---
product_id: 58748037
title: "GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm Replacement For 139QMB ATV Scooter Moped Go Kart …"
brand: "goofit"
price: "$U4284"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/58748037-goofit-performance-big-bore-cylinder-kit-gy6-80cc-47mm-replacement
store_origin: UY
region: Uruguay
---

# Easy video installation 47mm precision bore Complete rebuild kit GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm Replacement For 139QMB ATV Scooter Moped Go Kart …

**Brand:** goofit
**Price:** $U4284
**Availability:** ✅ In Stock

## Summary

> ⚡ Unleash Peak Power with GOOFIT’s Big Bore Upgrade!

## Quick Answers

- **What is this?** GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm Replacement For 139QMB ATV Scooter Moped Go Kart … by goofit
- **How much does it cost?** $U4284 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/58748037-goofit-performance-big-bore-cylinder-kit-gy6-80cc-47mm-replacement)

## Best For

- goofit enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Durable:** Only 50g of premium materials designed to boost performance without bulk.
- • **Versatile Compatibility:** Optimized for GY6 49cc to 80cc engines—one kit fits multiple models.
- • **All-in-One Performance Kit:** Includes piston, rings, seals, studs, and more for a seamless rebuild.
- • **Plug-and-Play Installation:** Step-by-step video guides on Facebook and YouTube make upgrades effortless.
- • **Precision 47mm Bore Upgrade:** Maximize your engine’s power with a perfectly engineered cylinder diameter.

## Overview

The GOOFIT Performance Big Bore Cylinder Kit features a precision 47mm inner diameter cylinder and a 13mm piston pin, designed as a comprehensive rebuild solution for GY6 49cc to 80cc engines. This lightweight 50g kit includes all essential components—piston, rings, seals, studs—and offers easy installation supported by detailed video tutorials, making it the ultimate upgrade for scooters, ATVs, mopeds, and go-karts seeking enhanced engine performance.

## Description

GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm Replacement For 139QMB ATV Scooter Moped Go Kart …

## Features

- Inner diameter of the cylinder: 47 mm, outer diameter of the piston pin: 13 mm
- Add cylinder, piston, piston rings, piston pins, piston pin clip, valve sealing ring, seals, clamping seal, exhaust seal, intake and exhaust studs, exhaust nut
- Easy installation with video instructions, you can visit the video on our Facebook homepage and YouTube.
- High performance upgrade 47 mm cylinder rebuild kit for GY6 49cc 50cc 60cc 80cc engine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GOOFIT |
| Brand | GOOFIT |
| Package Dimensions | 12.6 x 12.4 x 8 cm; 50 g |
| Item model number | Group-11-B |
| Manufacturer part number | Group-11-B |
| Voltage | 12 Volts |
| Item Weight | 50 g |

## Images

![GOOFIT Performance Big Bore Cylinder Kit GY6 80cc 47mm Replacement For 139QMB ATV Scooter Moped Go Kart … - Image 1](https://m.media-amazon.com/images/I/61Pichj25WL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.uy/products/58748037-goofit-performance-big-bore-cylinder-kit-gy6-80cc-47mm-replacement](https://www.desertcart.uy/products/58748037-goofit-performance-big-bore-cylinder-kit-gy6-80cc-47mm-replacement)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-26*