Engine
High Flow Fuel Injector 350cc
350cc/min fuel injector for KLX300 big bore builds (351/355/402). Chinese clone of KTM/GasGas/Husqvarna 350 injector with verified flow rate.
- +~350-365 cc/min flow rate (research-based estimate)
- +~60% more fuel than stock KLX300 injector
- +Clone of KTM/GasGas/Husqvarna 350 injector
- +Factory direct from manufacturer - stable, consistent quality
Weight: 85g
Overview
High flow 350cc/min fuel injector for KLX300 big bore builds. This is a Chinese clone of the KTM/GasGas/Husqvarna 350 injector — sourced directly from the manufacturer with verified flow rate and consistent quality.
Specifications
| Spec | Value |
|---|---|
| Flow Rate | ~350-365 cc/min |
| Stock Flow | 220 cc/min (KLX300) |
| Increase | ~60% |
| Compatibility | KLX300 with 351/355/402 big bore kit |
| Origin | Factory direct (China) |
| Based On | KTM/GasGas/Husqvarna 350 OE injector |
Why Buy Here
Sourced directly from the manufacturer — not random marketplace listings where you cross your fingers and hope for the right part. Every batch is checked for consistent build quality. Flow rate is ~350-365 cc/min based on available research on the OE KTM/GasGas/Husqvarna 350 injector.
I run this injector on my personal KLX355 build. Stable fueling, no issues.
Installation
Direct bolt-in replacement. Located on the throttle body. Takes 10 minutes with basic tools.
When You Need This
- KLX300 with 351cc big bore kit
- KLX300 with 355cc big bore kit
- KLX300 with 402cc big bore kit
- Any build exceeding what the 270cc injector can support
For a stock KLX300 or mild 300cc build, the 270cc injector is the right choice. This 350cc unit is for serious displacement increases.
Related
- 270cc Fuel Injector - For stock KLX300 or mild builds
- ECU Tuning Guide - Fuel management options
- Big Bore Kit Guide - Displacement upgrade