Problem found I think
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Cruiser
Joined: Jun 2008
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Problem found I think
Well I hope I found my hiccup prob looks like the fuel pack went out. I've checked it before but this time it had no display so I took it out and took it out for a ride and it was smooth with no hiccup. The only concern is will it harm the engine to run no tuner I have 25 degree injector and am running big radius 2-2
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,281
Likes: 1,139
From: southeast PA
It looks like you have a high flow intake. It's gonna run real lean without the Fuelpak. If it was me I would put the stock intake back on until you get the tuner situation resolved.
Road Warrior
Joined: Dec 2010
Posts: 1,629
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From: East Hartford, CT
I just put a tuner on and love it,
I was running the Xieds from nightrider to richen it up.
It was fine but had some decell popping and with my new K+N high flow intake I went to a tuner.
The Xieds are supposed to be able to handle the intake and pipes.
$99.00 at nightrider.
cheap upgrade.
I'm saving my Xieds for the that time the tuner fails then it's plug and play till I get back with the tuner.
I was running the Xieds from nightrider to richen it up.
It was fine but had some decell popping and with my new K+N high flow intake I went to a tuner.
The Xieds are supposed to be able to handle the intake and pipes.
$99.00 at nightrider.
cheap upgrade.
I'm saving my Xieds for the that time the tuner fails then it's plug and play till I get back with the tuner.
Road Warrior
Joined: Apr 2009
Posts: 1,360
Likes: 4
Assuming you have a bike with O2 sensors, these bikes run lean from the factory and are designed for lean running.
The ECU will use O2 sensor data to bring the bike back into spec for closed loop (cruising), so not a durability issue, although the bike may not run as good as it could.
For open loop (WOT and throttle response), the ECU will add the fuel corrections it learned from closed loop to the baseline MAP. So it will also correct open loop AFR. But the baseline map is based on the flow characteristics of a restricted system and flow rates/efficiency is not a linear relationship. The ECU corrections will probably fall short for open air filter free flow exhausts.
So if you don’t run the bike hard, there is no issue. Running the bike hard will eat into the built in safety margin. You can do it for short periods of time without issue, but I’d take it easy, and use quality fuel.
XiEDs will shift the AFR/MAP richer across the board so it will help and will give you more open loop margin. Help enough? Probably not.
So, if you are happy with the way it runs, just ride it. It won't run as good as when you have a properly set up tuner/fueler, but won't hurt nuttin.
The ECU will use O2 sensor data to bring the bike back into spec for closed loop (cruising), so not a durability issue, although the bike may not run as good as it could.
For open loop (WOT and throttle response), the ECU will add the fuel corrections it learned from closed loop to the baseline MAP. So it will also correct open loop AFR. But the baseline map is based on the flow characteristics of a restricted system and flow rates/efficiency is not a linear relationship. The ECU corrections will probably fall short for open air filter free flow exhausts.
So if you don’t run the bike hard, there is no issue. Running the bike hard will eat into the built in safety margin. You can do it for short periods of time without issue, but I’d take it easy, and use quality fuel.
XiEDs will shift the AFR/MAP richer across the board so it will help and will give you more open loop margin. Help enough? Probably not.
So, if you are happy with the way it runs, just ride it. It won't run as good as when you have a properly set up tuner/fueler, but won't hurt nuttin.
Last edited by ColdCase; Dec 7, 2011 at 07:58 AM.
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