Fuel Injection Conversion - Page 2 - Kawasaki Teryx Forums: Kawasaki UTV Teryx Forum
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post #11 of 19 (permalink) Old 09-22-2010, 05:36 AM
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Originally Posted by sandwarrior View Post
The fuel pump and tank are differant, fuel injection is 43 psi and carbs are low presure.You could run an external pump and regulator. What Im not clear on yet is if the crank sensor will fire the FI. it should. Ive converted a 83 toyota 22r to 22re and it used the same distributor, just had to blend in the FI harness with the factory harness. it works fine. The Teryx should be the same. All it should need is a number 1 referance (crank sensor) and the FI computer should do the rest. I have all the parts to play with, just havent had time. It will be a fun project.
Not true. The EFI needs more resolution so the flywheel has more triggers on it and the ECU counts them and fires say on trigger six and eight where as the carb version is a wasted spark and only has either one or two triggers on the flywheel
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post #12 of 19 (permalink) Old 09-22-2010, 12:20 PM
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I know by talking to MDS and v force john the 2008 and the 2009 fires different, the 2009 has more pulses per rev and it is fewer tach set ups that work for the 09, I had to buy a pick up from MSD and autometer only has 2 series tachs that will work on the 2009, I was just going to go to Orilley and buy a tach but found out that is was not that simple, the 2008 was simple it had a extra wire of the ignition for the tach, I think I would be like the other guys have said buy a FI Teryx swap out all of your mods that will swap and then sell the 2008, that would be much cheaper than trying to convert most everything would swap unless it had something to do with the items we are talking about and some front bumpers want swap, if you shopped for a good deal you might could make the swap for very little difference.

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post #13 of 19 (permalink) Old 09-22-2010, 04:17 PM
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Carb'd motors are generally cheaper to build power on too.
Pretty sure thats the case with Teryx's too.
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post #14 of 19 (permalink) Old 09-22-2010, 05:51 PM
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Carb'd motors are generally cheaper to build power on too.
Pretty sure thats the case with Teryx's too.
Not really, but I guess a larger set of injectors at $165 to a jet kit of $80 would be about the only difference really
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post #15 of 19 (permalink) Old 09-22-2010, 06:20 PM
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Not really, but I guess a larger set of injectors at $165 to a jet kit of $80 would be about the only difference really
throttle bodies vs carbs?
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post #16 of 19 (permalink) Old 09-22-2010, 08:35 PM
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fuel injection conversion

I put fuel injection on my 08 model. It starts easier and for sure has more power. I went from 34mm carbs to 40mm throttle bodies. I figure it would prolly cost about 1500.00 to buy the stuff. You need fuel pressure gauge, high pressure pump, and then you have to add a drain back to your tank. Here are some pics.
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post #17 of 19 (permalink) Old 09-23-2010, 05:46 AM
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throttle bodies vs carbs?
So far the EFI engines have built more power at our shop
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post #18 of 19 (permalink) Old 09-23-2010, 06:17 AM Thread Starter
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kayjay

Did you buy all new components to convert to FI. I have everything off a FI Brute Force do you think it will work since you have went throught it already? I know I will have to change the electrical harness and few others things, just unsure if it is worth it. I think it will be a good winter project.
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post #19 of 19 (permalink) Old 09-23-2010, 08:36 PM
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efi conversion

Just to mention, the only reason I tackled the efi was because I have a turbo ready to put back on it. What I had to buy was 2 throttle bodies w/ injectors, wiring harness, computer, tps sensor, fuel pump/gauge/fittings. You can basicly build your own harness with about 9 wires. The only thing about the stuff that I am using is its a dos based program to map it. At first I thought it wasnt worth it, but in the long run it seems to be better. I wasnt to knowledgeable about efi and it really taught me alot. I would say that anybody that wants to tackle it should go for it. I could always put the carbs back on because I didnt touch the stock wiring harnes at all.
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