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CRF50 125CC 4-Stroke Motorcycle Engine, High Performance Air-Cooled Engine with 4-Speed Manual Clutch Compatible with Honda CRF50/CRF70/XR50/XR70/Z50 Mini Trail & Dirt Bikes

CRF50 125CC 4-Stroke Motorcycle Engine, High Performance Air-Cooled Engine with 4-Speed Manual Clutch Compatible with Honda CRF50/CRF70/XR50/XR70/Z50 Mini Trail & Dirt Bikes | Repair and Installation Guide

$235.99

SKU: C-B0F7X3GWY3 Category:

Review this component in the context of the repair, installation access, nearby parts, and the result the job is intended to achieve.

  • Easy to Operate: The engine features a CDI ignition system, which leads to higher energy and ignition efficiency. So you can start the engine quickly and safely.
  • Precise Control: Its 4-speed manual clutch transmission provides you with high-precision gear shifting control, so it allows you to easily adapt to various changes. It makes your driving experience more exciting under different road conditions.
  • Effective Cooling System: By adopting an air cooling system, the temperature of the engine can be quickly reduced, effectively preventing overheating and ensuring smooth and long-lasting driving.
  • Powerful Engine: The 4-stroke engine can provide higher intake and exhaust efficiency, saving energy and fuel (Min. Fuel Consumption: ≤367g/kW.h). It can provide stronger power (Max. Power: 6.5 kW/7500r/min±375r/min) during driving and ensure that your drive will be very smooth and powerful.
  • This engine fits for such motorcycles as HONDA CRF50/CRF70/XR50/XR70/Z50/Z50R/CT70 Mini Trail/Z50/Mini Trail Monkey/XL70 ST70/QA50/QR50/CL70/SL70/70 Passport/ST 90K2/ST 90K1/CS 90/SL 90/ZB 50.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.

Description

Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.

Description

Engine Type: Single Cylinder, 4 Stroke

Material: Aluminium, Cast Steel

Ignition System: CDI

Start Mode: Kick-starter

Clutch: Wet Multi-plate

Transmission: 4-speed, Manual Clutch

Displacement: 125CC

Compression Ratio: 9.0:1

Max Power: 6.5 kW/7500r/min±375r/min

Rated Power: 5.6 kW/7500r/min±375r/min

Max. Torque: 8.0 Nm/5000r/min±250r/min

Idle Speed: 1500r/min±100r/min

Min. Fuel Consumption: ≤367g/kW.h

Spark Plug: A7TC

Carburetor Type: PZ16J

Primary Reduction Ratio: 3.722

Gear Ratio: 2.833/1.706/1.238/0.958

Lubricant Capacity: 900ml

Lubricant: SAE15W/40-SE, 4-stroke Gasoline Engine Oil

Engine Dimensions: 42.5*27*23cm/16.73*10.63*9in

Package Size: 48.5*37*35.2cm/19.1*14.57*13.86in (Outer); 46*31.5*25.5cm/18.1*12.4*10in (Inner)

Net Weight: 19.2kg/42.33lbs

Gross Weight: 21.3kg/46.96lbs


Package Included

1* CRF50 125CC Engine

1* Kick Starter Lever

1* Gear Shift Lever

1* Carburetor

1* Intake Manifold

1* CDI

1* Sprocket Cover

3* Intake Gaskets

Some Screws for Assembly


Notes

1. Please note this product is for motorcycles only.

2. Please note that there may be oil stains on the received package. This situation is normal. Please rest assured to use it.

3. The installation is very complicated, so we strongly recommend that this engine be installed by professionals.

4. Please check the lubricating oil lever before driving.

5. Please change the oil and clean filter every 300km and do not exceed 50km/h maximum during the first 500km.

Product facts

Specifications

Canonical product
MP-US-B0F7X3GWY3
Source product ID
B0F7X3GWY3
Category
Replacement Parts / Engines & Engine Parts / Engine Kit Products / Engine Kits
Available images
7

Vehicle information

Available fitment details

Listing compatibility notes

  • This engine fits for such motorcycles as HONDA CRF50/CRF70/XR50/XR70/Z50/Z50R/CT70 Mini Trail/Z50/Mini Trail Monkey/XL70 ST70/QA50/QR50/CL70/SL70/70 Passport/ST 90K2/ST 90K1/CS 90/SL 90/ZB 50.

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Repair scenarios, installation, companion parts, and use outcomes

Buying guidance

Quick decision

Review this engine kits in the context of the repair and the surrounding components.

Repair scenario

  • Identify the symptom and confirm that this is the component required by the repair.
  • Inspect nearby connectors, fasteners, and mating surfaces before installation.

Installation notes

  • Use the listing instructions when present and follow the vehicle service procedure.
  • Professional installation may be appropriate when the repair requires special tools or calibration.

Companion parts

  • Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
  • Use the service procedure and the visible package contents to identify any additional parts or tools required.

Before you buy

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  • Confirm vehicle compatibility and installation requirements before ordering.

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