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CRF250L AND RALLY ECU REFLASH . 2013 to 2020
Suitable for 91 octane and greater.
Designed to be used in conjunction with performance slip on exhaust or full system.
Fantastic gains achieved Hp and smooth throttle response .
We recommend using a performance airfilter and extra ventilation holes air box. https://crf300australia.com.au/products/twin-air-vent
Please note if engine light is on after installation please cycle key 3 times. Check out our YouTube channel for video. Crf300 engine light.