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Best Stroke Big Bore Kit

Makita MAC700 2.0 HP* Big Bore™ Air Compressor

  • Cast iron pump with big bore cylinder and piston, combined with greater bore and stroke, delivers maximum performance.
  • Substantially lower noise levels with a large 1,720 RPM pump, enabling greater displacement at lower RPM.
  • Low amp draw reduces incidences of tripped breakers and voltage drop that can cause premature motor failure.
  • Oil lubricated provides cooler running pump, minimizes wear.
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Motorized Bicycle Kit 49CC 4-Stroke Gas Petrol Bike Engine Air-Cooled System Single Cylinder Belt Drive Scooter Engine Conversion Kit for Normal 28” V Frame Bike and 26” ATV Bike (Belt type)

  • ☀☀☀☀☀【NOTE】This is belt type..
  • ☀【4 Stroke Engine Motor】This engine is a 4-stroke motor engine kits, includes everything a motor needs at a economic price. This 4-stroke motor is more stable, more reliable and quieter than the 2 stroke rivals.
  • ☀【More Stable and High Speed】With powerful motor and 44 tooth 9 hole sprocket, this motor is with speed 27-32 MPH / or 43-51 KPH,high speed and work more effect.The tank holds 2 litres of petrol and everything comes with the kit.
  • ☀【Quiet and Slight Vibration】With 41.8 x 36 mm bore stroke,49 cm3 displacement, oil tank capacity 2.5L,When you use it after installation, it only has a slight noise and slight vibration, which will not disturb.
  • ☀【Application】49cc 4 stroke pull start petrol conversion kit fits adult bicycles, ideal for bikes with 26 inch frames and similar.
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YIYIBYUS 49CC 4 Stroke Motorized Bicycle Kit,Single Cylinder Engine Gas Petrol Bike Engine Motor Scooter Kit with Double Belt Drive Fits (Belt Drive)

  • Oil Capacity: 0.25l (0.26 US qt, 0.22 Imp qt).
  • Fuel Tank Capacity (liter): 0.77l (0.81 US qt).
  • Package size: 53cm x 29cm x 29cm (20.9'' x 11.4'' x 11.4'').
  • Engine Type: Air-cooled,4-Stroke,OHV,single cylinder.
  • Bore x Stroke: 41.8 x 36 mm (1.65 x 1.42 in).
  • 49cc 4 stroke pull start petrol conversion kit for adult bicycles, ideal for bikes with 26 inch frames and similar.Long term spares available as required..
  • 4 stroke engines are more stable,more reliable and quieter than the 2 stroke rivals.The top speed of between 27 - 32 MPH / or 43 - 51 KPH.The tank holds 2 litres of petrol and everything comes with the kit..
  • Quality assurance is our basic principle. If you have any questions, please feel free to contact us.The item will be shipped from our US warehouse(CA/NJ) to the destination about 4-7 working days..
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MOTOOS 80CC 24' 26' 28' 2 Stroke Bike Bicycle Motorized Cycle Engine Motor Kit (Red)

  • Single Cylinder, Air-Cooling, 2-Stroke Gasoline Engine. This 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike, which allows you to enjoy riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter..
  • The bicycle engine kit is designed for users who want to retrofit and upgrade a bicycle. Suitable for most 26" and 28" bicycles with V-frames. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1")..
  • Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km..
  • Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30).
  • Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km..
  • Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling.
  • The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting. NOTE: Due to the chemical reaction of electrophoresis, the engine motor of the product will have a certain proportion of color difference. Please mind to buy it carefully..
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SUNROAD 80cc Bicycle Engine Kit 24″ 26″ 28″ 2-Stroke Motorized Bicycle Petrol Gas Engine Kit Red

  • Single Cylinder, 2-Stroke Gasoline Engine. Air-Cooling,Equipped with the 2-stroke 80cc single cylinder gasoline engine, our bike motor kit is suitable for most bikes with v-frame. It will better upgrade your regular bike to a motorized bike and let you enjoy the fun of riding..
  • The bicycle engine kit is designed for users who want to retrofit and upgrade a bicycle. Suitable for most 26″ and 28″ bicycles with V-frames. The frame should have 9-11″ of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1″)..
  • Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km..
  • Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30).
  • Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km..
  • Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling.
  • The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting. NOTE: Due to the chemical reaction of electrophoresis, the engine motor of the product will have a certain proportion of color difference. Please mind to buy it carefully..
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1990-2006 Polaris Trail Blazer 250 Top End Rebuild Kit Includes Piston Gaskets Wrist Pin Bearing Standard Stock Bore 72mm

  • Top end rebuild kit includes piston, rings, wrist pin, circlips, top end gasket kit, and wrist pin bearing.
  • Piston features high-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing.
  • MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity.
  • Fits: 1990-2006 Polaris Trail Blazer 250 2-Stroke ATV (with stock 72mm bore).
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FEWENi 80cc 2 Stroke Bicycle Engine Motor Gas Motorized Bike Motor Kit

  • Ambienceo 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,which enable you to enjoy riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter..
  • The bicycle engine kit fits most 26" or 28" wheeled bikes (Mountain, Cruiser, Chopper, Road) with V-frame. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").
  • Key parameters: bore and stroke-47mm & 40mm, Max. power 5 horsepower/6000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
  • Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30).
  • Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km.
  • The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting..
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VERTEX BIGBORE PISTON KIT 50.45 BORE, Manufacturer: VERTEX, Part Number: 901069-AD, VPN: 22875200-AD, Condition: New

  • ATV Utility ATV > ENGINE > Pistons > Big Bore Kit Aluminum Cylinder.
  • Application: YAMAHA YFZ350 BANSHEE 87-06.
  • Centauro Gaskets Big Bore Kit Aluminum Cylinder S4C06800001A..
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Cylinder Piston Gasket Set Fits Yamaha Blaster 200 YFS200 1988-2006

  • Bore 66.00 mm x Stroke 57.00mm / Cylinder Displacement is 195cc / Compression 6.6:1.
  • This product includes Piston Kit, Gasket Kit, OE Type Cylinder.
  • THIS ITEM HAS TO BE INSTALLED BY PROFESSIONAL MECHANICS SPECIALIZED IN ATV AND UTVs.
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Cylinder Head Piston Gasket Set Fits Yamaha Banshee 350 YFZ350 1987-2006

  • Fits: Yamaha Banshee 350 YFZ350 (1987-2006).
  • Bore is 64.00mm x Stroke 54.00mm / Cylinder Displacement is 347cc / Compression 6.5:1.
  • This product includes Piston Kit, Gasket Kit, OE Type Cylinders and HEAD CYLINDER.
  • THIS ITEM HAS TO BE INSTALLED BY PROFESSIONAL MECHANICS SPECIALIZED IN ATV AND UTVs.
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49CC Motorized Bicycle Kit Bike Engine Kit Single Cylinder 4-Stroke Gas Petrol Motorized Bike Engine Scooter Belt Gear Fits Most 26' or 28' Bikes with V-Frame

  • ★【PROFESSIONAL ENGINE KIT】49cc 4 stroke pull start petrol conversion kit for adult bicycles, ideal for bikes with 26 inch frames and similar Long term spares available as required..
  • ★【MAIN PARAMETER 1】Engine Model：142F.
  • Engine Type：Air-cooled, 4-Stroke, OHV, single cylinder.
  • Bore x Stroke：41.8 x 36 mm (1.65 x 1.42 in).
  • Net Horse Power Output： 1.6kW (2.1HP) at 7,000 rpm.
  • Net Torque：2.7 Nm (2.0 lbs ft) at 4,500 rpm.
  • PTO Shaft Rotation Counterclockwise (from PTO shaft side)..
  • ★【MORE STABLE & HIGH SPEED】4 stroke engines are more stable, more reliable and quieter than the 2 stroke rivals. The top speed of between 27 - 32 MPH / or 43 - 51 KPHThe tank holds 2 litres of petrol and everything comes with the kit..
  • ★【MAIN PARAMETER 2】Ignition System：Transistorized magneto ignition.
  • Governor System：Centrifugal Mechanical.
  • Oil Capacity：0.25l (0.26 US qt, 0.22 Imp qt).
  • Fuel Tank Capacity (liter)：0.77l (0.81 US qt).
  • Package size: 53cm x 29cm x 29cm (20.9'' x 11.4'' x 11.4'').
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125cc Go Kart Engine 3 Speed Electric Start Semi-Auto Motor Engine w/Reverse for ATV Go Kart Quad Dirt Bike

  • ★125CC 4-STROKE ELECTRIC START - This is a four-stroke 125CC adult bicycle conversion kit, very suitable for bicycles, Dirt bikes, karting, etc. With this engine kit, you can transform your bicycle and kart to your liking..
  • ★EXCELLENT PERFORMANCE - ENGINE: 125CC.
  • Type: Horizontal, single-cylinder, 4-stroke, air-cooled.
  • Bore x Stroke: 52.4 × 55.5 mm, 119.7 mL.
  • ★MAIN PARAMETERS - Maximum net power/ rpm: 5.8 kw/ 7500r/ min±375 r/min.
  • Maximum torque/ rpm: 8.5 Nm/5000r/min±250 r/min.
  • ★APPLICATION TYPE - It is very suitable for modifying Pit bike, Dirt bike, Buggy, etc. Long-term spare parts can be provided as needed. The installation is more complicated, and it is strongly recommended to invite professionals to install it..
  • ★SHIPPING & SERVIC - We ship directly from the US warehouse. We packed the item as good as we can, if there is any any question, please feel f....
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Cylinder Piston Gasket Cylinder Head Set Fits Yamaha Blaster 200 YFS200 1988-2006

  • Bore 66.00mm x Stroke 57.00mm /Cylinder Displacement is 195cc, The Compression is 6.6:1.
  • This product includes Piston Kit, Gasket Kit, OE Type Cylinder and Head Cylinder.
  • THIS ITEM HAS TO BE INSTALLED BY PROFESSIONAL MECHANICS SPECIALIZED IN ATV AND UTVs.
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