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You are here: Home > Parts Department > Scooter Parts > 50cc Scooter Parts
In this category you can find the most common parts for 50cc four stoke Chinese scooters.
Most Chinese scooters use universal parts that fit many different scooter models and brands.
The most common engine model used on Chinese 50cc scooters is the QMB139 four stroke engine.
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Air Filter - 4 Stroke 38mm HP Air Filter - 4Stroke 38mm HP Foam Air Filter - Shield 35mm 90 Degree
Our Price: $19.95
Our Price: $19.95
Our Price: $24.00
Flange Inside Diameter: 1.49 inch (38 mm) Flange Inside Diameter: 1.49 inch (38 mm) Flange Inside Diameter: 1.37 inch (35 mm)
Air Filter - Shield 42mm Air Filter - Shield 44mm (blue) Battery - 3 A BS
Our Price: $18.95
Our Price: $19.95
Our Price: $39.99
Sale Price: $34.95
You Save $5.04
Battery - Yuasa, Made in the USA
Flange Inside Diameter: 1.65 inch (42 mm) Flange Inside Diameter: 1.73 inch (44 mm)
Battery - 7 A BS Battery - 9 A BS Belt - 669-18-30 (Short Case Version)
Our Price: $49.99
Sale Price: $39.95
You Save $10.04
Our Price: $59.99
Sale Price: $49.95
You Save $10.04
Our Price: $28.99
Battery - Yuasa, Made in the USA Battery - Yuasa, Made in the USA QMB139 Belt 669-18-30 (Short Version)
Dimensions: 5.875" x 3.75" x 3.375"
Voltage - 12v
Capacity - 6Ah
Weight - 2.5 Kg
Charging Current - 0.6 A
Dimensions: 5 7/8" x 4" x 3 3/8"
Voltage - 12v
Capacity - 9Ah
Weight - 2.5 Kg
Charging Current - 0.9A

GTX9A-BS
Belt Size:
669 mm Length
18 mm Width
30 degree tooth angle

FAQ: How do I know if I have a long or short case? The long case measures 17" and the Short case measures 15 7/8" these measurements are base on where the gasket sits on your cvt cover.
Belt - 729-17.5-30 (Long Case Version) Big Bore kit 50 to 80cc Upgrade - 139QMB Brake Cable - 74 inch
Our Price: $36.99
Our Price: $159.95
Our Price: $23.00
QMB139 Belt 729-17.5-30 (Long Version) Brake cable overall length: 74 inches/ 198.12cm
Belt Size:
729 mm Length
17.5 mm Width
30 degree tooth angle

Compatible with the 729-17-30 belt size.

FAQ: How do I know if I have a long or short case? The long case measures 17" and the Short case measures 15 7/8" these measurements are base on where the gasket sits on your cvt cover.
Need more acceleration and top speed or just simply need to rebuild you head? If yes, then you need to upgrade your 50cc to an 80cc with this big bore kit. Fits the 50cc 139QMB engine.

Click on image for more info
Brake cable overall length: 74 inches/ 188 cm / 1880 mm
Brake Cable - 78 inch Brake Lever - Hydraulic Brake Lever (Right Side) Brake Lever - Left Brake
Our Price: $23.00
Our Price: $9.95
Our Price: $14.95
Brake Cable - Rear Right Hydraulic Brake Lever Lever - Left Brake
Brake cable overall length: 78 inches/ 198.12cm Right Hydraulic Brake Lever Scooter Left Brake Lever. Compatible with many scooters that use the same style lever.
Brake Lever Switch Brake Pads - YL-F013 Brake Pads - YL-F007 (45 x 41 x 7mm)
Our Price: $4.49
Our Price: $9.95
Our Price: $9.95
Scooter brake pads
Universal brake lever switch for scooters, dirt bikes, atvs and more....

Specifications:
Switch Diameter- 8mm
Switch Length- 31mm
Overall Length- 425.25 mm(16-3/4")
Switch Pin Diameter- 3mm
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.

Click on image for more details.
Brake Pads - YL-F009 (92 x 42 x 7.5mm) Brake Pads - YL-F010 (72 x 42 x 9mm) Brake Pads - YL-F011 (60 x 44 x 9mm)
Our Price: $9.95
Our Price: $9.95
Our Price: $9.95
Scooter Brake Pads - YL-F009 Scooter Brake Pads - YL-F010 Scooter Brake Pads - YL-F011
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.
Click on image for more details.
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.
Click on image for more details.
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.
Click on image for more details.
Brake Pads - YL-F021A (85 x 40 x 9mm) Brake Pads - YL-F032 (61 x 27 x 7mm) Brake Shoes - Drum Style for 139QMB 50cc Scooters
Our Price: $9.99
Our Price: $9.95
Our Price: $17.99
Scooter brake pads Scooter Brake Pads - YL-F032 Brake pads for QMB139 50cc Scooters
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.
Click on image for more details.
Brake pads for the scooters, buggies and other vehicles that use the same style brake pads.
Click on image for more details.
Specifications:
Outer Diameter: 106mm
Thickness: 25mm
Breather Canister Carburetor - 139QMB 50cc (Kunfu Brand) Carburetor Bowl Gasket - 139QMB 50cc
Our Price: $19.95
Our Price: $59.99
Our Price: $2.70
QMB139 50cc Carburetor
Breather canister for engine breather tube. Stock Carburetor for the 49/50cc 139QMB 4-stroke engines.

Specifications:
Diameter: 38.5mm / 1.5 inches
Brand: KUNG FU
Carburetor bowl gasket set for QMB139 50cc carburetor.
Carburetor Electric Choke, 50cc, 125c and 150cc Carburetor Intake Manifold - 139QMB 50cc Carburetor Intake Manifold Insulator - 139QMB 50cc
Our Price: $14.99
Our Price: $19.95
Our Price: $2.99
QMB139 50cc Intake Manifold Insulator
Electric choke for the QMB 50cc and the GY6 125/150cc carburetors. Specifications:
Mounting Holes Spacing: 45mm (center to center)
Intake Metal side: 18mm
Intake Rubber Side: 27mm

Carburetor Kit - OKO High Performance 21mm Carburetor - 139QMB 50-80cc Carburetor OKO 21mm High Performance Carburetor Carburetor OKO 24mm High Performance Carburetor
Our Price: $149.95
Our Price: $89.99
Our Price: $89.99
Carburetor - High Performance Carburetor for GY6, 125/150cc, Four Stroke OKO 21mm High Performance Carburetor OKO 24mm High Performance Carburetor
This carburetor is designed for 139QMB 50-80cc style motors. It is used mostly on Scooters and Mopeds. The carburetor has a 21mm intake diameter

Brand: OKO

Kit Includes:
OKO Carburetor 21mm
Chrome Intake Manifold
Throttle Cable

Carburetor Rebuild Kit - 139QMB 50cc CDI - 139QMB 50cc CDI - High Performance racing CDI for the GY6 50/125/150cc engines (AW Mini Moto)
Our Price: $19.95
Our Price: $14.95
Our Price: $52.00
Carburetor Rebuild Kit - QMB139 50cc CDI Assembly
Click on image for more info CDI assembly for the 139QMB 50cc engine High Performance Racing CDI for the GY6 125/150cc engines.
Increases your acceleration and midrange rpms.
CDI - High Performance racing CDI for the GY6 50cc, 125cc and 150cc engines CDI - Rev Power High Performance CDI for the GY6 50cc, 125cc and 150cc engines Clutch (Stock) w/HP 2000 rpm springs -139QMB
Our Price: $48.00
Our Price: $59.95
Our Price: $34.95
RACING CDI for the GY6 125/150cc engines RACING CDI for the GY6 125/150cc engines QMB139 Clutch
High Performance Racing CDI for the  139QMB 50cc, GY6 125cc and GY6 150cc engines.
Increases your acceleration and mid-range rpms.
Rev Power high performance racing CDI for the  139QMB 50cc, GY6 125cc and GY6 150cc engines.
Increases your acceleration and mid-range rpms as well as top end.
Stock clutch with 2000 rpm springs for the 139QMB.

This stock clutch comes with 2000 rpm clutch springs installed.

Specifications:
Inner Diameter: 24mm (Short Point)
Inner Diameter: 28mm (Long Point)
Outer Clutch Pads Diameter: 106mm
Clutch and bell housing Assembly (Stock) - 139QMB 50cc Clutch Bell - 139QMB and Honda Dio 50cc (High Performance) Clutch Bell/Drum - 139QMB 50cc
Our Price: $49.95
Our Price: $34.95
Our Price: $19.95
QMB139 Clutch Bell Housing QMB139 Clutch Bell / Drum
Clutch bell housing and clutch assembly for Chinese street legal scooters.  This clutch bell housing and clutch assembly fits the 139QMB engine. HP Clutch Bell for the 139QMB and Honda Dio 50cc engines. Specifications:
Outer Diameter: 115mm
Inner Diameter: 107 mm
Center Hole Diameter: 12mm
Clutch Pads - High Performance Clutch 139QMB 50cc and Honda DIO Clutch Spring set - 139QMB 50cc High Performance (1000 RPM) Clutch Spring set - 139QMB 50cc High Performance (1500 RPM)
Our Price: $59.99
Our Price: $9.95
Our Price: $9.95
Clutch Spring set - DIO/QMB 50cc High Performance (1500 RPM)
Performance Racing Clutch for the 139QMB 49.5/50cc and Honda DIO engine. High performance clutch springs for the GY6 / 139QMB 50cc engine.
Fits the Honda DIO and 50cc Chinese scooters.
High performance clutch springs for the GY6 / 139QMB 49cc engine.
Fits the Honda DIO and 50cc Chinese scooters.
Clutch Spring set - 139QMB 50cc High Performance (2000 RPM) Clutch Torque Spring - (1000 rpm) 139QMB & DIO 50cc High Performance Clutch Torque Spring - (1500 rpm) 139QMB & DIO 50cc High Performance
Our Price: $9.95
Our Price: $18.99
Our Price: $18.99
Clutch Torque Spring - (1000 rpm) DIO 50cc High Performance Clutch Torque Spring - (1500 rpm) DIO 50cc High Performance
High performance clutch springs for the GY6 / 139QMB 50cc engine. Click on image for more info Click on image for more info
Clutch Torque Spring - (2000 rpm) 139QMB & DIO 50cc High Performance Controller - Left controller with switches and brake lever Controller - Start Button and Headlight Switch Assembly (Right Side)
Our Price: $18.99
Our Price: $29.95
Our Price: $35.00
Clutch Torque Spring - (2000 rpm) DIO 50cc High Performance Left controller with switches and brake lever Start Button and Headlight Switch Assembly
Click on image for more info Left controller with switches and brake lever Start button and headlight switch assembly for the Cyclone street legal scooter.
Controller - Turn Signal, Horn and High/ Low Beam Switch Assembly (Left Side) Cooling Fan (Stock) - 139QMB Cylinder Head Rebulid Kit - 139QMB
Our Price: $35.00
Our Price: $5.99
Our Price: $69.99
Turn Signal, Horn and High/ Low Beam Switch Assembly QMB139 Cooling Fan
Turn signal, horn and high/ low beam switch assembly for the Cyclone street legal scooter. Cylinder head rebuild kit for GY6 / 139QMB 50cc engine. Includes : Cylinder Head, Cam Shaft, Rocker Arms, Valves and Gaskets. Kit comes with valves installed as shown in the picture.
Exhaust - QMB 50cc High Performance Exhaust (Carbon Fiber) Exhaust - QMB 50cc High Performance Exhaust (Chrome) Exhaust Gasket - 30mm Copper O-Ring
Our Price: $208.99
Our Price: $199.95
Our Price: $1.99
Gasket - 30mm copper o-ring gasket
Click on image for more info.
Exhaust Gasket - 32mm Copper O-Ring Fig. 12 / Part No. 17
139QMB Gear Box Brake Pin
Fig. 3 / Part No. 18
139QMB Cam Chain
Our Price: $1.99
Our Price: $5.99
Our Price: $13.99
Gasket - 32mm copper o-ring gasket QMB139 50cc Gear Box Brake Pin QMB139 Cam Chain
Click on image for more info.

Fig. 6 / Part No. 04
139QMB 50cc Clutch (Stock)
Flasher Fuel Filter
Our Price: $29.95
Our Price: $6.95
Our Price: $5.95
QMB139 Clutch Flasher Fuel Filter
Stock Clutch for the QMB139 engine.

Specifications:
Inner Diameter: 24mm (Short Point) / 0.9449 inches
Inner Diameter: 28mm (Long Point) / 1.102 inches
Outer Clutch Pads Diameter: 100 mm / 4 inches
Turn signal flasher for the Cyclone street legal scooter or other similar models with a 139QMB engine. Fuel line filter to provide cleaner fuel to the engine which Prolongs engine and carburetor life

Fits all bikes with a 3/16 to 1/4 fuel line hole.
Fuel Line - Colored Fuel Sensor Unit - Float Fuel Sensor Unit - Float
Our Price: $7.99
Our Price: $29.95
Our Price: $29.95
Fuel Sensor Unit - Float Fuel Sensor Unit - Float
Specifications:
Total Length: 39 inches
Fuel Line hole: 3/16 to 1/4

Colors: Neon Yellow, Neon Green, Neon Red and Blue
Float unit, sensor and wiring for the Cyclone street legal scooter or other similar models with the 139QMB Engine. Float unit, sensor and wiring for the Cyclone street legal scooter or other similar models with the 139QMB Engine.
Fuel Vacuum Pump Gasket Set - QMB 50cc (Long Case Version 17 inch) Gasket Set - QMB 50cc (Short Case Version 15 7/8 inch)
Our Price: $21.95
Our Price: $15.99
Our Price: $15.99
Scooter Fuel Vacuum Pump
Universal fuel pump. Works on vacuum. Click on image for more info. Click on image for more info.
Gasket Set - QMB 60cc (Complete) Head Light Head Light
Our Price: $20.00
Our Price: $49.95
Our Price: $49.95
head light for scooter Head Light for 50cc / 150cc scooters.
Complete Gasket set for GY6 / 139QMB 60cc engine Includes light bulb. Includes light bulb.
Horn Assembly Ignition Coil (High Performance) - QMB 50 to GY6 150cc Ignition Coil (Stock) - QMB 50 to GY6 150cc
Our Price: $3.95
Our Price: $29.95
Our Price: $19.99
Horn Assembly COIL FOR GY6 RED Ignition Coil
Horn for the Cyclone street legal scooter. High performance ignition coil for the 50cc - 150cc 139QMB and GY6 engines.

Specifications:
Length: 17 inches
Ignition coil for the 4-stroke Chinese street legal scooters. Ignition coil fits the 139QMB/ GY6 125/150cc engine.
Jonway 50QT-6 Rim (fits 3.50-10 tire)
Front rim: Disc brake style
Jonway 50QT-6 Rim (fits 3.50-10 tire)
Rear rim: Drum brake style
Key - Blank key for Chinese scooters and pocket bikes
Our Price: $74.95
Our Price: $74.95
Our Price: $3.95
Blank key for Chinese scooters and pocket bikes
Blank key for Chinese scooters and pocket bikes
Key Switch Group - A Key Switch Group - B Key Switch Group - C
Our Price: $29.95
Our Price: $49.95
Our Price: $49.95
Key switch assembly Key Switch Group Complete key switch set.
Complete lock and key replacement group for the ignition switch, trunk lock and fuel cap for the Cyclone street legal scooter and other scooter that use the same style key switch. Complete lock and key replacement group for the ignition switch, trunk lock and fuel cap for the Cyclone street legal scooter. Complete key switch set.

Includes:
Ignition switch
Trunk Lock
Kick Stand Kick Start (stock) - 139QMB 50cc Kick Start - QMB 50 to GY6 150cc
Our Price: $19.95
Our Price: $19.99
Our Price: $29.95
QMB139 Kick Start KICK STARTER 50cc GY6 CHROME
Specifications:
Length: 8.25 inch
Universal Mount
Anodized aluminum kick start.

Fits the QMB130 50cc and the GY6 125 and 150cc engines.

Specifications:
Shaft Hole Diameter: 13mm
Overall Length: 160mm

Colors: Red


LIGHT BULB - 12 V 10 W LIGHT BULB - 12 V 23 W LIGHT BULB - 12 V 25/25 W
Our Price: $1.08
Our Price: $1.20
Our Price: $3.24
LIGHT BULB  12 V  10 W LIGHT BULB  12 V  23 W LIGHT BULB  12 V  25/25 W
LIGHT BULB  12 V  10 W LIGHT BULB  12 V  23 W LIGHT BULB  12 V  25/25 W
LIGHT BULB - 12 V 35/35 W Light Bulb - 12v 18w Light Bulb - 12v 21/5w
Our Price: $2.99
Our Price: $2.45
Our Price: $2.35
LIGHT BULB  12 V  35/35 W
LIGHT BULB  12 V  35/35 W

Specifications:
Width Metal portion: .75 inch
Length Metal portion: under 1 inch
Length of Entire Light bulb: 2.5 inch
Light Bulb 12v 18w.

Specifications:
12v 18w
Glass Diameter: 14mm
Glass Length: 27mm
Metal Diameter: 15mm
Metal Depth: 16mm
Tail Light Bulb 12v 21/5w.

Specifications:
12v 21/5w
Glass Diameter: 25mm
Glass Length: 30mm
Metal Diameter: 15mm
Metal Depth: 17mm
Light Bulb - 12v 35/35w Light Bulb - 12v 35/35w (H4 Halogen Bulb) Light Bulb - 12V 60/55W (H4 Halogen Bulb)
Our Price: $3.95
Our Price: $7.95
Our Price: $9.48
LIGHT BULB  12 V  35/35 W H4 HALOGEN BULB 12V 35/35W - GY6 H4 HALOGEN BULB 18V 45/45W GY6
Light Bulb 12v 35/35w.

Specifications:
12v 35/35w
Glass Diameter: 35mm
Metal Diameter: 20mm
Metal Depth: 22mm

Specifications:
12v 35/35w
Glass Diameter: 13.5mm
Glass Length: 32mm
Metal Diameter: 43mm
3 Prongs

If you have a 12v 18/18w you can use this one to upgrade and see better at night.

Fits all types of scooters, atvs and other vehicles that use the same style bulb. 

H4 HALOGEN BULB 12V 60/55W - GY6
3 prong
LIGHT BULB - 6 V 3 W LIGHT BULB - 6 V 3 W LIGHT BULB - 6 V 5 W
Our Price: $0.96
Our Price: $1.32
Our Price: $0.96
LIGHT BULB  6 V  3 W LIGHT BULB  6 V  3 W LIGHT BULB  6 V  5 W
LIGHT BULB  6 V  3 W LIGHT BULB  6 V  3 W LIGHT BULB  6 V  5 W
LIGHT BULB - 6V 10/3 W LIGHT BULB - 6v 25/25w LIGHT BULB - B-TYPE 12V 60/60 W
Our Price: $1.08
Our Price: $2.16
Our Price: $2.95
LIGHT BULB 6V 10/3 W light bulb 6v 25/25w LIGHT BULB B-TYPE
LIGHT BULB 6V 10/3 W light bulb 6v 25/25w LIGHT BULB B-TYPE
12 volt 60/60 watt.
LIGHT BULB - S-TYPE LIGHT BULB - TAIL LAMP LIGHT BULB - Y-TYPE
Our Price: $2.38
Our Price: $2.38
Our Price: $2.38
LIGHT BULB S-TYPE LIGHT BULB TAIL LAMP LIGHT BULB Y-TYPE
LIGHT BULB S-TYPE LIGHT BULB TAIL LAMP LIGHT BULB Y-TYPE
Luggage Box - Model 1 Luggage Box - Model 2 Magneto/Stator - 139QMB 50cc
Our Price: $89.99
Sale Price: $59.95
You Save $30.04
Our Price: $84.99
Sale Price: $49.95
You Save $35.04
Our Price: $39.99
LUGGAGE BOX BLACK W/RED LAMP LUGGAGE BOX BLACK W/RED LAMP QMB139 Magneto Stator
Universal luggage box for all scooters with rear mounting rack. Includes rear reflector, lock, keys and all mounting hardware. Made from durable black graphite plastic. Easy to install.

Dimensions: 23L X 18W X 12H inches.
Universal luggage box for all scooters with rear mounting rack. Includes rear reflector, lock, keys and all mounting hardware. Made from durable graphite plastic. Easy to install.

Dimensions: 17L X 15W X 11H inches.
Specifications:
Total diameter: 88mm
Center inner diameter: 29mm
Center Bolts (center to center): 41mm
Stator: 8 coils
Plug: 3 pin
Wires: 2 loose wires
Magneto/Stator Drum - 139QMB 50cc Main Jet - OKO (High Performance) Main Jet - QMB 50cc (High Performance)
Our Price: $29.99
Our Price: $5.99
Our Price: $5.99
QMB139 Stator Housing MAIN JET 105 MAIN JET 105
Specifications:
Overall diameter:  112mm
Inner diameter:  90mm
Shaft diameter:  14mm (inside)
Inner shaft has a Woodruff key slot
Main Jet for the OKO Carburetor.

Available Sizes: #80,  #95,  #100,  #105,  #110,  #115,  #120
Main Jet for the 139QMB 50cc

Available Sizes: #72,  #75,  #78,  #80,  #85
Mirror 8mm Black (right and left) Mirrors - Left Side Mirrors for 50cc/ 150cc Scooters Mirrors - Right Side Mirrors for 50cc/ 150cc Scooters
Our Price: $29.95
Our Price: $12.95
Our Price: $12.95
Left Side Mirror for 50cc/ 150cc Scooters. Right Side Mirror for 50cc/ 150cc Scooters.
Mirrors with 8mm thread size Left Side Mirror for 50cc/ 150cc Scooters.

Specs:
8mm - Thread Size
Standard clockwise rotation to tighten.
Right Side Mirror for 50cc/ 150cc Scooters.

Specs:
8mm - Thread Size
Standard clockwise rotation to tighten.
Oil Gauge Dip Stick Petcock Fuel Valve Piston (stock) - 139QMB 50cc
Our Price: $19.95
Our Price: $14.95
Our Price: $15.99
Scooter Petcock Valve QMB139 Piston 50cc
Anodized aluminum oil dip stick for the 50cc-150cc 139QMB and GY6 engines.

Colors: Red, Blue, Silver, Gold
Universal petcock valve. This valve is usually mounted on the bottom of the gas tank and work on vacuum. Specifications:
Diameter: 39mm
Pin Hole diameter: 13mm
Piston Rebuild Kit - 139QMB 50cc Piston Ring Set (stock) - 139QMB 50cc Rim - Front
Our Price: $29.95
Our Price: $19.99
Our Price: $59.95
QMB139 Piston Rings 50cc (Complete Set) Rim - Front
Click on image for details. Includes:
Part No. 14, 15 and 16

Specifications:
Diameter: 39mm
Includes bearings
Rim - Rear Rocker Arm Assembly - QMB149 50cc Roller Weight 16 X 13
Our Price: $59.95
Our Price: $39.95
Our Price: $7.20
Rim - Rear Rocker arm assembly for the 50cc QMB139 engine. Roller Weight 16 X 13  (4g)
Rocker arm assembly for the 50cc 139QMB engine. Roller Weight 16 X 13
Comes as set of 6 weights.  
Fits the Honda DIO and 50cc Chinese Scooters.
Sizes: 4g, 4.5g , 5g, 5.5g, 6g, 6.5g, 7g, 7.5g, 8g, 8.5g, 9g, 9.5g, 10g, 10.5g, 11g
Slider Weights QMB 49-80cc (16X13) Solenoid Spark Plug - Iridium High Performance Spark Plug (CR8HIX)
Our Price: $34.80
Sale Price: $19.95
You Save $14.85
Our Price: $12.95
Our Price: $12.95
SLIDING ROLLER 16 X13 4GR Solenoid
These slider weight's replace your stock roller weights. They will help improve your take off speed (low end torque) while increasing your mid range torque, as well as your overall top end speed. This is by far the easiest and cheapest modification you can do to your engine to achieve great results.

SLIDING ROLLER 16 X13

Comes as set of 6 weights.  
Fits the Honda DIO and 50cc to 80cc Chinese Scooters.
Sizes: 4g, 4.5g , 5g, 5.5g, 6g, 6.5g, 7g, 7.5g, 8g, 8.5g, 9g, 9.5g, 10g, 10.5g, 11g
This solenoid fits the 139QMB engine. Made with Iridium, Stronger then Platinum, Higher melting point.
Requires less voltage to spark, burns more of the fuel in the cylinder, sparks at leaner air/fuel mixtures.
Works on 50-150cc GY6 Scooter Engines.
Spark Plug - QMB 50cc to GY6 150cc Spark Plug Boot - NGK (Universal Fit) Spark Plug Cable - NGK Racing (4-stroke)
Our Price: $2.99
Our Price: $4.78
Our Price: $29.95
QMB139 50cc Spark Plug SPARK PLUG CAP 14MM NGK TYPE

Specifications:
Spark plug cap 14mm NGK type
Universal Fit
NGK Racing Cables are designed for the serious racing enthusiast. Low resistant racing cables improve sparking energy leading to improved engine performance. Durable in construction NGK Racing Cables feature high temperature silicone outer jackets, solid copper wire strand core and high temperature resistor covers.

For use on all four stroke engines.
Speedometer Speedometer Speedometer Cable
Our Price: $39.95
Our Price: $49.95
Our Price: $19.95
Speedometer for 50cc / 150cc scooters. Speedometer for 50cc - 150cc retro style scooter. Speedometer Cable
Speedometer for 50cc / 150cc scooters. Speedometer for 50cc - 150cc retro style scooter. Speedometer for the Cyclone street legal scooter.
Starter Motor - 139QMB 50cc Throttle Cable - 70 inch with 90 degree elbow and strait end. Throttle Cable - 71 inch with 90 degree elbows ( Version A)
Our Price: $34.95
Our Price: $19.95
Our Price: $19.95
QMB139 Starter Motor GY6 Throttle Cable - 71 inch with 90 degree elbows GY6 Throttle Cable - 71 inch with 90 degree elbows
Used on the carburetors with slide intake that requires a throttle cable with strait end. Works on OKO carburetors and other brands.

Throttle Cable - 70 inch with 90 degree elbow and Strait end.
Throttle Cable - 71 inch with 90 degree elbows ( Version A)
Throttle Cable - 75 inch with 90 degree elbows ( Version A) Throttle Cable - 80 inch with 90 degree elbows ( Version A) Throttle Cable - 80 inch with 90 degree elbows ( Version B)
Our Price: $18.95
Our Price: $19.95
Our Price: $19.95
GY6 Throttle Cable - 75 inch with 90 degree elbows Throttle Cable - 80 inch with 90 degree elbows ( Version A) Throttle Cable - 80 inch with 90 degree elbows ( Version B)
Throttle Cable - 75 inch with 90 degree elbows ( Version A) Throttle Cable - 80 inch with 90 degree elbows ( Version A)

Note: This cable has a 90 degree bend on both ends with threads on both ends.
Throttle Cable - 80 inch with 90 degree elbows ( Version B)

Note: This cable has a 90 degree bend on both ends with threads on carburetor hook up end.
Throttle Cable - 86 inch with 90 degree elbows ( Version A) Throttle Controller - Anodized Aluminum Colors Throttle Grip - Left Side
Our Price: $19.95
Our Price: $29.95
Our Price: $6.99
GY6 Throttle Cable - 86 inch with 90 degree elbows Universal grip (fits left side only).
Throttle Cable - 86 inch with 90 degree elbows ( Version A) Universal grip (fits left side only).
Throttle Grip - Right Side Tire - 100/60-12 (Duro) Tire - 3.00-10 (Duro)
Our Price: $7.99
Our Price: $42.00
Our Price: $26.34
Universal throttle grip (right side). Includes plastic inner tube for throttle cable hook up. Tire - 100/60-12 (Duro) Tire - 3.00-10 (Duro)
Universal throttle grip (right side). Includes plastic inner tube for throttle cable hook up. Tire Size: 100/60-12
Brand: Duro
Tire Size: 3.00-10
Brand: Duro
Tire - 3.50-10 (Duro) Tire 120/70-12 (Duro) Tire 130/60-13 (Duro)
Our Price: $32.43
Our Price: $40.83
Our Price: $42.72
Tire - 3.50-10 (Duro) Tire 120/70-12 (Duro) Tire 130/60-13 (Duro)
Tire Size: 3.50-10
Brand Duro
Tire Size: 120/70-12
Brand: Duro
Tire Size: 130/60-13
Brand: Duro
Tube - 100/60-12 Tube - 120/70-12 (3.50-12) Tube - 2.75 / 3.00-10
Our Price: $7.15
Our Price: $7.75
Our Price: $7.45
Tube Size - 100/60-12 Scooter, Motor Cycle Tube - 120/70-12 (3.50-12) Tube 2.75 / 3.00-10
Tube Size - 100/60-12 Tube Size - 120/70-12 also fits 3.50-12 Tube Size: 2.75 / 3.00-10
Also Fits Tube Size: 90/65-10
Tube - 3.50-10 Valve set - 139QMB 50cc Engine (complete set) Variator Kit - High Performance Teflon variator kit 139QMB 50cc
Our Price: $8.95
Our Price: $19.00
Our Price: $69.95
Tube - 3.50-10 Variator Pulley - High Performance variator pulley 50cc four stroke
Tube Size: 3.50-10 Valve set for th GY6 / 139QMB 49.5/50cc engine.  Valve Size: Big valve 18mm diameter and Small valve 15mm diameter. High performance Teflon variator pulley kit for the 139QMB 50-80cc engine. And the Honda Metropolitan and Ruckus 50cc 4T.

Includes:
Front Pulley
Back Plate
Buffer Slides
3 sets of roller weights 6.5, 7.5g and 8.5g
Variator Pulley (Complete Assembly) - 139QMB 50cc Voltage Regulator, 12V Windshield - Universal (fits most scooters)
Our Price: $49.95
Our Price: $9.95
Our Price: $34.95
Sale Price: $19.95
You Save $15.00
Variator Pulley - QMB139 50cc (Complete Assembly) Voltage Regulator, 12V Windshield - Universal (fit most scooters)
CVT variator assembly for the street legal scooters with the 139QMB 50cc engine.

Includes:
Roller Weights 8.5 gram
Universal 12 volt, voltage regulator 4 prong. Universal windshield fits 50cc and 150cc scooters with mirrors threaded on the handlebar.

Windshield Measurements: 16.5 inch X 17.5 inch

Mounting Measurements: Can be mounted on mirrors with spacings between 14 inches -17.5 inches.
Wire Harness Assembly
Our Price: $18.00
Wire Harness Assembly
Wire harness assembly for the Cyclone street legal scooter.