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Jonway YY50QT-21 4-Stroke Parts

Featured Accessories
Page 1 / 2

Firefly Valve Stem Light for Bikes & Scooters
$1.99
E41-9809
Cruiser Style Scooter Goggles
$7.99
X98-2112
Waterproof Hand Mitts for Scooters, ATVs, & Bikes
$13.99
X98-9299
Universal Top Case Scooter Trunk
$24.99
X98-1286
Universal Scooter Windshield
$24.99
X98-9234
Inner Tube Patch & Repair Kit
$3.99
$2.79 Save 30%
J45-5374

71 Items

More Options Available
Fuel (Gas) Line Hose for Scooters, ATVs, Dirt Bikes, Mini Bikes, & Go-Karts (36")
$7.99
X98-8906
6002-2RS (6002RS) Sealed Scooter & ATV Bearings (Set of 2)
$4.99
X98-1262
12 Volt YTX7A Replacement Sealed AGM Scooter & Motorcycle Battery
$24.99
$21.24 Save 15%
B77-8443
Ignition Coil for 50cc-150cc GY6 Scooter, ATV, & Dirt Bike Engines
$7.99
E06-645
CDI Module (Ignitor) for 50cc, 90cc, 110cc, 125cc, & 150cc Gas Scooters & ATVs - 6 Pin Rounded Connector
$12.79
G07-1489
12 Volt 35 Watt Headlight Bulb with Rim for Scooters
$3.99
H21-2880
Universal In-Line Plastic Fuel Filter
$0.99
O39-4687
More Options Available
CVK 50cc 139QMB Scooter, ATV, and Dirt Bike Carburetor with Electric Choke
$22.99
X98-9560
C7HSA Spark Plug
$3.99
D68-7512
Cylinder Base Gasket for 50cc GY6 139QMB Engines
$0.47
$0.33 Save 30%
H82-8931
105 mm Brake Drum Shoe Set with Springs for the Baja MB165 & MB200
$10.99
L57-6410
Kick Start Shaft & Gear Assembly for 50cc GY6 139QMB Scooter Engines
$11.49
$8.05 Save 30%
E88-9533
10 Amp ATO Blade Fuse
$0.79
$0.55 Save 30%
S55-6301
50cc GY6 Scooter & Go-Kart Clutch Shoe Assembly
$11.99
Y52-5996
Fuel Pump for 50cc, 125cc, & 150cc QMB139 / GY6 Go-Karts & Scooters
$14.49
E41-4957
Automatic Choke for 50cc, 125cc, & 150cc Go-Kart & Scooter Carburetors
$7.49
$5.25 Save 30%
P33-4092
729-17.7-30 50cc Scooter CVT Belt
$7.99
O15-2278
Exhaust Pipe Gasket for GY6 139QMB 50cc, 125cc, and 150cc Engines
$3.49
H82-8930
Type 1 Cylinder Head Gasket for 50cc GY6 139QMB Engines
$2.49
H82-8927
More Options Available
Oil Cooler Kit for 4-Stroke ATV, Dirt Bike, & Scooter Engines
$12.99
O39-4692
12 Volt Electric Starter Motor for 50cc QMB139 Scooter Engines
$22.99
E06-500
Kick Start Arm Assembly for 50cc 139QMB Scooters
$9.99
$6.99 Save 30%
E41-4892
Kick Starter Gear Clip for 50cc GY6 139QMB Engines
$0.99
$0.69 Save 30%
E88-9546
Cylinder Dowel Pin for 50cc GY6 139QMB Engines
$0.47
$0.33 Save 30%
E88-9541
6002ZZ (6002Z) Shielded Scooter & ATV Bearings (Set of 2)
$5.98
$4.18 Save 30%
X98-1254
6004ZZ (6004Z) Shielded Scooter & ATV Bearings (Set of 2)
$9.99
X98-2053
Brake Light Switch 2-Pin
$6.99
$4.89 Save 30%
F48-5616
Type 2 Cylinder Head Gasket for 50cc GY6 139QMB Engines
$2.49
$2.12 Save 15%
H82-8928
Valve Keepers for 50cc GY6 139QMB Engines
$0.79
E88-9539
Oil Pump for 50cc GY6 139QMB Scooter Engines
$5.49
E41-4929
Valve Spring Seat for 50cc GY6 139QMB Engines
$0.40
$0.28 Save 30%
E88-9538
Kick Start Idler Gear for 150cc GY6 Scooter Engines
$15.99
$11.19 Save 30%
E41-4926
Camshaft Tensioner Gasket for 50cc GY6 139QMB Engines
$0.45
$0.31 Save 31%
H82-8932
More Options Available
Small Aluminum Universal Inline Fuel Filter
$3.99
X98-0621
Outer Shaft Oil Seal for 50cc GY6 139QMB Engines
$1.49
H82-8934
40" Speedometer Cable with Plastic Snap-In End for Scooters & Go-Karts
$5.99
E41-4922
24 mm Intake Manifold for 50cc 139QMB Scooter Engines
$7.99
E88-9532
10 Amp AGC Glass Fuse
$0.99
M40-4785
50cc Performance Transmission Kit
$269.99
W14-2172
12 Volt Electric Starter Motor for 50cc QMB139 Scooter Engines (Blemished)
$22.99
$20.99 Save 9%
E06-500-X01
6004-2RS (6004RS) Sealed Scooter & ATV Bearings (Set of 2)
$6.99
X98-8873
6301-2RS (6301RS) Sealed Scooter Wheel Bearings (Set of 2)
$3.99
S29-3712
Kick Start Final Gear for 50cc 139QMB GY6 Scooter Engines
$4.99
E41-4925
6301ZZ (6301Z) Shielded Scooter Wheel Bearings (Set of 2)
$6.99
X98-8878
Gearbox Brake Pin for 50cc GY6 139QMB Engines
$0.79
$0.55 Save 30%
E88-9545
Piston for 50cc GY6 139QMB Scooter Engines
$5.99
$4.19 Save 30%
E88-9540
Valve Washer 16 mm x 23 mm for 50cc GY6 139QMB Engines
$0.35
$0.25 Save 29%
E88-9534
Camshaft Chain Guide for 50cc GY6 139QMB Engines
$0.97
$0.75 Save 23%
E88-9542
Camshaft Chain Tensioner for 50cc GY6 139QMB Engines
$0.97
$0.75 Save 23%
E88-9543
Camshaft Tensioner Lever Bolt for 50cc GY6 139QMB Engines
$0.55
$0.50 Save 9%
E88-9544
Left Crankcase Cover Gasket for 50cc GY6 139QMB Engines
$4.99
H82-8926
Valve Oil Seal for 50cc GY6 139QMB Engines
$0.47
$0.33 Save 30%
H82-8929
Gearbox Gasket for 50cc GY6 139QMB Engines
$0.43
$0.37 Save 14%
H82-8935
Oil Pump for 50cc-110cc Engines
$19.99
E41-4928
Michelin 120/70-12 Pilot Sport SC Performance Scooter Tire
$103.99 FREE SHIPPING
A67-7451
Kenda 120/70-12 Performance Scooter Tire with K413 Tread
$72.99 FREE SHIPPING
A67-7429
Kenda 130/70-12 Performance Scooter Tire with K413 Tread
$73.99 FREE SHIPPING
A67-7430
Kenda 130/70-12 Dual Sport Scooter Tire with K761 Tread
$67.99 FREE SHIPPING
A67-7438
Michelin 120/70-12 Bopper Performance Scooter Tire
$102.99 FREE SHIPPING
A67-7449
Michelin 130/70-12 Bopper Performance Scooter Tire
$109.99 FREE SHIPPING
A67-7450
Michelin 120/70-12 51P Gold Standard Scooter Tire
$105.99 FREE SHIPPING
A67-7426
Michelin 130/70-12 City Grip Premium Rear Scooter Tire
$114.99 FREE SHIPPING
A67-7478
Michelin 120/70-12 51S Gold Standard Scooter Tire
$71.99 FREE SHIPPING
A67-7427
Michelin 120/70-12 Pilot City Scooter Tire
$95.99 FREE SHIPPING
A67-7413
In-line ATO Blade Fuse Holder - 20 Amp
$4.99
R62-6908
Michelin 130/70-12 City Grip Reinforced Scooter Tire
$115.99
A67-7428
Michelin 130/70-12 Pilot City Scooter Tire
$47.99
A67-7419
Michelin 130/70-12 Pilot City Reinforced Scooter Tire
$64.99 FREE SHIPPING
A67-7414
Michelin 130/70-12 Pilot Sport SC Scooter Tire
$105.99 FREE SHIPPING
A67-7453
Michelin 130/70-12 Pilot Sport SC Reinforced Scooter Tire
$100.99 FREE SHIPPING
A67-7452
Complete Gasket Set for 50cc GY6 139QMB Engines
$8.99
H82-8933

71 Items

The Jonway YY50QT-21 4-stroke uses the 50cc QMB 139 engine. The YY50QT-21 4-stroke requires a 12V/7AH battery and a 729-17.7-30 CVT belt. The front tire is a 120/70-12 and the rear tire is a 130/70-12. The YY50QT-21 4-stroke has front disc and rear drum brakes.