Description
Product Overview
The GOOFIT Gy6 Engine Replacement Kit is engineered for 169cc and 170cc Jonway GTX250 EFI motorcycles. Constructed from premium metal alloys, each component—ignition coil, oxygen sensor, ECU, fuel pump relay, temperature sensor, throttle body, and fuel pump assembly—delivers robust durability and precise performance. The kit matches OEM specifications, ensuring a perfect fit without modifications.
Usage
Designed for both daily commuting and off‑road adventures, this kit restores optimal fuel delivery and engine response. Riders can install the kit in a standard garage or workshop, benefiting from straightforward step‑by‑step instructions. Ideal for mechanics, hobbyists, and owners who demand reliable power on city streets or rugged trails.

Why Choose Us
GOOFIT combines rigorous testing with strict quality control to guarantee each part meets automotive standards. Our kit includes all necessary components, eliminating the need for multiple purchases. Backed by a 4.7‑star rating from verified customers, the kit offers peace of mind through proven reliability and long‑term durability.
Key Features
- Complete set: ignition coil, oxygen sensor, ECU, fuel pump relay, temperature sensor, throttle body, fuel pump assembly, and GOOFIT keychain.
- High‑grade materials resist corrosion and heat, extending service life.
- Exact OEM fit for 169cc/170cc Jonway GTX250 EFI models, no custom machining required.
- Simple installation with detailed guide, suitable for DIY enthusiasts and professional technicians.
- Improves fuel efficiency and engine response, delivering smoother acceleration.
FAQ
Is this kit compatible with all Jonway GTX250 models?
The kit is designed for 169cc and 170cc Jonway GTX250 EFI versions. Verify your model number and engine size before purchase.
Do I need special tools to install the kit?
Standard hand tools such as wrenches, screwdrivers, and a torque wrench are sufficient. No specialized equipment is required.
What is the warranty period for the GOOFIT kit?
GOOFIT offers a one‑year limited warranty covering manufacturing defects for all components in the kit.
Can I replace individual parts instead of the whole kit?
Yes, each component is sold separately, but the full kit ensures optimal compatibility and performance.
How does the kit improve engine performance?
By providing precise fuel metering and reliable ignition, the kit enhances throttle response, reduces fuel consumption, and maintains consistent engine temperature.




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