Description
Product Overview
The KYMLAA 100cc Gy6 Engine Upgrade Kit is engineered to boost the performance of 50cc, 60cc and 80cc scooters to a robust 100cc output. Featuring a 69mm valve length cylinder, precision‑machined head, high‑strength camshaft, and a full set of gaskets, the kit ensures optimal compression and durability. Included components such as the oil pump, gear set, copper rollers, 6‑pin racing AC CDI, ignition coil and a 3‑electrode racing spark plug provide a comprehensive solution for higher RPM and increased power. Package dimensions are 10.31 x 7.24 x 6.18 inches and the total weight is 6.6 pounds, making it easy to handle during installation.
![[Product front view showing all components]](https://www.joltshop.store/wp-content/uploads/2026/06/33d1d0dde1294c99be5b2e476a05f8ba.jpg)
Usage
Designed for street scooters, off‑road riders and performance enthusiasts, this kit fits most 50cc Gy6 models. Whether you commute daily or enjoy weekend track days, the upgraded engine delivers smoother acceleration and a higher top speed. Ideal for riders seeking a reliable power boost without sacrificing engine reliability. Simple bolt‑on installation means you can upgrade your scooter at home or in a workshop with basic tools.
Why Choose Us
KYMLAA combines years of engineering expertise with rigorous quality control to deliver a kit that meets automotive standards. Each component is CNC‑machined from high‑grade aluminum and steel, ensuring long‑term wear resistance. Our kits are tested for compatibility across a wide range of Gy6 scooters, and we provide detailed installation guides. Backed by a responsive customer support team, we offer assistance from purchase through post‑install troubleshooting.
Key Features
- Boosts engine displacement to 100cc for noticeable power increase
- 69mm valve length cylinder delivers higher RPM capability
- All‑in‑one package includes head, camshaft, gaskets, oil pump and racing CDI
- Simple bolt‑on installation saves time and reduces labor costs
- Dedicated customer support and detailed manuals for hassle‑free setup
FAQ
Will this kit fit my 50cc Gy6 scooter?
Yes, the kit is compatible with most 50cc, 60cc and 80cc Gy6 scooters. Check the model list in the installation guide for specific confirmations.
Do I need additional tools for installation?
Only basic hand tools such as wrenches and screwdrivers are required. No specialized equipment is needed.
How much performance gain can I expect?
Users typically experience a 15‑20% increase in top speed and a smoother power delivery across the RPM range.
Is the kit covered by a warranty?
Yes, KYMLAA provides a one‑year limited warranty covering manufacturing defects.
Can I install the kit myself?
Absolutely. The kit includes step‑by‑step instructions and all necessary hardware for a DIY installation.




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