---
product_id: 679805194
title: "140CC Engine 4 Stroke Racing Engine, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch Fit For Pit Dirt Bike, Honda CRF50 CRF70 XR50 XR70 Z50 Z50R"
brand: "ebikestar"
price: "$21714"
currency: MXN
in_stock: true
reviews_count: 5
category: "Ebikestar"
url: https://www.desertcart.mx/products/679805194-140cc-engine-4-stroke-racing-engine-4-speed-horizontal-single
store_origin: MX
region: Mexico
---

# 8kW max power & 9.5N.M torque 140cc high-performance engine Durable aluminum alloy & cast steel build 140CC Engine 4 Stroke Racing Engine, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch Fit For Pit Dirt Bike, Honda CRF50 CRF70 XR50 XR70 Z50 Z50R

**Brand:** ebikestar
**Price:** $21714
**Availability:** ✅ In Stock

## Summary

> ⚡ Dominate the dirt with power and precision – your pit bike’s ultimate upgrade!

## Quick Answers

- **What is this?** 140CC Engine 4 Stroke Racing Engine, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch Fit For Pit Dirt Bike, Honda CRF50 CRF70 XR50 XR70 Z50 Z50R by ebikestar
- **How much does it cost?** $21714 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/679805194-140cc-engine-4-stroke-racing-engine-4-speed-horizontal-single)

## Best For

- ebikestar enthusiasts

## Why This Product

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

## Key Features

- • **Race-Ready Powerhouse:** Unleash 8kW max power with precision 4-speed manual clutch control.
- • **Plug & Play Versatility:** Fits a wide range of Honda pit bikes and mini trails for instant upgrade.
- • **Rapid Response Ignition:** CDI ignition system guarantees fast startups and reliable performance every ride.
- • **Engineered for Endurance:** Premium aluminum alloy and cast steel ensure rugged durability and superior heat dissipation.
- • **Complete Installation Kit:** Includes all essential components for a hassle-free, quick engine swap.

## Overview

This 140cc 4-stroke horizontal single-cylinder engine delivers 8kW max power and 9.5N.M torque, engineered with durable aluminum alloy and cast steel for long-lasting performance. Featuring a CDI ignition system and 4-speed manual clutch, it fits popular Honda pit bike models like CRF50, XR70, and Z50R. The package includes all necessary parts for quick installation, making it the perfect high-performance upgrade for serious riders.

## Description

Description: Material: Aluminium Alloy, Cast Steel Type: Single-cylinder, Horizontal, Four-stroke Gear: 1N234 Ignition: CDI Displacement: 140cc Bore x Stroke: 55* 59mm/2.2*2.3in Max. Power & Corresponding Speed: 8kw(7500±375) Max. Torque & Corresponding Speed: 9.5N.M(5000±250) Start Mode: Kick Starter Compression: 9.0:1 Engine Oil: 900ml/30.44Oz, 15W/40-SE, 4 Stroke Oil Gears: 4 Speed Manual Clutch, 1N234 Sprocket: 14T 428 17mm/0.67in Package Included: 1*140CC Engine 1*Kick Starter Lever 1*Gear Shift Lever 1*Sprocket Cover 1*Washer 2*Gaskets 1*Carburetor 1*CDI 1*Intake Manifold 4*Screws Applicable Models: FOR HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /

Review: Easy to install
Review: Good til it wasn’t

## Features

- 【High Performance Engine】A high performance single cylinder, horizontal 4-stroke engine,140cc Displacement, 8kw Max Power, 7500±375 ,Corresponding Speed, 9.5N.M Torque. CDI Ignition System, 4 Speed Manual Clutch,1N234 Gear, delivers an impressive surge of strength and control to the vehicle.
- 【Premium Materials & Excellent Performance】The 140cc engine kit is made of high-quality aluminum alloy and cast steel, sturdy and durable. The outside of the cylinder is covered with metal sheets that release the heat generated by the engine directly into the air. It has strong adaptability to environmental changes, fast startup, strong heat dissipation, and is suitable for long-term use.
- 【Applicable models】140cc pit bike engine for HONDA CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 /ST 90K1 / CS 90 / SL 90 / ZB 50 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2.
- 【Widely Used】140cc engine is widely used in motorcycles, bicycles, models, skateboards, etc. It has engines and accessories with stable performance, strong power, long life, and other excellent qualities. And the complete accessories allow you to complete installation and start using it in a short period of time.
- 【Package includes】1*140CC Engine, 1*Kick Starter Lever, 1*Gear Shift Lever, 1*Sprocket Cover, 1*Washer, 2*Gaskets, 1*Carburetor, 1*CDI, 1*Intake Manifold, 4*Screws.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ebikestar |
| Brand | Ebikestar |
| Model | 140cc pit bike engine |
| Item model number | 140cc engine |
| Exterior | Painted |
| Manufacturer Part Number | 140cc |

## Images

![140CC Engine 4 Stroke Racing Engine, 4 Speed Horizontal Single Cylinder Motor Engine CDI Kick Starter Manual Clutch Fit For Pit Dirt Bike, Honda CRF50 CRF70 XR50 XR70 Z50 Z50R - Image 1](https://m.media-amazon.com/images/I/71vCn7Zw02L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to install
*by C***H on 3 November 2025*



### ⭐ Good til it wasn’t
*by R***R on 10 December 2025*



### ⭐⭐⭐⭐ Great engine… plenty of power and speed but neutral is hard to find.
*by P***I on 5 July 2025*



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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-31*