Best 4 Stroke Silent Engine

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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X-PRO 150cc Long Case 4-stroke GY6 Air cooled Moped Scooter Engine with CVT Automatic Transmission, Electric/Kick Start

  • 150cc GY6 4-stroke Scooter Engine with Electric Start,CVT Automatic Transmission. Top Quality Guaranteed. It is good idea if you like to either replace your old engine or upgrade your Scooter Moped to be faster or more powerful! Great! Ride Safe and Have Fun!.
  • Brand New GY6 Engine, Use 842 Belt, 150cc Long Case, Air cooled, CVT, 4-Stroke, auto clutch, electric start..
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Oryxearth Mini Dirt Bike for Kids, 105CC 4-Stroke Kid Gas Powered Mini Dirt Bikes Off-Road Motorcycle Gas Pocket Pit Trail Mini Bike W/EPA Approved, Up to 24 Mph Weight Support 185 LBS, Racing Red

  • Powerful Performance: Oryxearth kids mini dirt bike has a powerful and efficient 3.5HP 105CC 4-Stroke engine, Let your kids enjoy the fun of being fully powered all day while saving fuel( Adding Gasoline with an Octane Rating of 87 or Higher (non-ethanol.) . Experience passionate but safety power. We provide 4 kinds of off-road vehicle stickers , Racing style: Red/Blue/Green/Yellow..
  • EPA Approved: This gas powered mini bike is EPA approved. Your kids can play safely and healthily by following our manual. And the 4-stroke engine is more environmentally friendly, with low noise and no need to mix gasoline..
  • Suitable for Both Kids and Adults: 4-stroke air-cooled engine surpasses virtually any other mini bike on the market. This nostalgic off-road motorcycle is suitable for kids, teenagers, adults, girls with height 4.27FT-5.9FT under 185LBS. Recommended age 13+. Ideal for beginner dirt bikes choice, and a cool gift for them..
  • Durable & Reliable, Safety First: kids mini dirt bikes have durable clutch &stable, sturdy metal frame , withstand years of outdoor riding. The rear disc brake provides smooth and fast when brakin....
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CUKUSIN Outboard Engine 4 HP 4 Stroke Outboard Boat Motor Air Cooling System, Strong Shaft

  • 【Convenient Use,Easy Operation And Convenient Maintenance】: Durable:Comparable Lubricating System For Four Stroke Outboard Engine Maneuverable and safe twist grip throttle control. Its weight is 15 KG..
  • 【Out Board Motor Speed and Luxury Rack】: 4-Stroke, 4.0 HP - Using 4 Stroke Power, Air Cooling Technology To Improve The Reliability Of The Whole Machine...
  • 【Universal Motors, High Performance, Reliable Quality】: Travel Safer,More Reliable,More Corrosion Resistant,More Beautiful,More Durable,More Energy Efficient,More Environmentally Friendly.Suitable for: Freshwater and saltwater..
  • 【Superior Air-Cooling System and Big Fuel Tank】: Outboard Boat Motor installed with own patented engine Air-cooling system, allows you to fish all day long without overheating. Propeller Spec. 18cm..
  • 【Gift】We will pack the LIFT JACKET(gift), one more throttle cable comp(gift), one more clutch(gift), one more propeller(gift) together, those commonly used material will be convenient for you to use the motor..
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Viewer Questions: Fuel System Requirements When Converting From Gas to Diesel

  • 【Accurate Fuel Injection】Air-cooled diesel engine four-stroke single cylinder adopts direct injection fuel system with good atomization to achieve accurate fuel injection and save fuel for you. Commodity parameters:Crankshaft: Horizontal,Size: 13.2 * 14.96 * 16.3 inches,Net weight : 59.5 lb,Material: aluminum alloy box,System: direct injection fuel system,Rated power: 3.6kw,Displacement (L): 0.247,Fuel tank volume (L): 2.5,Engine speed: 3600r / min..
  • 【Speed Control Handle】Diesel motor engine can be positioned at any speed, equipped with throttle cable mount, you can install the throttle cable as needed..
  • 【Fast Heat Dissipation】4 Stroke single cylinder air cooled vertical engine has an air-cooled diesel engine made of aluminum alloy with reinforced and thickened treatment, which makes it have good heat dissipation and protect the machine..
  • 【Small Space Occupation】Tiller crude oil engine has compact structure and small size, occupying less space than other engines..
  • 【Wide Range of Application】Heavy duty single cylinder air- cooled diesel motor engine is suitable f....
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2 Stroke Outboard Boat Motors 18 HP Water-Cooled Outboard, 246CC Outboard Stroke Petrol Heavy Duty Boat Engine Motor Fishing Boat Outboard Boat Motors Kayak Engine CDI Air Cooling System

  • ♛ 246CC Outboard Stroke Petrol Heavy Duty Boat Engine Motor Description -- Displacement: 246CC.
  • Recommended Lubricant: 2 Stroke Lubricating oil.
  • ♛ Outboard Stroke Motor Boat Engine Works with little noise.Economical and compact structure. Durable, lightweight and and easy to carry,anti-corrosive construction. forward and neutral design.Maneuverable and safe twist grip throttle control.Packing size: 133x71x38.5cm.
  • Recommended Propeller range: 3 -9"1/4''x8".
  • ♛ Outboard vertical mount engine design for increased power, performance and durability, superior CDI Ignition system for increased efficiency, twist grip throttle handle and engine stop button for improved response..
  • ♛ 2 Stroke 18 HP Water-Cooled Outboard Suitable in freshwater or saltwater.Perfect math inflatable kayaks,fishing boats,sailboats,small y....
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X-PRO 110cc ATV Engine Motor Semi Auto w/Reverse Electric Start fit 50cc 70cc 90cc 110cc ATVs and Go Karts Quads 4 wheeler

  • Semi Automatic Transmission w/Reverse, electric start. OEM 110cc 4-stroke Engine with Semi Automatic Transmission w/Reverse fits most Chinese made ATV....
  • When purchasing this engine, please pay special attention to whether the plug-in is compatible with your bike. If it not, you need to purchase an....
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BH-Motor New Bike Engine Red Carburetor for 2 Stroke 49cc 50cc 60cc 66cc 80cc Bicycle Motorized Engine Kit

  • Bike Engine Red High Performance Carburetor for 2 Stroke 49cc 50cc 60cc 66cc 80cc Bicycle Motorized Bicycle Engine Kit.
  • Red carburetor for 2 Stroke 49cc 50cc 60cc 66cc 80cc Bicycle Motorized Engine.
  • it's one High quality Carburetor for 49cc 50cc 60cc 66cc 80cc 2 stroke kick start / pedal start petrol conversion kit.
  • Fit for 100cc 2 stroke Bicycle Motorized Engine.
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49CC 4-Stroke Gas Petrol Motorized Bike DIY Engine Motor Kit Scooter with Chain Drive Bicycle Scooter Conversion Kit US Stock (without belt)

  • ●The tank holds 2 litres of petrol and everything comes with the 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..
  • ●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..
  • ●Pakage include:1 x Quality 49cc 4 stroke engine.
  • 1 x Gas tank,Plastic gasoline fuel line,fuel value.
  • 1 x Fiber sprocket mounting rings, 9 sprocket bolts, 3 metal retaining segments.
  • 1 x Engine Mounting plate with universal mounting brackets.
  • 1 x Twist grip throttle with built-in kill switch.
  • ●Reliable quality:Worry-free 36-Month.If you have any question about the product ,we support 24*7 hours prompt customer service.
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150cc GY6 Engine with Built-In-Reverse Gear ATV Go-Kart 150 Motor 4-Stroke Auto

  • 150cc GY6 4-stroke Scooter Engine with Electric/Kick Start,CVT Automatic Transmission..
  • GY6 Engine, Use 842 Belt, 150cc Long Case, Air cooled, CVT, 4-Stroke, auto clutch..
  • Kindly check our specifications and pictures carefully for fitness, any return for unfitness, original shipping fee is non refundable..
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