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Old July 20th, 2011, 10:21 PM   #1
greg737
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4 minutes of sound, my Fuel Injected 2005

A 4 minute long video, the sound of my 2005 EX-250 fuel injection project bike. The fun starts at 30 seconds into the video....

Link to original page on YouTube.

The exhaust note is courtesy of an Area P 2-into-1 system with "long quiet" exhaust cannister and the intake "honk" is the throttlebody off a 2008 European (fuel injected) EX-250 breathing in through a K&N 0990 air filter. The two of them combine for some nice resonance starting at 9,000 RPM. And because of where I've got the camera you can even hear a bit of gearbox "whine"


Last futzed with by greg737; July 21st, 2011 at 08:28 AM.
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Old July 20th, 2011, 10:43 PM   #2
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Your bike sounds great! I realy love the throaty "burp" when downshifting.
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Old July 23rd, 2011, 04:15 PM   #3
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That bike sounds awesome, wish mine sounded more like that
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Old July 23rd, 2011, 05:15 PM   #4
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how does one get his hands on a fuel injected power plant?
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Old July 23rd, 2011, 06:09 PM   #5
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Old July 23rd, 2011, 07:44 PM   #6
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One builds it.
Yeah, I built it up piece by piece.

The place you start is with a company that builds a FI controller. I used a Microsquirt by two guys named Bowling and Grippo. It's a really good product with lots of support and documentation. Also, their website has all the information you need to work up an FI system for any type of vehicle.

My FI system has parts from all over the map:

Microsquirt Fuel Injection controller,
European EX-250 fuel injection throttlebody and injectors,
Suzuki LT-R450 Quadracer fuel pump and pressure regulator,
Honda fuel filter,
Nissan automatic choke valve,
General Motors water temp and air temp sensors,
Motorola manifold absolute pressure sensor,
Innovate wide band O2 controller,
Bosch O2 sensor,
Area P 2-into-1 exhaust,
K&N 0990 air filter.

and I'm sure there are other small items I've forgotten, but those are the big items.
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