

50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB
Key item features
- ćSpecificationćMaterial: Metal; Head: 64mm valves Cylinder Size: 50mm ID; Diamater: Intake Valve Diameter: 18mm; Exhaust Valve Diameter: 16mm; Performance Racing CDI (AC Fired): 70mmx30mmx37mm; Performance Racing Coil length: 360mm
- ćPremium MaterialćThis cylinder kit is made of high quality metal, can replace the original correctly, 100% new high quality, durable.
- ćFit ForćFor 139QMB & 1P39QMB /GY6 50cc 4 Stroke Scooters
- ćPackage IncludesćĀ·50mm Big Bore Cylinder Kit With Assembled Head, Performance Racing CDI (AC Fired), Performance Racing Coil, Rollers, Rocker Arms, Oil Pump & Drive Gear, Intake & Exhaust Studs & Complete Gasket Set
- ćNOTEćInstruction not included, professional installation is always recommended.
Specs
- Vehicle makeGY6
- Vehicle model139QMB
- Vehicle fitment typeSpecific
- Automotive specialty part typeEngine Kits
- MaterialMetal
- Size50 mm
- Free shipping
Free 30-day returns
How do you want your item?
Similar items you might like
Based on what customers bought
Big Bore Cylinder Piston Kit, Cylinder Piston Kit For GY6 Scooter Moped 139QMB 1P39QMB 50mm 50cc 100cc, Big Bore 50mm Cylinder Piston Kit $63.20
$6320current price $63.20Big Bore Cylinder Piston Kit, Cylinder Piston Kit For GY6 Scooter Moped 139QMB 1P39QMB 50mm 50cc 100cc, Big Bore 50mm Cylinder Piston Kit
Shipping, arrives in 3+ daysZyutaosan Performance 61Mm Cylinder Piston Ring Kit (Big Bore Kit) 170Cc 180Cc Jonway Sunny Yiying Keeway Scooter $62.58
$6258current price $62.58Zyutaosan Performance 61Mm Cylinder Piston Ring Kit (Big Bore Kit) 170Cc 180Cc Jonway Sunny Yiying Keeway Scooter
Shipping, arrives in 3+ days44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc $21.74 Was $29.73
Now$2174current price Now $21.74, Was $29.73$29.73+$7.99 shipping44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc
Shipping, arrives in 3+ daysBEST GY6 50CC 100CC CYLINDER BIG BORE KIT BBK 50MM ID 1P39QMB 139QMB 64MM VALVES $66.78
$6678current price $66.78BEST GY6 50CC 100CC CYLINDER BIG BORE KIT BBK 50MM ID 1P39QMB 139QMB 64MM VALVES
Shipping, arrives in 3+ dayshalitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc $26.38
$2638current price $26.38halitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc
Shipping, arrives in 3+ daysFor 139QMB & 1P39QMB / GY6 100cc Scooter 50mm Big Bore Cylinder Piston Kit Set $63.20
$6320current price $63.20For 139QMB & 1P39QMB / GY6 100cc Scooter 50mm Big Bore Cylinder Piston Kit Set
Shipping, arrives in 3+ dayschengsi 44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc $26.37
$2637current price $26.37chengsi 44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc
Shipping, arrives in 3+ daysCylinder Piston Kit Big Bore with Assembled Head for 139qmb & 1p39qmb / Gy6 100cc 4 Stroke Scooters $63.30
$6330current price $63.30Cylinder Piston Kit Big Bore with Assembled Head for 139qmb & 1p39qmb / Gy6 100cc 4 Stroke Scooters
Shipping, arrives in 3+ days44Mm Big Bore Cylinder With Piston Ring Kit Replacement for 43Cc 47Cc 49Cc Fangkenuo $18.65
$1865current price $18.65+$7.99 shipping44Mm Big Bore Cylinder With Piston Ring Kit Replacement for 43Cc 47Cc 49Cc Fangkenuo
Shipping, arrives in 3+ dayssuitable for 47mm Big Bore Cylinder Kit For DERBI SENDA 50cc updated to 70cc Motorcycle Engine Parts $58.98
$5898current price $58.98suitable for 47mm Big Bore Cylinder Kit For DERBI SENDA 50cc updated to 70cc Motorcycle Engine Parts
Shipping, arrives in 3+ days185cc Big Bore Cylinder Barrel Kit 62mm For Yamaha YBR125 YBR 125 Custom 05-18 $69.99
$6999current price $69.99185cc Big Bore Cylinder Barrel Kit 62mm For Yamaha YBR125 YBR 125 Custom 05-18
Shipping, arrives in 3+ daysTwo Stroke 49CC 50CC Racing Engine Motor Black Silver for Pocket Dirt Quad Mini Bike Scooter $58.50
$5850current price $58.50Two Stroke 49CC 50CC Racing Engine Motor Black Silver for Pocket Dirt Quad Mini Bike Scooter
Shipping, arrives in 3+ days150cc 62MM Big Bore Cylinder Kit CG125 CG150 125cc 156FMI 162FMJ ATV Motorcycle $39.99
$3999current price $39.99150cc 62MM Big Bore Cylinder Kit CG125 CG150 125cc 156FMI 162FMJ ATV Motorcycle
Shipping, arrives in 3+ days44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc $28.93
$2893current price $28.9344mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc
Shipping, arrives in 3+ days61mm Cylinder Kit 180cc Big Bore Cylinder & Head for GY6 125cc 150cc Scooter ATV $65.64
$6564current price $65.6461mm Cylinder Kit 180cc Big Bore Cylinder & Head for GY6 125cc 150cc Scooter ATV
Shipping, arrives in 3+ days
About this item
Product details
NOTE:
Installation Manual Is NOT Included
Professional Installation Is Highly Recommended
Features:
100% brand new and high quality,Durable.
It could correctly replace the original quality part.
This Performance Racing Parts kit can make full use of your 48cc, 50cc scooters.
Specification:
Material: Metal
Head: 64mm valves
Cylinder Size: 50mm ID
Diameter:
Intake Valve Diameter: 18mm
Exhaust Valve Diameter: 16mm
Performance Racing CDI (AC Fired): 70mmx30mmx37mm
Performance Racing Coil length: 360mm
Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
Please Compare The Scooter Kit With Your Original One Before Purchasingļ¼
Fits (For the reference):
For 139QMB & 1P39QMB /GY6 50cc 4 Stroke Scooters
Package includes:
50mm Big Bore Cylinder Kit With Assembled Head,
Performance Racing CDI (AC Fired),
Performance Racing Coil
Rollers
Rocker Arms
Oil Pump & Drive Gear
Intake & Exhaust Studs & Complete Gasket Set
- ćSpecificationćMaterial: Metal; Head: 64mm valves Cylinder Size: 50mm ID; Diamater: Intake Valve Diameter: 18mm; Exhaust Valve Diameter: 16mm; Performance Racing CDI (AC Fired): 70mmx30mmx37mm; Performance Racing Coil length: 360mm
- ćPremium MaterialćThis cylinder kit is made of high quality metal, can replace the original correctly, 100% new high quality, durable.
- ćFit ForćFor 139QMB & 1P39QMB /GY6 50cc 4 Stroke Scooters
- ćPackage IncludesćĀ·50mm Big Bore Cylinder Kit With Assembled Head, Performance Racing CDI (AC Fired), Performance Racing Coil, Rollers, Rocker Arms, Oil Pump & Drive Gear, Intake & Exhaust Studs & Complete Gasket Set
- ćNOTEćInstruction not included, professional installation is always recommended.
Specifications
Vehicle make
Vehicle model
Vehicle fitment type
Automotive specialty part type
Warranty
Warranty information
Compare with similar items
| Product | Viewing this item50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB ![]() $63.20 current price $63.20 | halitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc ![]() $26.38 current price $26.38 |
|---|
| Vehicle fitment type | Specific50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB | Specifichalitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc |
|---|---|---|
| Automotive specialty part type | Engine Kits50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB | Cylinderhalitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc |
| Material | Metal50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB | high qualityhalitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc |
| Size | 50 mm50mm Big Bore Cylinder Piston Kit Fits for GY6 50cc Scooter Moped 139QMB 1P39QMB | 44 mmhalitekeji-44mm Big Bore Cylinder with Piston Ring Kit Replacement for 43cc 47cc 49cc |
Similar items that fit perfectly
Based on customer reviews
M&W Aluminum Racing 5.25 Rear Sprocket 45 Tooth Micro Sprint $60.02
$6002current price $60.02+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 45 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsJt JTR1207.39 Steel Rear Sprocket - 39T (Natural) $30.39
$3039current price $30.39Jt JTR1207.39 Steel Rear Sprocket - 39T (Natural)
Shipping, arrives in 2 daysNiche 85cc Cylinder Piston Gasket Kit for Yamaha YZ85 4ES-11311 MK1000975 $86.95
$8695current price $86.95Niche 85cc Cylinder Piston Gasket Kit for Yamaha YZ85 4ES-11311 MK1000975
54 out of 5 Stars. 5 reviewsShipping, arrives in 3+ daysMotorcycle Stator Coil for Kawasaki JT1100 1100 STX D.I. 00-03 21003-3744 $129.50
$12950current price $129.50Motorcycle Stator Coil for Kawasaki JT1100 1100 STX D.I. 00-03 21003-3744
75 out of 5 Stars. 7 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 46 Tooth Micro Sprint $64.23
$6423current price $64.23+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 46 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 52 Tooth Micro Sprint $68.11
$6811current price $68.11+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 52 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 14 Tooth $42.04
$4204current price $42.04+$13.99 shippingYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 14 Tooth
55 out of 5 Stars. 5 reviewsShipping, arrives in 3+ daysYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 15 Tooth $42.04
$4204current price $42.04+$13.99 shippingYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 15 Tooth
55 out of 5 Stars. 5 reviewsShipping, arrives in 3+ daysYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 13 Tooth $42.04
$4204current price $42.04+$13.99 shippingYamaha/Suzuki/Kawasaki Micro Sprint Counter Sprocket, 13 Tooth
55 out of 5 Stars. 5 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 47 Tooth Micro Sprint $61.39
$6139current price $61.39+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 47 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 50 Tooth Micro Sprint $64.23
$6423current price $64.23+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 50 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 51 Tooth Micro Sprint $65.27
$6527current price $65.27+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 51 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ daysM&W Aluminum Racing 5.25 Rear Sprocket 53 Tooth Micro Sprint $65.27
$6527current price $65.27+$13.99 shippingM&W Aluminum Racing 5.25 Rear Sprocket 53 Tooth Micro Sprint
85 out of 5 Stars. 8 reviewsShipping, arrives in 3+ days
Customer ratings & reviews
Popular items in this category
Best selling items that customers love
Miumaeov 50mm Big Bore Cylinder Piston Kit For GY6 100cc Scooter Moped 1P39QMB 139QMB $63.20
$6320current price $63.20Miumaeov 50mm Big Bore Cylinder Piston Kit For GY6 100cc Scooter Moped 1P39QMB 139QMB
Shipping, arrives in 3+ days50mm Big Bore Cylinder Piston Kit Fits For GY6 50cc Scooter Moped 139QMB 1P39QMB 50mm Big Bore Cylinder Kit W/ Assembled Head For 50cc Scooters 139QMB & 1P39QMB Big Bore Cylinder Piston $63.20
$6320current price $63.2050mm Big Bore Cylinder Piston Kit Fits For GY6 50cc Scooter Moped 139QMB 1P39QMB 50mm Big Bore Cylinder Kit W/ Assembled Head For 50cc Scooters 139QMB & 1P39QMB Big Bore Cylinder Piston
11 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysHead for 100cc Big Bore Kit 64mm Valves Scooter Moped GY6 139QMB $33.00
$3300current price $33.00Head for 100cc Big Bore Kit 64mm Valves Scooter Moped GY6 139QMB
Shipping, arrives in 3+ daysCylinder and Head 61mm Alloy Big Bore Kit - for GY6 150cc Scooters $90.99
$9099current price $90.99Cylinder and Head 61mm Alloy Big Bore Kit - for GY6 150cc Scooters
Shipping, arrives in 3+ days180cc Big Bore High Performance Cylinder Kits for GY6 125cc 150cc 61mm Scooter $62.39
$6239current price $62.39180cc Big Bore High Performance Cylinder Kits for GY6 125cc 150cc 61mm Scooter
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysCylinder and Head 58.5mm Alloy Big Bore Kit - for GY6 150cc Scooters $69.99
$6999current price $69.99+$15.76 shippingCylinder and Head 58.5mm Alloy Big Bore Kit - for GY6 150cc Scooters
Shipping, arrives in 3+ daysPhyun 180Cc Big Bore High Performance Cylinder Kits For Gy6 125Cc 150Cc 61Mm For Scooter Atv Go Karts Moped $54.44
$5444current price $54.44Phyun 180Cc Big Bore High Performance Cylinder Kits For Gy6 125Cc 150Cc 61Mm For Scooter Atv Go Karts Moped
Shipping, arrives in 3+ daysMYK 125cc/150cc to 155cc Big Bore Cylinder Kit 58.5mm - Scooters GY6 157QMJ $49.90
$4990current price $49.90MYK 125cc/150cc to 155cc Big Bore Cylinder Kit 58.5mm - Scooters GY6 157QMJ
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysNew 61mm Big Bore Cylinder Kit Fit For GY6 150cc Scooter ATV $67.85
$6785current price $67.85New 61mm Big Bore Cylinder Kit Fit For GY6 150cc Scooter ATV
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ days80cc Big Bore Kit Cylinder 69mm Head Piston Rings Chinese Scooter 50cc 60cc GY6 $51.67
$5167current price $51.6780cc Big Bore Kit Cylinder 69mm Head Piston Rings Chinese Scooter 50cc 60cc GY6
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ days180CC 61mm Big Bore Cylinder Kit for GY6 125CC 150CC Scooter ATV Motocycle New $60.72
$6072current price $60.72180CC 61mm Big Bore Cylinder Kit for GY6 125CC 150CC Scooter ATV Motocycle New
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysComplete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for 4 stroke 157QMJ Engines Chinese scooter moped parts, GY6 Engine parts Sunl Roketa Peace $81.97
$8197current price $81.97Complete GY6 Cylinder Head Rebuild Kits with valves, Trkimal 57.4mm 150cc Big Bore Upgrade Kits for 4 stroke 157QMJ Engines Chinese scooter moped parts, GY6 Engine parts Sunl Roketa Peace
14 out of 5 Stars. 1 reviewsSave withShipping, arrives tomorrow20mm Big Bore Carburetor Replacement for 50cc 100cc 139QMB 139QMA Scooter Moped ATV $19.50
$1950current price $19.5020mm Big Bore Carburetor Replacement for 50cc 100cc 139QMB 139QMA Scooter Moped ATV
Shipping, arrives in 3+ days80CC HEAD ASSEMBLY (69MM) FOR SCOOTER BIG BORE KIT $24.97
$2497current price $24.9780CC HEAD ASSEMBLY (69MM) FOR SCOOTER BIG BORE KIT
Shipping, arrives in 3+ daysCylinder and Head 58.5mm Alloy Big Bore Kit (EGR/PAIR) - GY6 125/150cc $69.99
$6999current price $69.99+$15.76 shippingCylinder and Head 58.5mm Alloy Big Bore Kit (EGR/PAIR) - GY6 125/150cc


