wise ***

 

To use fuel injection

1. MAP sensor
2. Fuel Pump to keep the rail pressure constant
3. The actual injector

So you just added $300 to the price of your quad (R&D costs), but wait, this system WILL NOT COMPENSATE FOR MODS. You'll have to have the calibration map re-written.

If you want a system that will change based on your mods, you'll need to add

4. an O2 sensor
5. Extra temp sensor (so the EFI system knows when it is up to temp and reading accurately)
6. Rewriteable calibration map (for the feedback system)

Now the price of the quad went up $500 and it probably weighs more.

Even worse if the battery and recharging system need to be updated to meet the voltage demands of the injection system (especially at 9000 RPM).

That's why MFR's don't do it.

IF you really want to accurately jet your quad, get an 02 sensor ($30) and meter (~$100) and check your jetting that way.