---
product_id: 623684283
title: "Upgrade 125cc Engine Pit Dirt Bike Engine Kit Manual Clutch 4-Stroke Motor Single Cylinder Motor Engine for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & ATV Go Kart Motorcycle"
brand: "cubellin"
price: "₩706623"
currency: KRW
in_stock: true
reviews_count: 4
url: https://www.desertcart.kr/products/623684283-upgrade-125cc-engine-pit-dirt-bike-engine-kit-manual-clutch
store_origin: KR
region: South Korea
---

# 30.43oz Tank High Torque 125CC Power Upgrade 125cc Engine Pit Dirt Bike Engine Kit Manual Clutch 4-Stroke Motor Single Cylinder Motor Engine for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & ATV Go Kart Motorcycle

**Brand:** cubellin
**Price:** ₩706623
**Availability:** ✅ In Stock

## Summary

> 🏍️ Rev Up Your Ride with the Ultimate 125CC Engine!

## Quick Answers

- **What is this?** Upgrade 125cc Engine Pit Dirt Bike Engine Kit Manual Clutch 4-Stroke Motor Single Cylinder Motor Engine for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & ATV Go Kart Motorcycle by cubellin
- **How much does it cost?** ₩706623 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/623684283-upgrade-125cc-engine-pit-dirt-bike-engine-kit-manual-clutch)

## Best For

- cubellin enthusiasts

## Why This Product

- Trusted cubellin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash the Power:** Experience the thrill of a 125CC engine with a compression ratio of 9.0:1 for unmatched performance.
- • **Fuel Up for Adventure:** With a generous 30.43oz fuel tank, enjoy extended rides without frequent refueling.
- • **Easy Assembly, More Fun:** Complete kit with all necessary components makes installation a breeze, so you can hit the trails faster.
- • **Stay Cool Under Pressure:** Innovative heat dissipation structure ensures your engine stays cool, even during intense rides.
- • **Precision at Your Fingertips:** 4-speed manual clutch transmission offers precise gear control for an exhilarating driving experience.

## Overview

The Upgrade 125cc Engine ATV Motor is a high-performance 4-stroke single-cylinder engine designed for pit bikes and go-karts. It features a robust 125CC capacity, efficient heat dissipation, a large 30.43oz fuel tank, and a reliable CDI ignition system. This complete kit includes all necessary components for easy assembly, making it an ideal upgrade for Honda XR50, XR70, CRF50, and CRF70 models.

## Description

Upgrade 125cc Engine Pit Dirt Bike Engine Kit Manual Clutch 4-Stroke Motor Single Cylinder Motor Engine for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & ATV Go Kart Motorcycle

## Features

- 125CC ENGINE: Compression Ratio: 9.0:1.Max Torque: 8.0 Nm/5000r/min±250r/min. This 4-stroke pit bike engine is characterized by high power, high-rated speed, and high torque, which delivers excellent performance.
- GOOD HEAT DISSIPATION: The 125CC Engine motor adopts a heat dissipation structure, which can quickly dissipate heat and prevent the engine from burning out after prolonged use. Meanwhile, the air cooling system allows for faster cooling, reducing the failure rate.
- 30.43OZ FUEL TANK: The 125CC Engine has a large fuel tank capacity(30.43oz) to sustain long hours of operation. This complete engine kit comes with CRF50 125CC Engine + Kick Starter Lever + Gear Shift Lever + Carburetor + Intake Manifold + CDI + Sprocket Cover + Intake Gaskets + Some Screws for Assembly.
- HIGH-PERFORMANCE CARBURETOR: The 125cc dirt bike engine is designed with a high-performance carburetor, which has the advantages of simple structure, lower cost, and easy maintenance, as well as reliability and durability.
- CDI IGNITION SYSTEM: This 125CC Engine adopts CDI ignition, which reduces the cost and improves the reliability of the ignition. Compatible with 125cc Motorcycle ATV Dirt Bike and vehicles.This is a great replacement for them. Much better quality than factory motor. The compression ratio is nice and has more power than most factory 125cc motor engine as well.
- PRECISE CONTROL: 125cc engine with 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.
- ASSEMBLY IN A BREEZE: Complete installation accessories and a simple structure allow you to complete the assembly in a very short time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CUBELLIN |
| Brand | CUBELLIN |
| Model | Pit Bike Engine |
| Item model number | 125CC ATV Engine Motor |
| Exterior | Polished |
| Manufacturer Part Number | ATV Engine Motor with CDI System |

## Images

![Upgrade 125cc Engine Pit Dirt Bike Engine Kit Manual Clutch 4-Stroke Motor Single Cylinder Motor Engine for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & ATV Go Kart Motorcycle - Image 1](https://m.media-amazon.com/images/I/71UhZ0v0voL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great motor
*by B***E on July 16, 2025*

Fit right up wiring was pretty simple and it started right up first kick make sure to do a oil change before first start it gets up and goes through all the gears and feels pretty zippy quality in the same as OEM Chinese motors gatta love em and for a steal of a price

### ⭐ Arrived damaged 🤬
*by S***. on October 22, 2024*

I paid $80 in Freight just for this to be broken when it arrived? I'm pretty mad right now and I'm expecting a full refund on this as I spent nearly $300

### ⭐⭐⭐⭐⭐ Highly recommended
*by D***C on June 26, 2024*

This engine fit my SSR frame I highly recommend it. It runs perfectly. I have yet to have an issue with it it idols and starts first kick every time you can buy this engine and have no worry about it mechanically failing. This thing is awesome.

## Frequently Bought Together

- CUBELLIN Upgrade 125cc Engine ATV Motor 4-Stroke Single Cylinder Motor Engine Manual Clutch Pit Dirt Bike Parts Complete Kit for Honda XR50 XR70 CRF50 CRF70 & Dirt Pit Bike & Go Kart Motorcycle
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- LAXEEM Wire Harness Wiring Loom CDI Ignition Coil Spark Plug Rebuild Kit for 50cc 70cc 90cc 110cc 125cc Stator CDI Coil ATV Quad Bike Buggy Go Kart

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-24*