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United Express Distribution  |  SKU: ENGN-0012-SL

Lifan 125cc 4-Stroke Complete Racing Engine Motor Assembly, Single Cylinder with Air-Cooled Compatible for 125cc 4-speed Manual Clutch Pit Dirt Bike Coolster CRF 1P54FMI, Honda Bikes - (Silver)

Regular price $269.97


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

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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 Lifan 125cc 4-Stroke Racing Engine Motor Assembly provides high-performance capabilities for adrenaline-fueled rides. Featuring a manual-clutch International shift with 1 down and 3 up gear ratios, it's designed for racing enthusiasts seeking precision and power. With its durable 4-stroke single-cylinder OHC air-cooled design, this engine delivers reliable performance across various 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 and endurance. Whether navigating dirt tracks or conquering racing circuits.
  • High Performance: The Lifan 1P54FMI-125cc engine is celebrated for its exceptional performance, delivering a potent 8.72 HP at 7,500 RPM. This power output positions it as a top choice for both racing enthusiasts and off-road adventurers craving thrilling experiences. With its dependable performance and impressive torque, this engine provides an exhilarating ride across any terrain or competition, providing an adrenaline-fueled adventure every time.
  • Smooth Shifting: The manual-clutch International shift configuration of the Lifan 1P54FMI-125cc engine, featuring 1 down and 3 up shifts, provides smooth and precise gear changes. This setup enhances control and acceleration, allowing riders to adapt effortlessly to different terrains and riding conditions. Whether navigating challenging trails or accelerating on straightaways, this transmission system ensures a seamless and responsive riding experience.
  • Reliable Ignition: The Lifan 1P54FMI-125cc engine is equipped with a dependable CDI ignition system, providing consistent spark delivery. This reliability ensures optimal performance even in the most demanding conditions, where accurate ignition timing is crucial. Whether navigating rough terrain or pushing the limits on the race track, riders can believe in the engine's ignition system to deliver reliable power and performance throughout their adventures.
  • Durable Construction: The Lifan 1P54FMI-125cc engine is crafted with durability in mind, boasting a sturdy 4-stroke single-cylinder OHC air-cooled design. Its robust construction, including a large domed combustion chamber, ensures longevity and endurance in various riding conditions. Additionally, the inclusion of a heavy-duty manual clutch further enhances durability, making this engine a reliable choice for enduring performance on and off the track.
  • Ease of Maintenance: The Lifan 1P54FMI-125cc engine prioritizes ease of maintenance, featuring readily accessible components such as the kick starter and a range of carburetor options including Walbro, Mikuni, or Sheng Wey. This accessibility streamlines maintenance tasks and tuning processes, ensuring minimal downtime and optimal engine performance. By simplifying upkeep procedures, riders can effortlessly optimize 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-performance 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.

Wiring:
wiring diagram

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