Start with HMF map key. Internal engine modification may require a fuel controller
Recommended Tuning
HMF Map Key
Low Speed Fuel
Going down on the number scale will reduce low speed fuel. Going up on the number scale will increase low speed fuel.
Mid Range Fuel
Going down on the number scale will reduce mid range fuel. Going up on the number scale will increase mid range fuel.
High End Fuel
Going down on the number scale will reduce high end fuel. Going up on the number scale will increase high end fuel.
Green Lower Switch Point
Going down on the number scale will turn green mode on earlier. Going up on the number scale will turn green mode on later. These modes typically will not need adjusted from their base setting.
Yellow Lower Switch Point
Going down on the number scale will turn yellow mode on earlier. Going up on the number scale will turn yellow mode on later. These modes typically will not need adjusted from their base setting.
Red Lower Switch Point
Going down on the number scale will turn red mode on earlier. Going up on the number scale will turn red mode on later. These modes typically will not need adjusted from their base setting.
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