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High Performance Parts - 49-100cc GY6-QMB Scooters

Boost the performance of your 49–100cc GY6/QMB scooter with high-performance parts designed for stronger acceleration, better airflow, and improved responsiveness. This category includes big bore kits, upgraded variators and rollers, high-flow carburetors, performance exhaust systems, ignition enhancements, and reinforced internal components built for the popular QMB139 platform. Perfect for riders looking to unlock more torque, increase top speed, or bring fresh life to an aging engine with proven performance upgrades.

High Performance Parts - 49-100cc GY6-QMB Scooters
42 Items
High Performance CDI Box (AC) GY6-50cc 11000 RPM 28deg Angle 2 plug, 6 pin 73mm x 37mm

High Performance CDI Box (AC) GY6-50cc 11000 RPM 28deg Angle 2 plug, 6 pin 73mm x 37mm

$24.99

Part #: 815361

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HIGH PERFORMANCE Ignition Coil Wire=15

HIGH PERFORMANCE Ignition Coil Wire=15" Fits Most ATVs, GoKarts, Scooters With GY6-50,125,150,180cc Motors

$26.99

Part #: 815360

Runtong CVK PD19J Carburetor with booster pump Intake ID=19 OD=28 Air Box OD=40 Fits Most 49-100cc GY6 Belt Driven Scooters

Runtong CVK PD19J Carburetor with booster pump Intake ID=19 OD=28 Air Box OD=40 Fits Most 49-100cc GY6 Belt Driven Scooters

$49.99

Part #: 815362

Air Filter 2 Stage ID=38mm OD=92mm, Filter Body Length=75mm 45deg Angle

Air Filter 2 Stage ID=38mm OD=92mm, Filter Body Length=75mm 45deg Angle

$19.99

Part #: 633146

Air Filter 2 StageID=38 OD=95 Filter Body Length=75 35deg Angle

Air Filter 2 StageID=38 OD=95 Filter Body Length=75 35deg Angle

$11.99

Part #: 816200

High Performance Carbon Graphite Air Filter ID=38mm Fits 49cc Scooters with PD18J Carburetors

High Performance Carbon Graphite Air Filter ID=38mm Fits 49cc Scooters with PD18J Carburetors

$14.99

Part #: 815408

VARIATOR KIT (HIGH PERFORMANCE) KOSO GY6-QMB 49cc Chinese Scooters Shaft=14mm OD=88

VARIATOR KIT (HIGH PERFORMANCE) KOSO GY6-QMB 49cc Chinese Scooters Shaft=14mm OD=88

$44.99

Part #: 634652

Belt 669x18x30 KEVLAR GY6-50 QMB139 49cc Chinese Scooter Motors With 10

Belt 669x18x30 KEVLAR GY6-50 QMB139 49cc Chinese Scooter Motors With 10" Wheels

$26.99

Part #: 633356

Belt 729x17.5x30 Kevlar Fits Many Chinese GY6 49-150cc ATVs, GoKarts, and 4 stroke Scooters With 12 & 13

Belt 729x17.5x30 Kevlar Fits Many Chinese GY6 49-150cc ATVs, GoKarts, and 4 stroke Scooters With 12 & 13" Wheels

$26.99

Part #: 633457

16X13 (6.0g) High Performance Clutch Sliders Set for GY6-49, 50, 70, 80cc 4 Stroke Scooter Engines

16X13 (6.0g) High Performance Clutch Sliders Set for GY6-49, 50, 70, 80cc 4 Stroke Scooter Engines

$16.99

Part #: 815403

16X13 (5.0g) High Performance Clutch Sliders Set for GY6-49, 50, 70, 80cc 4 Stroke Scooter Engines

16X13 (5.0g) High Performance Clutch Sliders Set for GY6-49, 50, 70, 80cc 4 Stroke Scooter Engines

$16.99

Part #: 815402

High Performance Clutch GY6-50 Fits GY6-49-100cc scooters. Great off the line performance

High Performance Clutch GY6-50 Fits GY6-49-100cc scooters. Great off the line performance

$69.99

Part #: 816113

Inner Clutch 105mm HIGH PERFORMANCE RED Spring GY6-50 QMB139 49cc Chinese Scooter Motors

Inner Clutch 105mm HIGH PERFORMANCE RED Spring GY6-50 QMB139 49cc Chinese Scooter Motors

$34.99

Part #: 815359

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Clutch Spring Set HIGH PERFORMANCE Blue +1000 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

Clutch Spring Set HIGH PERFORMANCE Blue +1000 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

$12.99

Part #: 815407

Clutch Spring Set HIGH PERFORMANCE Red +2000 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

Clutch Spring Set HIGH PERFORMANCE Red +2000 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

$12.99

Part #: 815406

Clutch Spring Set HIGH PERFORMANCE Yellow +1500 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

Clutch Spring Set HIGH PERFORMANCE Yellow +1500 RPM GY6-50 QMB139 49cc Chinese Scooter Motors

$12.99

Part #: 815356

Circlips 12mm - 13mm Sold Per Pair

Circlips 12mm - 13mm Sold Per Pair

$0.02

Part #: 132039

100cc Cylinder Head 50mm For GY6-50 QMB139 Scooter Motors. Valves Installed. With Rocker Arm Assy.

100cc Cylinder Head 50mm For GY6-50 QMB139 Scooter Motors. Valves Installed. With Rocker Arm Assy.

$64.99

Part #: 816235

100cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=50mmRequires Head #634585

100cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=50mmRequires Head #634585

$64.99

Part #: 816234

Cylinder Base Gasket Fits GY6-50 to 80cc QMB139 ATVs & Scooters

Cylinder Base Gasket Fits GY6-50 to 80cc QMB139 ATVs & Scooters

$4.99

Part #: 816147

100cc (High Performance 50mm) Piston Kit. Fits GY6-50 Chinese Scooter Motors. PIN=13mm H=34.4 Ctr Pin To Top=17.4mm

100cc (High Performance 50mm) Piston Kit. Fits GY6-50 Chinese Scooter Motors. PIN=13mm H=34.4 Ctr Pin To Top=17.4mm

$24.99

Part #: 816081

100cc Cylinder Piston Top End Kit With Non-EGR Head For GY6-50 QMB139 Chinese Scooter Motors. Bore=50mm Shirt OD=52.50mm

100cc Cylinder Piston Top End Kit With Non-EGR Head For GY6-50 QMB139 Chinese Scooter Motors. Bore=50mm Shirt OD=52.50mm

$109.99

Part #: 816073

80cc Cylinder Piston Top End Kit With Non-EGR Head For GY6-50 QMB139 Chinese Scooter Motors. Bore=47mm

80cc Cylinder Piston Top End Kit With Non-EGR Head For GY6-50 QMB139 Chinese Scooter Motors. Bore=47mm

$99.99

Part #: 815631

Exhaust Pipe HIGH PERFORMANCE CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=300mm D=88mm

Exhaust Pipe HIGH PERFORMANCE CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=300mm D=88mm

$59.99

Part #: 815181

Exhaust Pipe HIGH PERFORMANCE BLACK/CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=300mm D=88mm

Exhaust Pipe HIGH PERFORMANCE BLACK/CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=300mm D=88mm

$59.99

Part #: 815180

HIGH PERFORMANCE CHROME Exhaust Pipe Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=280mm D=60mm

HIGH PERFORMANCE CHROME Exhaust Pipe Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=280mm D=60mm

$49.99

Part #: 815179

Exhaust Pipe HIGH PERFORMANCE BLACK/CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=280mm D=60mm

Exhaust Pipe HIGH PERFORMANCE BLACK/CHROME Fits Most GY6-50 QMB139 49cc Chinese Scooter Motors Canister L=280mm D=60mm

$49.99

Part #: 815178

60cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=44mm

60cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=44mm

$49.99

Part #: 634832

80cc (High Performance 47mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

80cc (High Performance 47mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

$5.99

Part #: 634830

60cc (High Performance 44mm) Piston Ring Set. Fits GY6-50 Chinese Scooter Motors.

60cc (High Performance 44mm) Piston Ring Set. Fits GY6-50 Chinese Scooter Motors.

$13.99

Part #: 634798

60cc (High Performance 44mm) Piston Kit. Fits GY6-50 Chinese Scooter Motors. PIN=13mm H=32.4 Ctr Pin To Top=17.4mm

60cc (High Performance 44mm) Piston Kit. Fits GY6-50 Chinese Scooter Motors. PIN=13mm H=32.4 Ctr Pin To Top=17.4mm

$24.99

Part #: 634797

60cc (High Performance 44mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

60cc (High Performance 44mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

$4.99

Part #: 634714

80cc Cylinder Head 47mm For GY6-50 QMB139 Scooter Motors. Valves Installed. With Rocker Arm Assy.

80cc Cylinder Head 47mm For GY6-50 QMB139 Scooter Motors. Valves Installed. With Rocker Arm Assy.

$49.99

Part #: 634585

80cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=47mmRequires Head #634585

80cc (High Performance) Cylinder Piston Top End Kit For GY6-50 QMB139 Chinese Scooter Motors. Bore=47mmRequires Head #634585

$49.99

Part #: 634584

PISTON KIT 70, 80, 90cc 4-Stroke B=47 Pin=13 H=34 Ctr to Top = 17mm Fits E-Ton Viper RXL70, RXL90R, Viper RX4-70, RX4-90, RX4-90R, Rover UK1, Rover GT, Yamaha Raptor 90 2009-2013 + more

PISTON KIT 70, 80, 90cc 4-Stroke B=47 Pin=13 H=34 Ctr to Top = 17mm Fits E-Ton Viper RXL70, RXL90R, Viper RX4-70, RX4-90, RX4-90R, Rover UK1, Rover GT, Yamaha Raptor 90 2009-2013 + more

$24.99

Part #: 634582

100cc (High Performance 50mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

100cc (High Performance 50mm) Cylinder Head Gasket. Fits GY6-50 Chinese Scooter Motors

$5.99

Part #: 634051

VALVE COVER GASKET Fits QMB139 GY6 49-90cc Scooter & ATV Motors

VALVE COVER GASKET Fits QMB139 GY6 49-90cc Scooter & ATV Motors

$4.99

Part #: 634015

EXHAUST GASKET ROUND OD=30mm Fits Most QMB139 GY6-50-125-150, 49cc-150cc ATVs, GoKarts, Scooters, UTVs

EXHAUST GASKET ROUND OD=30mm Fits Most QMB139 GY6-50-125-150, 49cc-150cc ATVs, GoKarts, Scooters, UTVs

$2.49

Part #: 634011

Spark Plug NGK C8HSA

Spark Plug NGK C8HSA

$6.29

Part #: 633999

80cc (47mm) Piston Ring Set. Fits GY6-50 Chinese Scooter Motors And 70-90cc Honda Copy ATV & Dirt Bike Motors.

80cc (47mm) Piston Ring Set. Fits GY6-50 Chinese Scooter Motors And 70-90cc Honda Copy ATV & Dirt Bike Motors.

$13.99

Part #: 633758

EXHAUST GASKET Ctr to Ctr 48mm Hole=27mm

EXHAUST GASKET Ctr to Ctr 48mm Hole=27mm

$2.99

Part #: 633514

Cylinder Base Gasket Fits GY6-50 to 70cc QMB139 ATVs & Scooters

Cylinder Base Gasket Fits GY6-50 to 70cc QMB139 ATVs & Scooters

$3.99

Part #: 633500

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