Semi-auto Clutch Kick Start Lf 90cc Dirt Bike Engine
Semi-Auto Clutch & Kick Start 90cc 4-Stroke Dirt Bike Engine
The 90cc 4 stroke engine adopts a semi-automatic clutch and foot-start structure, integrating basic components such as cylinder block and crankshaft. It has the characteristics of relatively simple operation and power output suitable for off-road conditions.
147FMF(90)
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Main Technical Specifications |
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Model: |
147FMF |
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Type: |
Single cylinder,four-stroke,air-cooled |
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Displacement: |
86 ml |
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Bore x Stroke: |
47 mm x 49.5 mm |
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Rated Power & Rotating Speed: |
3.4/8000 KW/(r/min) |
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Max.Torque & Rotating Speed: |
4.5/5500 N.m/(r/min) |
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ldling Speed: |
1500±150 r/min |
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Min.Fuel Consumption: |
≤ 367 g/KW.h |
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lgnition: |
CDI |
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Starter: |
Electric/Kick |
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Lubrication: |
Pressure/Splash |
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Transmission: |
4speed ,Rotary |

Product Advantages
Durable
The 90cc semi auto engine uses a 45# heat-treated steel crankshaft and an ADC12 one-piece die-cast housing, with a load-bearing structure strength of 210MPa. It is suitable for continuous high-load operation on bumpy roads such as sand and mountains. It can be used stably for more than 5 years with an average daily use of 2 hours, without cracks or housing fatigue failure.
Waterproof
The pit bike 90cc engine uses a fully encapsulated CDI ignition system, and the external cable interface is equipped with a weather-resistant silicone sheath; the housing joint surface is finely ground to ±0.01mm and equipped with a high-elastic sealing ring to effectively isolate mud and rainwater, making it suitable for off-road use in rainy days and muddy fields, and there is no misfire during continuous use.
Powerful
The semi auto clutch kick start 90cc engine has a maximum torque of 4.5N·m/5500r/min, and with an optimized valve system design, it can quickly respond to throttle commands, easily start and speed up even on steep slopes, soft mud or off-road obstacle terrain, and its power is better than that of 70~80cc products of the same level.
Fitment
Purpose: Replacement/Repair
Condition: Brand New
Minimum Order Quantity: 50 Sets
Origin: Chongqing, China
Type: Motorcycle Engine/Tricycle Engine/All Terrain Vehicle Engine
Color: Silver, Black, Gold
Quantity: 100% Tested Before Delivery
Supply Capacity: 800 Sets/Day
Customization
Appearance Logo Customization
According to customer brand requirements, laser engraving or silk-screen LOGO can be added to the 90cc semi auto engine housing or starter pull plate to enhance brand recognition.
Graphic Element Customization
Specific graphics, patterns or icon styles can be provided to integrate into the appearance components of the pit bike 90cc engine to achieve a differentiated appearance.
Shell Color Customization
The color of the dirt bike 90cc engine shell components such as the cylinder block, crankcase, and starter cover can be customized, supporting multiple process treatments such as electroplating, spraying, and oxidation.
Start Method Customization
In addition to the standard pedal start, you can choose electric start or pedal + electric start combination to adapt to different application scenarios and customer preferences.
Specifications
Semi auto clutch kick start 90cc engine supplied to many countries: Japan, Germany, Russia, Algeria, Poland, Nigeria












FAQ
Q: What are your packing terms?
A: Usually, we use neutral white cartons and brown cartons to pack our goods. If you have a legally registered patent, we can use your branded cartons to pack our goods after receiving your authorization letter.
Q: What are your payment terms?
A: T/T 30% deposit, 70% paid before shipment. We will show you photos of the products and packaging before you pay the balance.
Q: What are your delivery terms?
A: EXW, FOB, CFR, CIF, DDU.
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