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Posted

For those of you that are interested,

I installed a full DASA pipe, FCI intake and a Power Commander 3. I used the generic map as a basline,

then had them tweak the air/fuel so this map is specific to my bike now.

The 3rd pic shows the tuning at the 9 different throttle positions possible, so it's not a WOT tune only.

These bikes make about 36-38 whp stock.

450dyno1.jpg

450dyno2.jpg

450dyno3.jpg

Posted
but those arent real world conditions. so when you go back out to ride, it will change. so then youre gonna have to make other minor adjustments. good numbers though.

The KFX's are fuel injected and have an air temperature and an air pressure sensor in the intake tract that

sends data to the ECM to make the minor adjustments in temp and elevation changes.

The ECM on these bikes are only "smart" enough to adjust within a certain parameter.

 

Adding a pipe and intake, takes the bike out of the stock operating parameter, so you add the Power Commander which is a piggy back programmer that plugs inline with the ECU and fuel injecter and intercepts

the signal from the air sensors in the intake and add or subtract fuel.

A custom dyno tune is really the only way to go on fuel injected bikes.

Posted

Wait until you do a port job, cam, and high comp piston then you will really love that bike!

The KFX's are fuel injected and have an air temperature and an air pressure sensor in the intake tract that

sends data to the ECM to make the minor adjustments in temp and elevation changes.

The ECM on these bikes are only "smart" enough to adjust within a certain parameter.

 

Adding a pipe and intake, takes the bike out of the stock operating parameter, so you add the Power Commander which is a piggy back programmer that plugs inline with the ECU and fuel injecter and intercepts

the signal from the air sensors in the intake and add or subtract fuel.

A custom dyno tune is really the only way to go on fuel injected bikes.

Posted

A near 50 HP 4 poke is one helluva fun ride for sure... You can do just about anything with it other than serious drag racing.

 

Dune, trail...putz, etc.

 

nice numbers!

Posted

Nice. Do you know how your kawi compares to, lets say, a YFZ 450 with pipe, intake and jetted? Are they comparable numbers with the same bolt on's? So basically will a fuel injected bike make more hp with pipe and intake than a carburated bike?

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