Best 4 Stroke Small Engine

AutoForever 49cc 4-Stroke High Power Engine Bicycle Conversion Kit Motorized Bike Petrol Gas Bicycle Engine Set for 28" V Frame Bike and 26" ATV Bike

  • 4-stroke 49cc engine kit is perfect to upgrade the regular bike to a motorized bike, fits normal 28¡± V frame bike and 26¡± ATV bike , both with 28-40mm frame tube.
  • With powerful motor and 44 tooth 9 hole sprocket, this motor is with speed 27-32 MPH / or 43-51 KPH. The tank can hold 2.5 litres of petrol and everything comes with the kit.
  • Mode of engine: single cylinder, air-cooling, 4-stroke.
  • Ignition System: Transistorized magneto ignition.This 4-stroke motor is more stable, more reliable and Quieter than the 2 stroke rivals.
  • Key parameters: 41.8 x 36 mm bore stroke.
  • 49cc 4 stroke pull start conversion kit let you enjoy riding at a faster speed. It almost runs as fast as a motorcycle or scooter, making your outdoor trip more convenient.
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X-PRO 150cc Short Case Air cooled GY6 Scooter Engine w/Automatic Transmission Electric Start for GY6

  • Engine Type: Single Cylinder, 4-Stroke, 2-Valve Short Case 150cc GY6 CVT Auto Scooter Engine Use 743-20-30 Belt, Air cooled, CVT, 4 Stroke, auto....
  • GY6 150cc Engine, Automatic Transmission, electric start..
  • This engine assembly comes with Intake Pipe, Drive Sprocket, Sprocket cover & Spark Plug, but doesn't come with Carburetor, Battery, CDI, Voltage....
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6HP 4 Stroke Outboard Motor Boat Engine Heavy Duty Outboard Motor with Air Cooling System Superior Outboard Motor Gas Boat Fishing Boat Engine for Aquaculture Fishing Outdoor Adventure

  • [EASY OPERATION] This outboard motor uses a transistor non-contact electronic ignition device, which is easy to start and can effectively improve....
  • [SPECIFICATIONS] Model:single cylinder、air cool、four stroke、hand pull. Max. Output: 6.0HP. Stroke:4-stroke. Bore and stroke: 70x45mm.....
  • [PREMIUM MATERIAL] Excellent outboard anti-corrosion system and anodes to improve durability. This premium outboard engine has a durable cast aluminum....
  • [WIDE APPLICATION] This outboard machine is not only ideal for inflatable boats, fishing boats, sailing boats, small yachts and small water vehicles....
  • [QUALITY ASSURANCE] Our products are shipped directly from the US warehouse. We have strict quality control system, our products are put into the....
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BILT HARD 301cc 10HP Gas Powered Engine, Horizontal 4 Stroke OHV Gas Motor, Shaft 1" Diameter, 3.48" Length, 1/4" Keyway, Replacement for Go Cart, Compressor, Log Splitter, Pressure Washer

  • OUR MOST POPULAR 7HP GAS POWERED ENGINE- 7HP OHV 4-Stroke Recoil Starting Gas Engine is designed for all DIY or Professional applications. Capable of delivering Powerful Torque & high RPM Speeds. Built to meet & exceed industrial grade quality standards & provide dependable performance. Manufactured to OSHA/ISO Regulations, EPA3 LCRPS.2121GC-010) / CARB(U-U-169-0418) Certified & Approved, making this a solid choice for the everyday Hard Working American!.
  • GEARHEAD SPECS - Our 7HP 209cc Horizontal Cylinder 4 Stroke OHV Recoil Starting Gas Engine has a Max Output Power/Speed of: 4.3kW/3600RPMs & 8.85Ft-Lbs/12.4Nm of Torque @2500RPMs. Counterclockwise Rotating PTO Ball Bearing Support Shaft Dia. of: 3/4" x 2.43”, 3/16" Straight Keyway & 5/16”-24 UNF End Tapered. Compression Ratio of: 8.2:1, Bore x Stroke of: 74.5mm x 48mm. Valve Clearance (Cold) Intake: 0.05-0.10mm & Exhaust: 0.05-0.10mm. Universal 4 Bolt Mounting Pattern: 6.38"/162m x 3.17"/80.5mm..
  • SUPERIOR PRODUCT INTEGRITY - The engine is designed to ensure the operator's safety.
  • Always operate the machine according to directions in the user manual, always wear th....
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AlphaWorks Gas Engine 7HP Motor Horizontal 4 Stroke OHV Recoil Start 3600RPM 8.85Ft-Lbs/12Nm Torque 3/4\ x2.43” Shaft 3/16\ Keyway 5/16”-24 UNF End Tapped Go Kart Log Splitter EPA/CARB Certified

  • OUR MOST POPULAR 7HP GAS POWERED ENGINE- 7HP OHV 4-Stroke Recoil Starting Gas Engine is designed for all DIY or Professional applications. Capable of delivering Powerful Torque & high RPM Speeds. Built to meet & exceed industrial grade quality standards & provide dependable performance. Manufactured to OSHA/ISO Regulations, EPA3 LCRPS.2121GC-010) / CARB(U-U-169-0418) Certified & Approved, making this a solid choice for the everyday Hard Working American!.
  • GEARHEAD SPECS - Our 7HP 209cc Horizontal Cylinder 4 Stroke OHV Recoil Starting Gas Engine has a Max Output Power/Speed of: 4.3kW/3600RPMs & 8.85Ft-Lbs/12.4Nm of Torque @2500RPMs. Counterclockwise Rotating PTO Ball Bearing Support Shaft Dia. of: 3/4" x 2.43”, 3/16" Straight Keyway & 5/16”-24 UNF End Tapered. Compression Ratio of: 8.2:1, Bore x Stroke of: 74.5mm x 48mm. Valve Clearance (Cold) Intake: 0.05-0.10mm & Exhaust: 0.05-0.10mm. Universal 4 Bolt Mounting Pattern: 6.38"/162m x 3.17"/80.5mm..
  • SUPERIOR PRODUCT INTEGRITY - The engine is designed to ensure the operator's safety.
  • Always operate the machine according to directions in the user manual, always wear the appropriate ANSI standard hand and eye protection (ENGINE OIL NOT INCLUDED, MUST ADD UPON UN-BOXING).
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Tachometer for Small Engine,Inductive Hour Meter for 2 Stroke & 4 Stroke Small Engine, Timorn Replaceable Battery Waterproof Tachometer for Chainsaw Marine ATV Motorcycle UTV Engine (Black)

  • ...o use portable tac that gets the job done with minimal complication, hall effect gas generator rpm tester tool hr metre just need wrap the single black wire to contact the spark plug fire of your engine(turn at least 5 rounds to make sure the connection is tight).
  • Waterproof universal hour meter suitable for all two stroke (single/twin/3/6 cylinders) & four stroke (single/twin/3/4/5/6/8/12 cylinders) gasoline engines. resettable electronic tachometer can reset total works hour and maintenance time, monitor the engine status in order to repair in time.
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X-PRO 150cc Short Case Air cooled w/Automatic Transmission Electric Start GY6 Scooter Engine

  • Engine Type: Single Cylinder, 4-Stroke, 2-Valve Short Case 150cc GY6 CVT Auto Scooter Engine Use 743-20-30 Belt, Air cooled, CVT, 4 Stroke, auto clutch, electric start..
  • GY6 150cc Engine, Automatic Transmission, electric start..
  • This engine assembly comes with Intake Pipe, Drive Sprocket, Sprocket cover & Spark Plug, but doesn't come with Carburetor, Battery, CDI, Voltage Regulator, Ignition Coil etc. Best of all, it comes with High quality aluminum cylinder head and iron cylinder body..
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X-PRO 40cc Mini Dirt Bike Mini Pit Bike Dirt Bikes Motorcycle Gas Power Bike Off Road -Black

  • Recommended for young riders.Every package comes with Gloves, Goggle and Face Mask..
  • 【The 4-stroke engines which are more reliable and durable than the 2-stroke engines.】X-PRO kids dirt bike has an engine with 40cc fully automatic....
  • 【Easy & Smooth,Great for a beginner and small children】 the smaller engine offers a smooth and steady acceleration that won't be too fast or too....
  • 【Whole bike is EPA approved】it means the kid's dirt bike will not cause unreasonable adverse effects on users’ health under the instruction....
  • 【Some assembly required】Assembly for dirt bikes include Handle bar brackets, wheels, brakes, number plate and fender. (May differ per model)..
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X-PRO 125cc Kids Dirt Bike Pit Bike Youth Dirt Pit Bike with 4-Speed Manual Transmission Zongshen Engine,Big 14'/12' Tires,Green

  • 123.7cc 4 Stroke, Single Cylinder, Force Air Cooled Engine, keeps engine temperatures reliably under control, even while idling at stoplights--for maximum efficiency and longer engine life..
  • Tube Cradle Frame, High Strength Steel,much heavier than others, very strong and cannot be broken easily..
  • Some assembly required: Assembly for dirt bikes include Handle bar brackets, wheels, brakes, number plate and fender. (May differ per model).
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Quicksilver 10W-30 Oil Change Kit for 4-Stroke Yamaha F75 Through F115 outboards

  • Everything you need for an oil change on all Yamaha F75 through F115 outboards in one box.
  • Kit includes (4) 1L bottles of Quicksilver 10W-30 4-Stroke Marine Engine Oil, Quicksilver premium oil filter, drain plug seal and funnel.
  • Quicksilver 4-Stroke Marine Engine Oil is formulated with advanced corrosion inhibitors and provides outstanding lubricity to reduce wear, scuffing and scoring for improved long-term engine reliability.
  • Quicksilver oil is certified for use in all leading marine brands.
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