---
product_id: 120694525
title: "62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125"
brand: "yunshuo"
price: "R301"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/120694525-62mm-big-bore-cylinder-for-125cc-150cc-atv-dirt-bike
store_origin: ZA
region: South Africa
---

# 62mm precision bore Complete piston kit included 150cc power upgrade 62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125

**Brand:** yunshuo
**Price:** R301
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Upgrade your ride, dominate the dirt!

## Quick Answers

- **What is this?** 62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125 by yunshuo
- **How much does it cost?** R301 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/120694525-62mm-big-bore-cylinder-for-125cc-150cc-atv-dirt-bike)

## Best For

- yunshuo enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Reliable:** Crafted by YunShuo with quality materials ensuring long-lasting engine performance.
- • **Wide Compatibility:** Fits popular 125cc Chinese CG125 copy engines like YAMASAKI YM125-3, CTM 125, and LIFAN 125GY-6.
- • **Precision 62mm Bore:** Engineered for exact fit and optimal performance with a 62mm big bore cylinder.
- • **Seamless 150cc Upgrade:** Boost your CG125 engine capacity without swapping other parts—effortless power enhancement.
- • **All-in-One Installation Kit:** Includes piston, rings, gudgeon pin, circlips, and gaskets for a hassle-free upgrade.

## Overview

This 62mm big bore cylinder kit by YunShuo transforms your 125cc Chinese CG125 copy engine into a powerful 150cc machine. The kit includes all essential components—piston, rings, gudgeon pin, circlips, and gaskets—ensuring a smooth installation. Compatible with multiple popular 125cc models, it offers a precise fit and reliable durability for enhanced ATV and dirt bike performance.

## Description

For Chinese 125cc Engine CG125 Copy only, like YAMASAKI YM125-3, CTM 125, HONGDOU, OUBAO, LIFAN 125GY-6 ETCThis big-bore kit fits the Chinese CG125 copy engines 156FM1 engine. Update 125cc to 150cc without changing other parts.THE KIT CONSISTS OF:BARREL AND PISTON (150 cc)PISTON RINGSGUDGEON PIN 15mmCIRCLIPSHEAD AND BASE GASKETBORE SIZE IS 62 mmOUTSIDE DIAMETER OF LINER WHERE IT GOES INTO CRANKCASES 68 mmAfter fitting this kit you may find that the machine will require gearing up (bigger front sprocket)  Please note: "DOES NOT FIT 156FM1 ENGINE WITH 2 PORT CYLINDER HEAD"OR "HONDA CG125 ENGINES"To check: The liner of this barrel is 68 mm outside diameter, so the crankcases need to be this diameter or more to accept this barrel The 156FM1 engine is the 125 push rod engine.

## Features

- This big-bore kit fits the Chinese CG125 copy engines 156FM1 engine. like YAMASAKI YM125-3, CTM 125, HONGDOU, OUBAO, LIFAN 125GY-6 ETC;Update 125cc to 150cc without changing other parts
- Please note: "Does Not Fit 156FM1 Engine With 2 Port Cylinder Head" OR "HONDA CG125 Engines"
- THE KIT CONSISTS OF: BARREL AND PISTON (150 cc); PISTON RINGS ;GUDGEON PIN 15mm ; CIRCLIPS ; HEAD AND BASE GASKET; BORE SIZE 62 mm ;OUTSIDE DIAMETER OF LINER WHERE IT GOES INTO CRANKCASES 68 mm
- To check:  The liner of this barrel is 68 mm outside diameter, so the crankcases need to be this diameter or more to accept this barrel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | YunShuo |
| Brand | YunShuo |
| Item Weight | 4.4 pounds |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | Does not apply |

## Images

![62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125 - Image 1](https://m.media-amazon.com/images/I/617fenwrslL.jpg)
![62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125 - Image 2](https://m.media-amazon.com/images/I/61CzjMNljNL.jpg)
![62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125 - Image 3](https://m.media-amazon.com/images/I/613nn9ujlEL.jpg)
![62mm Big Bore Cylinder for 125cc 150cc ATV Dirt Bike Motorcycle CG125 - Image 4](https://m.media-amazon.com/images/I/61hPzww9WpL.jpg)

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**Shop now:** [https://www.desertcart.co.za/products/120694525-62mm-big-bore-cylinder-for-125cc-150cc-atv-dirt-bike](https://www.desertcart.co.za/products/120694525-62mm-big-bore-cylinder-for-125cc-150cc-atv-dirt-bike)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-23*