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The Best Four-Stroke Replacement Engines

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Discover now our comparison of the best Four-Stroke Replacement Engines. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Four-Stroke Replacement Engines are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Four-Stroke Replacement Engines in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
BILT HARD Gas Engine Vertical Shaft, 173cc 4.4 HP 4-Stroke Gas Motor, Replacement Engine for Lawn Mower, EPA & CARB Compliant
  • POWERFUL ENGINE - The 173cc displacement 4-stroke vertical cylinder gas engine has a max torque of 7.68ft.lbs @2500 RPM, max 3250 RPM speed, 4.4 maximum horsepower, 0.25 gal fuel tank.
  • SHAFT SPECS - 7/8 in Diameter, 3.16 in Length, end tapped with 3/8 in - 24 UNF; Keyway 3/16 in; Mounting pattern 8"; 3/8"-24 UNF tapped hole; 0.079 x 0.34in through-hole.
  • SAFETY - Built-in Force Air-Cooled, Splash Lubrication System and Low oil shutoff function. This engine spark plug system can take RA6HC/DCPR7E/DK7PTC spark plugs, with a clearance of: 0.027-0.0.31 in. It's the perfect replacement engine for a lawnmower.
  • NOTED: The engine is shipped dry so make sure you add gasoline and engine oil correctly before starting (oil is not included).
  • QUALIFIED - With EPA and CARB compliant, each gas engine will be Oil Tested before packaging, so it may touch a little oily, but 100% new condition.
No. 3
GDNTMU 7.5HP Gas Engine, 4-Stroke 210CC OHV Industrial Grade Gasoline Engine Horizontal Shaft Recoil/Pull Start Multi-Use Replacement Engine Motor for Honda GX160 Go Kart Log Splitter Mini Bike
  • 【Wide Application】Go Karts, Mini Bike,Log Splitters, Compressor, Cement Mixer, Scarifier, Lawnmower, RotoTillers, Pressure Washers, Water/Trash Transfer Pump, Dust Collector, Flail Mower, Generator etc
  • 【Overhead Valve (OHV) Design】210CC Single Cylinder Air-Cooled OHV 4-Stroke Gasoline Engine Horizontal Shaft. Low fuel consumption, low operating temperature, high performance.
  • 【Engine Parameters】Fuel Type:Gasoline, Speed:3600rpm, Manual Start System, Bore x Stroke:70 x 56mm, Shaft Diameter: 20mm, Fuel consumption rate:395g/kw.h, Fuel Tank Capacity:0.95Gal, Compression Ration:8.5, Size:14.57"L x 9.06"W x 13.38"H, Weight:13.1KG.
  • 【Large Capacity Air Filter】Improve air filtration performance and reduce wear.
  • 【Metal Cam, Forged Crank Shaft】The whole machine adopts high-quality materials, with stronger performance and longer life. Cast iron cylinder liner, easy to start. Engine running more stable.
No. 4
49CC 2 Stroke Complete Engine Motor Kit - 44mm Big Bore Pocket Bike Engine - Recoil Pull Start Replacement Engine Motor for 49CC 2 Stroke Pocket Bike Mini Dirt Bike ATV Scooter
  • ☑️High-Performance Racing Engine: Our 49CC air-cooled racing engine is designed for speed and power, capable of reaching up to 40mph depending on user weight and terrain. Perfect for 49CC 2 Stroke Pocket Bike, Mini Dirt Bike, ATV, or Scooter enthusiasts.
  • ☑️Easy to Start: The engine features a recoil pull start and a new style easy pull starter, ensuring effortless engine startup. It also includes a balanced crank, balanced flywheel, and ported piston windows for a smooth and powerful ride.
  • ☑️Durable and Reliable: Built to last, this engine boasts a single cylinder design with air-forced cooling. The sprocket size of 14 teeth fits a T8F chain, and it offers a gear box reduction rate of 3.1:1, delivering reliable and consistent performance.
  • ☑️Complete Kit: The engine comes as a complete package, including a high-flow racing air filter, spark plug, grips, and throttle cable. With everything included, you can easily install.
  • ☑️Wide Compatibility: Our engine is compatible with 49CC 2 Stroke Pocket Bikes, Mini Dirt Bikes, ATVs, or Scooters, catering to a wide range of riders. Whether you're an experienced rider or just starting out, this engine provides the speed, power, and reliability you need.
No. 5
Genkins 7HP 4 Stroke 212cc Replacement Engine 3600rpm Recoil Start | GK210… Genkins 7HP 4 Stroke 212cc Replacement Engine 3600rpm Recoil Start | GK210…
  • 7HP OHV 4-Stroke Engine
  • 1 Gal Tank
  • Auto Low Oil Shut Down Prevent Overload Damage
  • Carefree Magnetron electronic ignition
  • Dual Elements Air Cleaner
  • Shaft: 3/4" × 2.43 Keyway: 3/16" (4.76mm) End Tapped: 5/16" - 24 UNF
SaleNo. 6
HIFROM Replacement Outboard Fuel Filter Replacement for 4 Stroke Yamaha Mercury 68V-24563-00-00 881540 18-7979 75-115 HP Engines - 3pcs
  • 1.HIFROM premium quality aftermarket fuel filter,long service life
  • 2.Replace part # 68V-24563-00-00 881540 18-7979
  • 3.Fits Yamaha Mercury 50 60 75 90 115hp 4 Stroke Outboard Motor
  • 4.Package include: 3 x Fuel Filter
  • 5. HIFROM focus on provide high quality products at fair price: Professional factory, Professional technical support; 3 Months warranty; if you unsatisfy with our product, you can return to our USA warehouse, no risk.
No. 7
Flying Horse 49cc 5G 4-Stroke Stock Carburetor Replacement – Gas Bike Complete 4 Stroke Carburetor
151 Consomer Reviews
Flying Horse 49cc 5G 4-Stroke Stock Carburetor Replacement – Gas Bike Complete 4 Stroke Carburetor
  • DIRECT REPLACEMENT: The Flying Horse 49cc 5G 4-Stroke Carburetor is a direct replacement for most 49cc bike engine kits.
  • PRE ASSEMBLED: This carburetor comes completely assembled and ready to bolt on to your engine.
  • EASY INSTALLATON: To install simply locate your carburetor, unbolt it from your cylinder head, replace with this carburetor, and you're ready to hit the road
  • UNIVERSAL FIT: The 4-Stroke Carburetor fits on the Flying Horse 5G and Huasheng 142F 4-stroke 49cc bicycle engine kit
  • PACKAGE INCLUDES: 1x Flying Horse 49cc 5G 4-Stroke Stock Carburetor
No. 8
ZAWAYINE 125cc 4 Stroke Engine Motor Replacement Kit, Electric Start Engine Motor, Air Cooled Semi Auto Transmission W/Reverse Engine for 125cc All Sizes of Karts and ATV
  • Fits (For the reference) - 125cc all size ATVs 125cc all size Go Karts. Compatible Models include: Blade, Kinroad, Roketa, KPX, SUNL, Aimex, Alpha sports, BMS, BMX, Cool Sports, Baja, JCL, Taotao, Peace, JM Star, Jonway, Kazuma, KMD, Kymco, Lance, Linhai, NST, Redcat, Roketa, Tank, X-Treme, Yamati, Coolster, Terminator, Lynx etc.
  • Details - This 4-stroke air-cooled engine with reverse semi-automatic transmission has electric start. The kit comes with intake pipe, drive sprocket, sprocket cover and spark plugs, but without carburetor, battery, CDI, voltage regulator, ignition coil, etc. It fits most Chinese made 125cc ATVs and can also be used to upgrade 50cc-110cc ATVs. This engine fits most Chinese made ATV Go Kart 50cc 70cc 90cc 110cc 125cc as the mounting holes are the same.
  • Efficient and Durable - The 125cc 4-stroke engine is composed of high quality aluminum cylinder head and iron cylinder block for more durability. The high power enables the motor to run at high speed and ensures high efficiency. It can run smoothly at high speed for a long time without interruption. The 125cc 4-stroke engine is highly applicable.
  • Heat Dissipation Design - The outside of the cylinder is covered with metal fins. When the cooling fan blows air through the fins, the heat generated by the engine is released directly into the air. You do not need to purchase an additional radiator; the lube oil screen helps remove solid contaminants from the oil, greatly reducing frictional wear and extending engine life.
  • Aftersale Service - If you have any questions about the product, we will reply within 24 hours and give you the right solution.
No. 9
6.5HP 4 Stroke Gas Engine Motor 160CC OHV Gas Motor Replacement Pull Start Single Cylinder Petrol Gasoline Engine for Compressor Pumping Medicine Machine Generator Go Kart GX160 Motor Replacement
  • 【Strong Power & Noise Reduction】: The 4 stroke gas engine motor has a power of up to 3kw and a high speed of up to 3600r/min, our engines produce a lot of power and help you get the job done quickly and well. The 4 stroke gas engine motor adopts a silencer, which has a good noise reduction effect. This engine works hard to create a quiet working environment for you.
  • 【Large Fuel Tank & Low Fuel Consumption】: The OHV gasoline engine has a large fuel tank capacity of 6.5L/1.72gal allowing it to work for a long time. You don't need to fill the tank frequently, which is very convenient.The OHV overhead valve effectively helps reduce carbon buildup and dramatically improves fuel savings. You can also save a lot of money on fuel costs.
  • 【High Safety】: The OHV industrial grade replacement gas motor is equipped with an oil alarm. If enough oil is not added before starting, the OHV industrial grade replacement gas motor will automatically turn off to protect the machine. Moreover, the cast iron cylinder liner make engine operation smoother and overall performance more stable, thus the machine will not be easily damaged and has a longer service life.
  • 【Build to Last】: The 6.5HP gas powered engine is made of high-quality aluminium body, iron shaft, cast iron cylinder cover, and iron fuel tank, which is strong and durable. Metal materials and forged crankshafts provide it greater performance and longer life.
  • 【Application】:This 160cc gas go kart engine can can be used widely with pumping machines, micro tillers, cleaning machines, spraying machines, medicine machines, threshing machines, smoothing machines, etc.
No. 10
PZ20 Carburetor Replacement for Kazuma Baja 50cc -125cc TaoTao 110B NST SunL Chinese Quad 4 stroke ATV 4 wheeler Go kart Dirt Bike CRF50F XL75 CRF80F XR50R with 35MM Air Filter +Inlet Pipe Manifold
  • PZ20 Carburetor Apply to Kazuma Baja 50cc 70cc 90cc 110cc 125cc TaoTao 110B NST SunL Chinese Quad 4 stroke ATV 4 wheeler Go kart Dirt Bike CRF50F 2004-2009 2011-2012, XL75 CRF80F 2004-2009 2011-2013, XR50R with Air Fuel Filter
  • PZ20 Carburetor For TaoTao NST SunL Kazuma Baja 50cc 70cc 90cc 110cc 125cc ATV Go kart,with 35MM Air Filter +Inlet Pipe Manifold
  • PZ20 Carburetor can Replacement for Chinese made 50cc 70cc 90cc 110cc 125cc kids ATV,Go-kart,Dirt Bike,Pocket Bike.
  • Replacement of most Chinese brand carbs such as Taotao SunlRoketa Coolster, Taotao, Roketa, Kazuma Buyang, Coolsport, Lifan, Kazuma, AIM-EX, , Redcat, Eagle; Carburetor for Dirt Bike ATVs, Quads, Go Carts, and UTVs CRF XR 4 stroke under 125CC ATVs Chinese ATVs, go karts with 4 stroke engine PZ20 Carburetor fit Models for Buyang, Coolsport, Lifan, Kazuma, SUNL, Redcat, Eagle; Go kart SUNL TAOTAO.
  • We provide carefree return, and 90 days money back guarantee! Lifetime warranty against manufacturer defect!

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Last update on 2024-04-29 / Affiliate links / Images from Amazon Product Advertising API