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Hey guys I'm back! Been gone for awhile and focusing on other things and the bikes been in garage since the weather dropped out. I've decided that before spring comes I'm gonna chop my exhaust (homemade drag pipes) and I need a tuner to handle the mod. I've already fabbed a big air kit so.... What's the best to buy to handle the changes?
 

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show us a detailed progress of your pipes along the way. i think the most popular FMS for the 950 is the Cobra powerpro. it automatically adjusts fuel/air mix 80 times a second based on a number of real-time factors: throttle, engine speed, O2 sensor, gear, etc. i've got an older Cobra FMS, but if i were in the market right now i would definitely go with the powerpro
 

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Right on bevo.... That's what I tought. I'm really just gonna take off the "muffler" just behind the 2-into-1 section past the O2 sensor and then, dump it towards the ground. Heat wrap it and out a chrome tip on it and DONE. Gonna be loud but I dig that
 

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See I thought there was one on Amazon or something that I could get for like $200??? All I wanna do is make sure I don't run it out too lean and burn anything up while sucking in and blowing out so much more air.
 

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Yea that's what I'm talking about. I don't need it to do more than keep my bike safe with the mods I make. Anything else I do will be looks related and/or better basics, here and there. Intake and exhaust are the biggest "performance" mods on the list. Thanks guys!
 

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FI Power Pro 2000


Get it! Forget the adding screws to tune, then you NEVER know for sure. This thing constantly takes measurements when your on the Gas and will add air/fuel accordingly.

it's expensive, but worth it. If you can FEEL if it is tuned right, you could spend 1/2 the money and accomplish the exact same thing! I just wanted to Set it and Forget it
 

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All,
Just seeing these posts on the Fi2000R and need some advice. I added the Vance and Hines 2-1 slip on, and bought the FMS to help as suggested. But the directions say to unplug the O2 sensors? What consequences does this cause and where are the sensors located? Is this a recommended thing to unplug the sensors or is there a different way?

My exhaust:
http://youtu.be/iJuJE9hGrOQ

Thanks!


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You don't want the ECU fighting the FMS at the low throttle range that the O2 sensor is active. The ECU will give a steady output so the FMS can do it's job without playing tug-o-war. There is another model called the Fi2000r O2 which DOES utilize an O2 sensor.
 

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the O2 sensor is in your exhaust, roughly directly down from the seat, you should find the sensor and the wire going to it, the connector for it is near the frame.
 

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Would disconnecting the O2 sensor cause the bike to run more lean or rich? I also read somewhere about doing such a mod but saw some conflicting results so I never ventured that direction. Has anybody done it, what were your results?
 

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Gunnerbob, I made the adjustment, and added the FMS FI2000, but I haven't been able to get out and ride on it yet, so don't know. I do know starting it up, my exhaust is billowing a little smoke (like I blew out a candle) and there's a gas smell. But it hasn't been ridden in awhile and out in open air yet due to winter and back surgery. Kept FMS at factory setting 2.5/7/7 without O2 sensor. Hopefully in the next few weeks I can get out and ride.


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Also, All the posts here and elsewhere say you'll run richer, but adding the FMS is the way to go so you don't wear the engine and allows you to get more power and reduce backfiring after adding a slip-on or other changes to exhaust.


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Gunnerbob, I made the adjustment, and added the FMS FI2000, but I haven't been able to get out and ride on it yet, so don't know. I do know starting it up, my exhaust is billowing a little smoke (like I blew out a candle) and there's a gas smell. But it hasn't been ridden in awhile and out in open air yet due to winter and back surgery. Kept FMS at factory setting 2.5/7/7 without O2 sensor. Hopefully in the next few weeks I can get out and ride.


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Also, All the posts here and elsewhere say you'll run richer, but adding the FMS is the way to go so you don't wear the engine and allows you to get more power and reduce backfiring after adding a slip-on or other changes to exhaust.


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After I thought about it I guess it makes sense that disconnecting the O2 sensor would make it run a bit rich. If I'm understanding the functions correctly, the O2 sensor is what keeps the FI spitting out juuust enough fuel to stay within the ECUs programming and by disconnecting it you remove the bike's ability to do that... thus causing the ECU to make the FI spray more fuel.

If that would be the case, then by introducing more air into the engine via something like the air box mod could sorta even out the mixture. Although, the a/f mixture would hardly be precise at that point w/o a proper tune.

I think I'm tracking.
 
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