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United Express Distribution  |  SKU: ENGN-0012-SL-[Kit]

125cc 4-Stroke Complete Racing Engine, Single Cylinder, Air-Cooled, 4-Speed Manual Clutch, for Dirt and Pit Bikes (Coolster, CRF, Honda), Silver

Regular price $299.97


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

Will it fit your machine?

Not sure? Text or email a photo of your old part or your engine model number. We'll confirm it fits before you buy.

Delivery and Shipping

Ships from our Duluth, Georgia warehouse.

Most in-stock orders ship the same business day. UPS orders placed before 3:00 PM ET, USPS orders before 12:00 PM ET. After the cutoff, they go out the next business day.

Standard delivery runs 2 to 6 business days to most US addresses. US territories take 7 to 14. These are carrier estimates, not guarantees.

Free shipping on most parts, no minimum order. Oversized items (body kits, wheels, tires, batteries, and engines) are quoted to your address and shown at checkout before you pay.

We ship UPS and USPS, and email your tracking number as soon as the order leaves.

Questions? Call or text 404-532-9833. Full details on our Shipping page.

Description

125cc MOTOR ENGINE 4 speed Manual Clutch Pit Dirt Bike Coolster CRF 1P54FMI

The RedCap Lifan 125cc 4-Stroke Racing Engine Motor Assembly provides capabilities for adrenaline-fueled rides. Featuring a manual-clutch International shift with 1 down and 3 up gear ratios, it's designed for racing seeking accuracy and power. With its durable 4-stroke single-cylinder OHC air-cooled design, this engine delivers reliable functioning across different terrains. Equipped with a robust 8.72 HP output at 7,500 RPM and a maximum torque of 8.0N.m at 5,500 RPM, it makes certain exhilarating acceleration and control. Compatible with Honda bikes and boasting a three-disc crank-mounted heavy-duty manual clutch, this engine provides durability. Whether navigating dirt tracks or conquering racing circuits.
  • Included Package: The included package for the 125CC 1P52FMI engine features essential components such as the kick starter lever, gear shift lever, carburetor, intake manifold, and CDI unit, providing a comprehensive setup for scooter enthusiasts. The package provides convenience and peace of mind for hassle-free installation.
  • Elevated Efficiency: The Lifan 1P54FMI-125cc engine stands out for its exceptional efficiency, delivering a robust 8.72 HP at 7,500 RPM. This power makes it a top choice for racing enthusiasts and off-road adventurers, making certain an exhilarating ride across any terrain and providing a dependable adventure.
  • Reliable Ignition: The Lifan 1P54FMI-125cc engine features a dependable CDI ignition system for consistent delivery. This reliability ensures optimal performance even in demanding conditions, where accurate ignition timing is crucial. Whether navigating rough terrain or racing, riders can believe this ignition system.
  • Sturdy Construction: The Lifan 1P54FMI-125cc engine features a durable 4-stroke single-cylinder OHC air-cooled design. Its robust construction, including a large domed combustion chamber and heavy-duty manual clutch, ensures longevity and endurance in different riding conditions. A reliable choice for efficiency on and off the track.
  • Ease of Maintenance: This engine is designed for ease of maintenance with accessible components like the Kickstarter and different carburetor options. This accessibility simplifies maintenance and tuning, reducing downtime and improving performance, allowing riders to effortlessly maintain optimal engine longevity and reliability.
Specs:
  • Engine Model: Lifan 1P54FMI-125cc
  • Type: 4-stroke single-cylinder OHC air-cooled
  • Bore & Stroke: 54 X 54mm
  • Compression ratio: 9.47:1
  • Displacement: 123.7cc
  • Max. HP: 8.72 HP @ 7,500 RPM
  • Max. Torque: 8.0N.m @ 5,500 RPM
  • Carburetor: Walbro, Mikuni, or Sheng Wey
  • Idle: 1,500 RPM
  • Starter: KickStart
  • Spark plug: A7TC or NGK C6HSA
  • Plug Gap: .28 or 0.6-0.8mm
  • Ignition system: CDI (Capacitive Discharge Ignition)
  • Lubrication: Pressure / Splash
  • Oil capacity: 0.9L (15w/40-SE)
  • Measurements: 18 1/4" x 11" x 11"
  • Weight: 44.1/4 lbs (Engine only) Shipped 52lbs
  • Clutch: manual clutch-wet
  • Gears: 4 speed (primary reduction: 3.722 manual, 4.059 Auto)
  • Gear Ratios: 2.833/1.706/1.238/0.958
  • Magneto: Permanent magnetic
  • Voltage: 12 Volt
  • Sprocket: 428 15T 20mm
This is a new race high-efficiency engine, Manual-clutch International shift 1 down 3 up w/Clutch, 4 Stroke 4 Speed Complete Racing Engine for Honda Bikes. This engine has a three-disc crank-mounted heavy-duty manual clutch. The head has a large domed combustion chamber with large valves. The intake valve is 27mm exhaust valve is 23mm. This engine must be neutral to start with a Kickstarter.

Note: Check pictures and measurements to verify if this product is the correct application for your model.

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