50cc-qmb139-performance-cylinder-kit-26.png

50cc QMB139, Performance Cylinder Kit

Regular price $199.49 Sale price $148.79
25% OFF

ITEM# 169-54

60
People are viewing this right now

Guarantee Safe Checkout

Visa
PayPal
Mastercard
American Express
Amazon

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Description
50cc QMB139 4-stroke 50mm, Racing Big Bore Cylinder Set. Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, and base gasket.

We recommend that you use our part #169-70 cylinder head with this set as some stock cylinder heads will not fit.

  • Upgrades to 80cc
  • Cylinder Bore: 50mm
  • Wrist Pin Diameter: 13mm
  • Total Piston Height: 34.8mm
  • Compression Height (from center of wrist pin hole to top edge of piston): 18.3mm
  • Please see below for measurements
    •

Free Shipping

You will love at great low prices

Flexible Payment

Pay with Multiple Credit Cards

14 Day Returns

Within 30 days for an exchange

Premium Suport

Outstanding premium support

Shop Similar Items

Zuma 50 Stainless Steel Flat Handle Bars
-34%
Zuma 50 Stainless Steel Flat Handle Bars
Regular price $29.99 Sale price $19.69
Zuma 50 Handle Bar Post and Riser
-34%
Zuma 50 Handle Bar Post and Riser
Regular price $124.49 Sale price $81.75
Yunming Scooter Trunk Top Case
-34%
Yunming Scooter Trunk Top Case
Regular price $74.99 Sale price $49.24
YMS V8 Yamaha Zuma 125cc Performance Exhaust
-34%
YMS V8 Yamaha Zuma 125cc Performance Exhaust
Regular price $539.99 Sale price $354.59
XLR Charger Port
-34%
XLR Charger Port
Regular price $17.99 Sale price $11.81
XLR Charger
-25%
XLR Charger
Regular price $89.10 Sale price $66.45
X8 Body Set
X8 Body Set
Price $0.00

Shop This Collection

kid-s-laferrari-2-seater-style-ride-on-remote-control-convertible-sports-car-257.pngkid-s-ferrari-laferrari-2-seater-style-ride-on-remote-control-convertible-sports-car-14.png
-22%Sold out
View product
Ferrari Ride On 12 Volt Kid's RC Ride On Remote Control Car w/Bumper To Bumper Warranty
Regular price $899.99 Sale price $699.98
2-seater-ride-on-car-parental-remote-58.pngbig-slk-bobby-benz-push-car-in-black-is-bad-and-beautiful-164.png
-25%Sold out
View product
Magic Cars® BIG AMG Mercedes Benz 2 Seater Ride On Car With Parental Control For Kids SUV W/Leather Seat
Regular price $799.99 Sale price $599.98
2-seater-battery-powered-jeep-truck-hummer-style-ride-on-144.png2-seater-battery-powered-jeep-truck-hummer-style-ride-on-145.png
-27%
Magic Cars® 2 Seater Ride On Jeep Style Truck Mommy & Me 4X4 BIGGEST Class W/Leather Seat & Magic Cars® Parental Control
Regular price $1,499.99 Sale price $1,099.00
12-volt-2-seat-electric-mercedes-ride-on-truck-g55-amg-g-wagon-for-kids-w-radio-351.png12-volt-2-seat-electric-mercedes-ride-on-truck-g55-amg-g-wagon-for-kids-w-radio-352.png
-10%
2 Seater Mercedes Remote Control Electric Ride On AMG G Wagon For Kids W/Leather Seat
Regular price $999.00 Sale price $899.00
transformers-optimus-prime-4x4-6v-power-atv-ride-on-54.pngmagic-cars-2-seater-atv-4x4-ride-on-12-volt-remote-control-quad-electric-jeep-truck-w-rubber-tire-upgrade-32.png
-22%Sold out
View product
Magic Cars® 2 Seater ATV 4X4 Ride On 12 Volt Remote Control Quad Electric 2 Seater Truck W/Rubber Tires
Regular price $899.99 Sale price $699.98
12-volt-remote-control-ride-on-h2-hummer-jeep-truck-213.png12-volt-remote-control-ride-on-h2-hummer-jeep-truck-214.png
-25%Sold out
View product
Magic Cars® 2 Seater UTV ATV Ride On 12 Volt Remote Control Quad Electric Truck
Regular price $1,199.99 Sale price $899.98
big-wheel-jeep-ride-on-truck-four-wheel-57.pngbig-wheel-hummer-h3-ride-on-truck-63.png
-29%Sold out
View product
Magic Cars® Real Rubber Tires Big Wheel Jeep Style Remote Control Electric Ride On Truck For Kids
Regular price $699.99 Sale price $499.98
monster-truck-rc-remote-control-toyota-tundra-117.pngride-on-monster-truck-rc-remote-control-toyota-tundra-10.png
-14%Sold out
View product
Magic Cars® Toyota Tundra Ride On 2 Seater Monster Pickup Truck Kid's Car With Wireless Parent R/C (Remote Control) System
Regular price $699.99 Sale price $599.98
magic-cars-2-seater-4x4-mercedes-jeep-style-remote-control-electric-ride-on-truck-for-kids-w-leather-seat-21.pngmagic-cars-2-seater-4x4-jeep-style-remote-control-electric-ride-on-truck-for-kids-w-leather-seat-85.png
-25%
Magic Cars® 2 Seater Electric Ride On Mercedes Zetros Truck Off Road Jeep Style Remote Parental Control Car For Kids W/Leather Seat
Regular price $799.99 Sale price $599.98
lexus-remote-control-rc-car-in-white-121.pnglexus-remote-control-rc-car-in-white-122.png
-22%Sold out
View product
Lexus 2 Seater BIG Class LX 570 Ride On Car Magic Cars® SUV Truck W/TV Screen Bumper To Bumper Warranty
Regular price $899.99 Sale price $698.98
magic-cars-bently-ride-on-battery-powered-car-w-keys-183.pngmagic-cars-bently-ride-on-battery-powered-car-w-keys-184.png
-25%
Magic Cars® 12 Volt 2 Seater Bentley Ride On RC Battery Powered Car-Free 1 Year Warranty
Regular price $799.98 Sale price $599.98
electric-range-rover-battery-ride-on-car-truck-suv-for-kids-79.pngelectric-range-rover-battery-ride-on-car-truck-suv-for-kids-80.png
-29%Sold out
View product
Magic Cars® Remote Control Country Range Rover Battery RC Ride On Car Truck
Regular price $699.99 Sale price $499.98
remote-control-rc-land-rover-defender-off-road-series-144.pngremote-control-rc-land-rover-defender-off-road-series-145.png
-14%Sold out
View product
Magic Cars® 2 Seater Electric Ride On Car Remote Control (RC) Land Rover W/Rubber Tires
Regular price $699.99 Sale price $599.98
big-rc-hummer-ride-on-car-hx-w-2-tone-rims-and-more-hot-91.pngmagic-cars-big-hummer-rc-ride-on-car-w-parental-remote-control-81.png
-20%
2 Seater BIG Class Hummer Style RC Ride On Car W/Magic Cars® Parental Remote Control 1 Year Warranty
Regular price $999.00 Sale price $799.00
kids-lamborghini-aventador-ride-on-rc-car-lp700-4-w-key-187.pngkids-lamborghini-aventador-ride-on-rc-car-lp700-4-w-key-188.png
-17%
Magic Cars® Lamborghini 2 Seater Kids Ride On RC Aventador Car Roadster W/Opening Doors Leather Seat
Regular price $599.99 Sale price $499.98
magic-cars-electric-bmw-suv-ride-on-car-for-children-w-remote-control-132.pngmagic-cars-electric-bmw-suv-ride-on-car-for-children-w-remote-control-133.png
-20%
2 Seater Magic Cars® BMW X6 Ride On Car BIG CLASS SUV RC Electric Kid Car W/Leather Seat
Regular price $999.99 Sale price $799.98

More From Trend Times Toy

10 Pcs Solar String Lights 36 FT Waterproof Red Solar Xmas Light Outdoor Tree - Trend Times Toy Stores10 Pcs Solar String Lights 36 FT Waterproof Red Solar Xmas Light Outdoor Tree - Trend Times Toy Stores
-6%
10 Pcs Solar String Lights 36 FT Waterproof Red Solar Xmas Light Outdoor Tree
Regular price $143.84 Sale price $134.85
12" Disco Mirror Glass Ball Dance Party KTV Stage Xmas Party House Decor Light - Trend Times Toy Stores12" Disco Mirror Glass Ball Dance Party KTV Stage Xmas Party House Decor Light - Trend Times Toy Stores
-6%
12" Disco Mirror Glass Ball Dance Party KTV Stage Xmas Party House Decor Light
Regular price $75.04 Sale price $70.35
120ft Halloween Bat String Lights 240PC LED Fairy Lights Gate Garden Party Decor - Trend Times Toy Stores120ft Halloween Bat String Lights 240PC LED Fairy Lights Gate Garden Party Decor - Trend Times Toy Stores
-6%
120ft Halloween Bat String Lights 240PC LED Fairy Lights Gate Garden Party Decor
Regular price $81.44 Sale price $76.35
14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool White - Trend Times Toy Stores14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool White - Trend Times Toy Stores
-6%
14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool White
Regular price $55.84 Sale price $52.35
14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool Yellow - Trend Times Toy Stores14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool Yellow - Trend Times Toy Stores
-6%
14 Ft Double Sided Umbrella Replacement Canopy Table Top Outdoor Beach Pool Yellow
Regular price $55.84 Sale price $52.35
15ft Halloween Bat String Lights 30PCS LED Fairy Lights Porch Garden Party Decor - Trend Times Toy Stores15ft Halloween Bat String Lights 30PCS LED Fairy Lights Porch Garden Party Decor - Trend Times Toy Stores
-6%
15ft Halloween Bat String Lights 30PCS LED Fairy Lights Porch Garden Party Decor
Regular price $15.84 Sale price $14.85
16" Steel Locking Mail Box Wall Mount Large Newspaper Letterbox w/ Door & 2 - Trend Times Toy Stores16" Steel Locking Mail Box Wall Mount Large Newspaper Letterbox w/ Door & 2 - Trend Times Toy Stores
-6%
16" Steel Locking Mail Box Wall Mount Large Newspaper Letterbox w/ Door & 2
Regular price $60.64 Sale price $56.85
16" Swimming Pool Pump Sand Filter Above Inground Pond Fountain Fit 0.35-0.75HP - Trend Times Toy Stores16" Swimming Pool Pump Sand Filter Above Inground Pond Fountain Fit 0.35-0.75HP - Trend Times Toy Stores
-6%
16" Swimming Pool Pump Sand Filter Above Inground Pond Fountain Fit 0.35-0.75HP
Regular price $345.44 Sale price $323.85
17" Bathroom Vessel Sink Porcelain Ceramics Wall Mount Pop up Drain Spa Basin - Trend Times Toy Stores17" Bathroom Vessel Sink Porcelain Ceramics Wall Mount Pop up Drain Spa Basin - Trend Times Toy Stores
-6%
17" Bathroom Vessel Sink Porcelain Ceramics Wall Mount Pop up Drain Spa Basin
Regular price $108.64 Sale price $101.85
23-x-13-rectangle-porcelain-ceramic-bathroom-vessel-sink-w-pop-up-drain-hotel-35.png23-x-13-rectangle-porcelain-ceramic-bathroom-vessel-sink-w-pop-up-drain-hotel-39.png
-6%
23" x 13" Rectangle Porcelain Ceramic Bathroom Vessel Sink w/ Pop Up Drain Hotel
Regular price $169.44 Sale price $158.85
3-x5-ft-4-pcs-national-canada-canadian-maple-leaf-flag-polyester-grommets-63.png3-x5-ft-4-pcs-national-canada-canadian-maple-leaf-flag-polyester-grommets-67.png
-6%
3'x5' Ft 4 PCS National Canada Canadian Maple Leaf Flag Polyester Grommets
Regular price $27.04 Sale price $25.35
3-tier-9-10-11-ft-patio-umbrella-with-crank-handle-push-to-tilt-aluminum-garden-9-ft-red-35.png3-tier-9-10-11-ft-patio-umbrella-with-crank-handle-push-to-tilt-aluminum-garden-9-ft-red-38.png
-6%
3-Tier 9/10/11 Ft Patio Umbrella with Crank Handle Push to Tilt Aluminum Garden 9 Ft & Red
Regular price $171.04 Sale price $160.35
3-tier-9-10-11-ft-patio-umbrella-with-solar-powered-led-crank-tilt-button-pool-details-in-decription-11-ft-orange-35.png3-tier-9-10-11-ft-patio-umbrella-with-solar-powered-led-crank-tilt-button-pool-details-in-decription-11-ft-orange-39.png
-6%
3-Tier 9/10/11 Ft Patio Umbrella with Solar Powered LED Crank Tilt Button Pool details in decription, 11 Ft & Orange
Regular price $228.64 Sale price $214.35
3-tier-9-10-11-ft-patio-umbrella-with-solar-powered-led-crank-tilt-button-pool-details-in-decription-10-ft-orange-35.png3-tier-9-10-11-ft-patio-umbrella-with-solar-powered-led-crank-tilt-button-pool-details-in-decription-10-ft-orange-38.png
-6%
3-Tier 9/10/11 Ft Patio Umbrella with Solar Powered LED Crank Tilt Button Pool details in decription, 10 Ft & Orange
Regular price $185.44 Sale price $173.85