---
product_id: 37628983
title: "172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE"
brand: "gy6 store"
price: "VT61748"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/37628983-172cc-61mm-big-bore-upgrade-kit-4-gy6-store
store_origin: VU
region: Vanuatu
---

# 172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE

**Brand:** gy6 store
**Price:** VT61748
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE by gy6 store
- **How much does it cost?** VT61748 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/37628983-172cc-61mm-big-bore-upgrade-kit-4-gy6-store)

## Best For

- gy6 store enthusiasts

## Why This Product

- Trusted gy6 store brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

172cc BIG BORE KIT FOR CHINESE SCOOTERS 61mm BORE MAY REQUIRE BORING THE BLOCK ON (SOME / MOST MODELS)SET CONTAINS CYLINDER HEAD CYLINDER (61mm) PISTON & RINGS SET *NEW COATED PISTON* ROCKER ARM SET VALVE COVER W/GASKET TOP AND BOTTOM GASKETS HP KIT CAM *OVER LAP OF 70.00 DEGREES AND HAS AN INTAKE DURATION OF 255.00 DEGREES. THE EXHAUST DURATION IS 287.00 DEGREES. YOUR LOBE SEPERATION ANGLE IS 100.50 DEGREES. THE INLET CAM HAS AN INSTALLED CENTERLINE OF 107.50 DEGREES ATDC. THE EXHAUST CAM HA AN INSTALLED CENTERLINE OF 93.50 DEGREES BTDC* FITS JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR AND MANY OTHERS SHIPS FROM DENVER, NC

## Features

- Includes new coated piston
- All kits need to be installed by a professional
- This is a performance kit non-returnable
- Upgrade your 150cc motor to a 172cc motor

## Images

![172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE - Image 1](https://images-na.ssl-images-amazon.com/images/I/41iutggoAsL.jpg)
![172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE - Image 2](https://images-na.ssl-images-amazon.com/images/I/415B7ATKA8L.jpg)
![172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE - Image 3](https://images-na.ssl-images-amazon.com/images/I/41h4dWTIs2L.jpg)
![172cc (61mm) Big Bore Upgrade Kit #4 GY6 STORE - Image 4](https://images-na.ssl-images-amazon.com/images/I/41i%2BHm%2BFX%2BL.jpg)

---

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**Shop now:** [https://www.desertcart.vu/products/37628983-172cc-61mm-big-bore-upgrade-kit-4-gy6-store](https://www.desertcart.vu/products/37628983-172cc-61mm-big-bore-upgrade-kit-4-gy6-store)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-17*