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50cc Scooter Inlet Valve 139QMA 139QMB
VLVIN007
Description
"Another great Inlet/Exhuast Valve"
The inlet valve in a motorcycle engine controls the entry of air and fuel mixture into the combustion chamber. It opens and closes in response to the engine's camshaft movements, allowing the air-fuel mixture to enter the cylinder during the intake stroke. Made from durable materials like stainless steel or heat-resistant alloys, the inlet valve must withstand high temperatures and pressures. Proper functioning of the inlet valve is crucial for efficient engine performance, smooth operation, and optimal fuel combustion.
Product Diagrams
| Ref | Item Name | Price | ||
|---|---|---|---|---|
| 1, 2, 3, 4, 27, 30 |  |
Rocker Cover RKC070 x 4
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| 5 |  |
Upper Engine Cowl Seal 139QMA 139QMB ENGCWL022 x 1
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| 6 |  |
50cc Scooter Rocker Cover Gasket 139QMA 139QMB GSKRC020 x 1
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| 7 |  |
50cc Scooter Exhaust Valve 139QMA 139QMB VLVEX007 x 1
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| 8 |  |
Cylinder Head Studs 6 X 32 STDCH041 x 1
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| 10 |  |
Lexmoto Scooter Camshaft CMS001 x 1
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| 11 |  |
50cc Scooter Head Gasket GSKH014 x 1
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| 12 |  |
Injector Holder FLINJH028 x 1
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| 13 |  |
O-Ring 25 x 21 x 2mm ORNG062 x 1
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| 14 |  |
50cc Scooter Cylinder Head 139QMA 139QMB CYLH002 x 1
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| 15 |  |
NGK CR7HSA Spark Plug 4549 SPRK008 x 1
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| 16 | |
50cc Scooter Inlet Valve 139QMA 139QMB VLVIN007 x 1
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| 17 |  |
Inlet/Exhaust Valve Spring Retainer 22.5 16.8 x 0.8mm VLVSR034 x 1
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| 18 |  |
50/100/125cc Valve Stem Oil Seal VLVOS002 x 1
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| 19, 20 |  |
Valve Spring 139QMA 139QMB VLVS005 x 1
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| 21 |  |
50/125cc Scooter Inlet/Exhaust Valve Spring Retainer VLVSR005 x 1
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| 22 |  |
50cc Scooter Inlet/Exhaust Valve Collets 139QMA 139QMB VLVC019 x 1
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| 23 |  |
Engine Dowel 8 x 14mm DWL001 x 1
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| 24 |  |
Rocker Arm Assembly 139QMA 139QMB RKASM004 x 1
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| 28 |  |
Breather Pipe PPB058 x 1
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| 30 |  |
Cam Cover Breather Outlet RKC069 x 1
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Soon |
Compatibility
| Manufacturer | Model | Diagram |
|---|---|---|
| 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-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 Ninja | |
| 50cc Retro | ||
| 50cc Sports | ||
| 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 | ||
| Haizhimeng | GP1 (4 Stroke) | |
| Hanglong | HL50QT-16 | |
| LB50QT-16 | ||
| Haotian | Bubble 50 [HT50QT-9] | |
| Huatian | HT50QT-10 | |
| Sport 50cc | ||
| IMF Industrie | New Pach 51 [NEWPACH51] | |
| Pach 51 [PACH51] | ||
| Two 4 [TWO4] | ||
| 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 |
| 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] | ||
| L5 [LJ50QT-7E-E55] | View parts diagram | |
| Molly 50 [DFE50QT-3] | ||
| Scout 49 [BT49QT-9LEX] | View parts diagram | |
| Tornado 50 | ||
| Vienna 50 [WY50QT-110] | 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 | ||
| Lintex | HT50QT-12 | |
| HT50QT-33 | ||
| Longjia | LJ50QT-3L | |
| LJ50QT-3M | ||
| LJ50QT-9L | ||
| MKS | Ecobike 50 | |
| MKS Ecobike | Panter I [BT50QT-9(MKS)] | |
| 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] | ||
| Rage 50 [LK50GY-2] | ||
| 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] | ||
| Superbyke | MPED 50 | |
| Sym | Fiddle II S 50 4T | |
| Symphony 50 4T | ||
| Symply II 50 4T | ||
| UM | Commando Classic 125 [UM125-CL] | View parts diagram |
| 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(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 | ||
| Zhongshen | 50cc 139QMA Engine | |
| 50cc 139QMB Engine | ||
| Wind 50 | ||
| ZS50QT-4 | ||
| ZS50QT-5 | ||
| ZS50QT-7 | ||
| ZY50QT | ||
| Zing Bikes | Echo 50cc [LF50QT-8D] | |
| Zipp | Triad | |
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