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Enduro Engine 4 stroke (including EFI & Exhaust) 4 stroke engine, EFI, and exhaust discussion


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Old 02-16-2008, 09:33 AM
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sanderjavant sanderjavant is offline
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Default Adjusting the Fuel Injection

I have a 05 450 FSE and would like to adjust the FI.

I want to see if it will help two issues.

1. It seems to be running a little rich.
2. It dies periodically when I get back on the gas from off throttle.

What are the specs and what tool or tools do I need?

Thanks for any information.

Last edited by sanderjavant; 02-18-2008 at 08:47 PM.
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Old 02-16-2008, 11:41 AM
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You need at least this: http://www.technoresearch.com/Produc...DSTS-Motorbike
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Old 04-07-2008, 05:05 PM
INABIL INABIL is offline
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Bergerhag

If I order the Standard for $195. and the USB adaptor for $45. I'll be able to program my fuel injection or adjust a couple of things.
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Old 04-08-2008, 01:08 AM
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bergerhag bergerhag is offline
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In fact I have not laid hands on that software myself, but I don't think there is much more you can adjust except the overall fuel trim. Readouts from sensors, and some error indications is available, and you can reset the Throttle Position Sensor if you have had the sensor removed for some reason.

Let me ask a few mates and I'll get back here.
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Old 04-08-2008, 08:59 AM
mike989 mike989 is offline
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Quote:
Originally Posted by INABIL View Post
Bergerhag

If I order the Standard for $195. and the USB adaptor for $45. I'll be able to program my fuel injection or adjust a couple of things.

Yes, you can adjust the trim, and check all the FI componets.

Mike.
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Old 04-08-2008, 10:27 AM
Tom Zelko Tom Zelko is offline
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Default fuel injector adj.

I bought all that stuff from techno research and all it does is tell me that things are ok when they are not. We adjusted the thing by ear and it ran just a little lean then quite running again. I have owned 8 GasGas's and have to say my 05 450 has given me more troubles than it is worth.
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Old 04-08-2008, 10:42 AM
rpduc rpduc is offline
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I don't know anything about the specific EFI that GG uses, but I'll bring this up as I haven't seen it come up in discussions related to EFI on dirt bikes. Not that I've been all that much attention since I have a 2 smoker...

Quote:
I'll be able to program my fuel injection or adjust a couple of things.
If the EFI is like my Duc the ECU is not reprogrammable or remappable. To actually alter the fuel air map you'd need an add on module like Powercommander or a replacement ECU. Maybe the dirt bike ecus are different but talk of "trim only" sounds very familiar. I think "trim" means to push the overall map richer or leaner, perhaps using some graduated scheme, but it does not allow for specific edits to the air fuel tables and that's really where the "meat" is on EFI systems. There are endless discussions about difficulties tuning EFI on various road bike boards.

The Technoresearch software will allow you to make whatever adjustments are possible with the stock configuration but again if it's anything like the DUC EFI trim adjustments may be insufficient if you make any significant changes to breathing like opening the exhaust or airbox mods.
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Old 04-09-2008, 04:13 AM
coolum74 coolum74 is offline
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Thumbs up Efi

Hey All,

A long winded story but when I first bought my new 06FSE450 it ran like an absolute pig during the run in period and i thought i had bought a lemon. when i did the first service @ 200klm (inc plug change and oil) I found a white transite plate in the air box behind the air filter that restricted the air flow down to approx 40mm hole. I rang the dealer and was told the bike was running lean on the pre delivery and the efi was adjusted to suit. Now they are telling me not to worry it will be ok. Where do I stand.. Now it is running awesome I love my Gasser and am proud to be a part of this niche crew...Adam
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