'05 surge/stumble, TPS adjust, TRE - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 8 Old 08-07-2005, 12:42 PM
campbell
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'05 surge/stumble, TPS adjust, TRE

I've had the 3000rpm lean misfire since the first time I test rode the bike with zero miles.

Tried the TPS adjust with an ohmmeter, but no real change. By the way, you can synch the throttle bodies without removing the tank or airbox. I was able to connect vacum hoses to my carb sticks and reach in with a screwdriver tip to adjust the balance screw. They were out of synch after only 600 miles.

Any idea why Suzuki say you have to remove the airbox to synch?

Anyone else used Ivan's TRE on an '05 and fixed the surge/stumble?
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post #2 of 8 Old 08-07-2005, 08:18 PM
BBurton "BigB"
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Quote:
Anyone else used Ivan's TRE on an '05 and fixed the surge/stumble?
I wouldn't mess with a TRE, don't need it, and won't fix the problem! Get your FI remapped with a Yosh box, or buy a PCIII power commander. Problem solved!! 8) The big Stroms suffer from a case of the LEANS!! :lol:
post #3 of 8 Old 08-07-2005, 09:30 PM
campbell
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Did you try the TRE first, and if so what change did it make? Thanks.
 
post #4 of 8 Old 08-08-2005, 05:03 PM
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The TRE does nothing to cure a lean condition mandated by the EPA, that is a fuel/air mixture issue and not a timing map issue which the TRE by using a different than oem resistance value "convinces" the ecm the air charge temp is cooler than it really is. While the two issues timing and fuel are related the TRE does nothing to send more fuel out the injectors that is tied and controlled by the fuel map loaded in the ecm. The TRE can be built at home for about the 10th of the price by visiting Radio Shack. The details can be found in the Wiki faqs if one is convinced they need this item on their bike.

The reason Suzuki's manual describes the airbox being removed and such is the order in which the the steps the TB sync is found in the manual, it is one of the last steps after replacing the throttle bodies on the bike after their removal and rebuild.

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post #5 of 8 Old 09-18-2005, 11:02 PM
campbell
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'05 Surge/stumble solved- Power Commander

The TRE helped with low end response, but I finally went with the Power Commander (as a lot of you suggested) and it has completly fixed the lean condition from 2500-3500RPM. Problem solved!

Go to www.fuelmoto.net , call Jamie and tell him how you want it programmmed, and plug it in. Rode 250 miles today, and the difference is noticable. $259 well spent.
post #6 of 8 Old 09-20-2005, 05:52 AM
motoPsycho
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Fuel Map Mod

I have a PCIII USB in my 05 1000. Tonight, I boosted the stock numbers by 2 for the 3000 and 3500 RPM ranges across the board. I can now cruise in 6th at reasonable speeds (60 - 70 mph) without the motor dragging. As bonus, the flat spot is gone from ALL of the gears. I realize this is obvious, but I was trying to cure a very specific problem - the flat spot I experienced while cruising in 6th at anything less than 80 mph. My late night rip through over the mountains was much smoother since I didn't have to shift every time my RPMs dropped into the 3 - 4K range where the flat spot used to be.
post #7 of 8 Old 09-20-2005, 11:34 PM
BBurton "BigB"
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Quote:
I have a PCIII USB in my 05 1000. Tonight, I boosted the stock numbers by 2 for the 3000 and 3500 RPM ranges across the board. I can now cruise in 6th at reasonable speeds (60 - 70 mph) without the motor dragging. As bonus, the flat spot is gone from ALL of the gears. I realize this is obvious, but I was trying to cure a very specific problem - the flat spot I experienced while cruising in 6th at anything less than 80 mph. My late night rip through over the mountains was much smoother since I didn't have to shift every time my RPMs dropped into the 3 - 4K range where the flat spot used to be.
I got the same results after a Yosh box remap... cost me thirty bucks!!
post #8 of 8 Old 09-21-2005, 12:11 AM
motoPsycho
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Incentives

The PCIII was thrown in as an incentive to get the bike out the door. It was added after I had already been quoted a price. One of the joys of dealing with the same sales guy, now manager, over time.
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