50cc Scooter Exhaust Valve 139QMA 139QMB

Restore peak performance to your 50cc scooter's engine with this high-quality exhaust valve.

Designed to meet or exceed original equipment specifications, this valve ensures proper combustion and efficient exhaust gas expulsion.

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£14.49

Availability: In Stock
Code: VLVEX007 PLU: 5773 EAN: 5057645140696 Length: 64mm Head Diameter: 16mm Stem Diameter: 5mm Features: OEM Replacement Type: Exhaust Valve

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Description

"You should buy this Exhaust Valve"

Restore peak performance to your 50cc scooter's engine with this high-quality exhaust valve.

Designed to meet or exceed original equipment specifications, this valve ensures proper combustion and efficient exhaust gas expulsion.

Key Features:

  • Direct replacement for specified 139QMA and 139QMB engines.
  • Constructed with durable materials for longevity.
  • Ensures a tight seal for optimal compression.
  • Helps maintain engine power and fuel efficiency.

Upgrade your scooter's internals for a smoother, more powerful ride.

Product Diagrams
CYLINDER HEAD
Ref Item Name Price
1, 2, 3, 4, 27, 30 Rocker Cover
RKC070 x 4
£9.49 Soon
5 Upper Engine Cowl Seal 139QMA 139QMB
ENGCWL022 x 1
£3.99
6 50cc Scooter Rocker Cover Gasket 139QMA 139QMB
GSKRC020 x 1
£4.49
7 50cc Scooter Exhaust Valve 139QMA 139QMB
VLVEX007 x 1
£14.49
8 Cylinder Head Studs 6 x 32mm
STDCH041 x 1
£2.49
10 Lexmoto Scooter Camshaft
CMS001 x 1
£18.99
11 50cc Scooter Head Gasket
GSKH014 x 1
£7.99
12 Injector Holder
FLINJH028 x 1
£20.99
13 O-Ring 25 x 21 x 2mm
ORNG062 x 1
£1.99
14 50cc Scooter Cylinder Head 139QMA 139QMB
CYLH002 x 1
£46.99
15 NGK CR7HSA Spark Plug 4549
SPRK008 x 1
£8.99
16 50cc Scooter Inlet Valve 139QMA 139QMB
VLVIN007 x 1
£7.99
17 Inlet/Exhaust Valve Spring Retainer 22.5 16.8 x 0.8mm
VLVSR034 x 1
£1.99
18 50/100/125cc Valve Stem Oil Seal
VLVOS002 x 1
£3.49
19, 20 Valve Spring 139QMA 139QMB
VLVS005 x 1
£9.49
21 50/125cc Scooter Inlet/Exhaust Valve Spring Retainer
VLVSR005 x 1
£4.99
22 50cc Scooter Inlet/Exhaust Valve Collets 139QMA 139QMB
VLVC019 x 1
£1.99
23 Engine Dowel 8 x 14mm
DWL001 x 1
£4.99
24 Rocker Arm Assembly 139QMA 139QMB
RKASM004 x 1
£17.99
28 Breather Pipe
PPB058 x 1
£2.99
30 Cam Cover Breather Outlet
PPB024 x 1
£2.49
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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