ50QT-17(EUROCKA)] | |
| Flex Tech | Cityliner 50 [BT50QT-9(FLEX TECH)] | |
| Firenze 25/50 [YY50QT-21(FT)] | ||
| Hurrican X2 [JL50QT-4(FLEX TECH)] | ||
| Jive [BT49QT-11(FLEX TECH)] | ||
| Panter I [JL50QT-4(FT)] | ||
| Sprint 50 [BT49QT-9(FLEX TECH)] | ||
| Topdrive 50 [YY50QT-14(FT)] | ||
| VRR-50 [YY50QT-10C] | ||
| Venus II [HT50QT-6(FLEX TECH)] | ||
| 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 | JL50QT-5 | |
| JL50QT-6 | ||
| JL50QT-7 | ||
| Jonway | Agility 50 [YY50QT-6] | |
| Madness 50 [YY50QT-31] | ||
| Keeway | HURRICANE 50 (4T) [HURRICANE (4T)] | |
| Leike | 50GY-2 | |
| Lexmoto | Diablo 50 [LJ50QT-9M] | 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 | ||
| 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 | Aero 50 (4T) [LF50QT-26] | |
| Lingben | LB50QT-21 | |
| Lintex | HT50QT-12 | |
| HT50QT-16 | ||
| HT50QT-33 | ||
| Longjia | LJ50QT-3L | |
| LJ50QT-3M | ||
| LJ50QT-9L | ||
| 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)] | ||
| 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 | |
| Razzo | Tanco 50 | |
| Recto | Retro | |
| Rex | RS450 | |
| 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] | |
| Star Quad | JL50QT-5 | |
| Sukida | Lutetia [SK50QT-19] | |
| Roma [SK50QT-9] | ||
| Top 1 [SK50QT] | ||
| Viper 50 [SK50QT-21] | ||
| Superbyke | MPED 50 | |
| Tamoretti | Retro 50 | |
| Viarelli | Sprint | |
| WK Bikes | Bellissima 50 [HT50QT-12] | |
| GO50 [JJ50QT-3(WK)] | ||
| Mii 50 [HT50QT-33(WK)] | ||
| WASP 50 [JJ50QT-17(WK)] | ||
| Wangye | WY50QT-16 | |
| WY50QT-16(B08) | ||
| Xingyue | Phoenix 50 [LLX50QT] | |
| Yamati | GP1 (4T) [HZM50QT-16 4T] | |
| Yiben | Hurricane 50 [YB50QT-9] | |
| Scout 50 [YB50QT-3] | ||
| Storm 50 [YB50QT-6] | ||
| YB50QT-21 | ||
| Zennco | Matrix | |
| Zipp | Triad | |
| Znen | Flash 50 [ZN50QT-15A] | |
| Speedy Streetfighter | ||
| Tommy 50 [ZN50QT-A] | ||
| ZN50QT-11 | ||
| ZN50QT-E | ||
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