---
product_id: 28134804
title: "X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start"
brand: "x-pro"
price: "E£ 20224"
currency: EGP
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.eg/products/28134804-x-pro-125cc-4-stroke-atv-engine-semi-auto-transmission
store_origin: EG
region: Egypt
---

# Electric Start Semi-Auto Shift 125cc Power X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start

**Brand:** x-pro
**Price:** E£ 20224
**Availability:** ✅ In Stock

## Summary

> 🏁 Rev Up Your Ride!

## Quick Answers

- **What is this?** X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start by x-pro
- **How much does it cost?** E£ 20224 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/28134804-x-pro-125cc-4-stroke-atv-engine-semi-auto-transmission)

## Best For

- x-pro enthusiasts

## Why This Product

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

## Key Features

- • **Instant Ignition:** Get going in seconds with a reliable electric start—no more kickstarting hassles!
- • **Seamless Shifting:** Enjoy the ease of a semi-automatic transmission with reverse for effortless maneuvering.
- • **Upgrade Your Ride:** Transform your ATV experience and stand out on the trails with this high-performance engine.
- • **Unleash Your Adventure:** Experience the thrill of a powerful 125cc engine that takes your ATV to the next level.
- • **Versatile Compatibility:** Designed to fit most China-made 125cc ATVs, perfect for upgrading from 50cc-110cc models.

## Overview

The X-PRO 125cc 4-Stroke ATV Engine features a robust 125cc motor with a semi-automatic transmission and reverse, designed for easy installation on most China-made ATVs. With an electric start for quick ignition, this engine is perfect for upgrading smaller ATVs, ensuring a thrilling ride every time.

## Description

125cc Semi-Auto w/Reverse ATV Engine Motor for 50cc 70cc 90cc 110cc Quad 4 Wheeler Engine Model: 308-999021;  Ignition Method: CDI;  Engine Type: Single Cylinder, 4-Stroke, 2-Valve; Lubrication Pressure/splash;  Cooling System: Air Cooled; Fuel Supply: Carburetor Atomization; Horsepower:7.64HP/7000-8000Rpm (5.7KW/7000-8000Rpm); Starter: Electric Starter; Max.Torque: 8.0N.m/5000-6000rpm;  Transmission: Semi Automatic (3 forward,1 reverse); Min. Stable Idle Speed: 1350-1650r/min; Clutch: Automatic Multi-plate Wet Clutch; Min. Fuel Consumption: 9.65oz/HP.h (367g/Kw.h); Cylinder Diameter: 2.13" (54mm); Carburetor Model:PZ22;  Piston Stroke: 1.95" (49.5mm); Carburetor Type: Plunger type carburetor; Bore & Stroke: 2.13" x 1.95" (54mm x 49.5mm); Spark Plug Model: A7TC;  Cylinder Working Volume: 0.03 Gallon (120ml); Fuel No.:>= 87#; Compression Ratio: 9.0:1; Lubrication Model: SF15W/40-SE;  Ignition Type: CFW; Lubrication Capacity: 0.20 Gallon (900ml);PLEASE NOTE: Please measure the physical size to be sure you get the correct one.

## Features

- 125cc Engine Motor.
- 4 Stroke Engine, Semi Automatic Transmission w/Reverse, electric start. It fits most China made 125cc ATVs and can be used for upgrading 50cc-110cc ATVs.
- When purchasing this engine, please pay special attention to whether the plug-in is compatible with your bike. If it not, you need to purchase an additional plug-in for modification.

## Product Details

- **Brand:** X-PRO
- **Material:** Aluminum
- **Item Weight:** 65 Pounds
- **Wattage:** 5.7 KW
- **Phase Type:** Single Phase

## Images

![X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start - Image 1](https://m.media-amazon.com/images/I/51V-6CW9DfL.jpg)
![X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start - Image 2](https://m.media-amazon.com/images/I/5173zJQh6bL.jpg)
![X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start - Image 3](https://m.media-amazon.com/images/I/51px7Uit5NL.jpg)
![X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start - Image 4](https://m.media-amazon.com/images/I/515edE4u57L.jpg)
![X-PRO 125cc 4-Stroke ATV Engine Semi-Auto Transmission with Reverse, Electric Start - Image 5](https://m.media-amazon.com/images/I/41DjPUKXuGL.jpg)

## Questions & Answers

**Q: what is the warranty on this motor?**
A: I don’t remember but I wouldn’t buy this price of crap again

**Q: Can this motor be kick started?**
A: No kick start on this motor

**Q: I need to find a gear indicator for this engine, i am looking but can only find one that has dnr. it also needs to connect to the plug**
A: Best of luck on that, I had trouble finding a correct wiring diagram to get it to start. After hours of searching online forums I managed to do it on the first try. I do know there were a few extra wires that i didnt not use coming out of the engine, one being a kill switch.

**Q: How do you shift into reverse, this is not going onto a pit bike, but a tao tao 110cc atv without a clutch lever. do i need to buy one for this?**
A: Has a wet clutch don't need lever it's like semi automatic

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by T***T on June 19, 2023*

Easy to install

### ⭐⭐⭐ Leaks tiny amount of oil
*by D***. on July 27, 2018*

Everything mechanically about this motor is great! I’ve put it through some harsh testing and it never gave out or broke! Just to tell you how strong this motor is, it takes up to 30 minutes at full throttle for the motor to start smoking! Now I know you don’t want your motor to smoke but your also not gonna be full throttling it for 30 minutes straight! I put this motor on a 110cc frame pit bike and fit perfectly! (2 modifications needed) top speed I got was 42mph (I weigh 200lbs). BUT there was one small issue that the motor came with a tiny (and I mean tiny) hole where I guess a seal broke (don’t know from shipping or manufacture) and it causes the bike to leak a drop of oil every minute. That’s the only downside I have of this engine but even with that issue it doesn’t harm the motor. You just need to fill up oil probably a month earlier than normal. 3 stars because oil isn’t cheap and that to some people would be enough to not buy this but it’s still a great engine and worth a buy if you know your way around small motors!

### ⭐⭐ Useless
*by T***L on May 29, 2023*

When you can’t even get an answer on how to wire the motor, it’s not worth it have a a paperweight. That’s what it amounts to. Can’t figure out how to wire the thing because they won’t tell you nothing about it. Tell me it was a black wire there’s no black wire in that motor. Where comes out by the gear is blue, so they don’t know what they’re talking about they don’t build a motor or something but I don’t want no more of it. I’ve been trying to get it figured out I have a man coming to pick it up today to see if he can figure out how to wire the stupid motor , but I wouldn’t buy it again for nothing matter fact I want my money back a refund please

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**Shop now:** [https://www.desertcart.com.eg/products/28134804-x-pro-125cc-4-stroke-atv-engine-semi-auto-transmission](https://www.desertcart.com.eg/products/28134804-x-pro-125cc-4-stroke-atv-engine-semi-auto-transmission)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-01-31*