• 4 Stroke Husqvarna Motorcycles Made In Italy - About 1989 to 2014
     TE = 4st Enduro & TC = 4st Cross

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    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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Power difference between a 2010 TE450 and 2007 TE450

C

Cyril uboldi

Husqvarna
Hello I am new to the forum and new to husqvarna.
In 2011 I bought a new 2010 TE 450. I thought the power was great and I was happy with the performance of the bike. Late 2012 I had a chance to get my hands on a used 2007 TE 450. The 07 feels much more powerfull. It really rips compared to the 2010. The 2010 as all the power up modifications done.
Is there really such a difference between the two?
The 2007 feels like its geared slightly lower but it doesn't account for the big difference between the two.
Any help to understand the difference will be appreciated
 
Cyril uboldi said:
In 2011 I bought a new 2010 TE 450. I thought the power was great and I was happy with the performance of the bike. Late 2012 I had a chance to get my hands on a used 2007 TE 450. The 07 feels much more powerfull. It really rips compared to the 2010. The 2010 as all the power up modifications done.
Is there really such a difference between the two?
The 2007 feels like its geared slightly lower but it doesn't account for the big difference between the two.
Any help to understand the difference will be appreciated
Click to expand...

Gearing does make a big difference in how your body perceives the power output of these types of motors.

Has the 2010 been powered up/derestricted and has the EFI mapping been tuned for max power?
 
The 2010 is powered up. I will check to make sure the cat was removed as well. The EFI mapping has not been altered.
Does anyone know where the rev limit is supposed to be?
 
Cyril uboldi said:
The 2010 is powered up. I will check to make sure the cat was removed as well. The EFI mapping has not been altered.
Does anyone know where the rev limit is supposed to be?
Click to expand...

If your EFI mapping has not been substantially increased, the bike is way down on power. Get a JD Tuner and richen it up, it will fly.
 
Would pluging in the plug in the formal CO2 sensor port tell the ingnition and fuel injection mapping to go to the correct settings?
 
Cyril uboldi said:
Would pluging in the plug in the formal CO2 sensor port tell the ingnition and fuel injection mapping to go to the correct settings?
Click to expand...

Don't quite understand the question. If the bike has been powered up, there has been a brass plug put into the exhaust header bung, and a resistor plug put into the wiring harness where the O2 plug had been plugged in. Even though those actions constitute most of the power up process, and do indeed tell the ECU that the bike has been powered up, there still has to be a formal process with some kind of interface to the ECU (Ibeat software with a PC, or a JD Tuner box) that richens the mapping to the injector.
 
Thank you for the info, it is very helpful to my learning process.
Would the ECU and exhaust from the accessory catalog also fill that role or will those also need calibration. I am just looking at options.
 
Cyril uboldi said:
Thank you for the info, it is very helpful to my learning process.
Would the ECU and exhaust from the accessory catalog also fill that role or will those also need calibration. I am just looking at options.
Click to expand...

In my mind, any exhaust will give you great performance IF the ECU is tuned for how the bike is with air filter and exhaust.

I think buying an additional ECU would be a waste of money, instead, buy a JDTuner, it allows you to change several levels of fuel feed to the engine, such as idle, low, medium and high RPM.
 
When I got home from work I grabbed a beer and went to the garage. I had to find out if the dealer actually took out the catalytic converter. The answer...nope.
Took it out, put her back together, will have to test on Sunday. I am thinking it should make a pretty good difference?
 
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