Modding Christie Automotive's TRE mod - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 49 (permalink) Old 09-09-2016, 02:13 PM Thread Starter
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Modding Christie Automotive's TRE mod

I've got this used TRE for cheap off ebay. The label on it fallen off at some point, but I know it was made by UK company Christie Automotive and is one of the "intelligent" ones that detect the neutral gear selection. I decided to make a small DIY project for my GSXR 1000 k2 and convert that TRE to a switchable one via DPDT switch. The principle is simple this switch has two positions - two separate routes of conducting, thus is always ON. First route will bypass the TRE mod when it is hooked up to my wiring loom, to achieve a "factory" mode, when the switch is flicked to the second position the route will lead through the TRE "black box" and timing retardation eliminator mod will be engaged.

That is the simple part, but before I splice and cut the TRE cables, can anyone tell by looking at this picture I made (see attachment), which of the two connectors is on the ECU side of the wiring ? That is quite important for properly routing the DPDT switch. You can also see the 3D printed housing that I will maybe paint to put on my handlebar and the waterproof switch beside it.
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post #2 of 49 (permalink) Old 09-09-2016, 03:29 PM
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Re: Modding Christie Automotive's TRE mod

Uggh TRE was so 2004
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post #3 of 49 (permalink) Old 09-09-2016, 04:00 PM Thread Starter
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Wink Re: Modding Christie Automotive's TRE mod

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Originally Posted by oldgixxer View Post
Uggh TRE was so 2004
I am making my 02 "period accurate". So far, I installed Yoshimura TRS slip-on, Japanese imperial flag brake reservoir cover and now planning to put in the TRE mod. To complete the image I shall also only ride in T-shirt and sunglasses, flip-flops whilst showing middle finger to all the people I overtake. Also rev the bike for no apparent reason at each traffic lights and especially in tunnels.

SWEET GSXR BROO!
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post #4 of 49 (permalink) Old 09-09-2016, 07:18 PM
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Re: Modding Christie Automotive's TRE mod

Yeah. But you still bought a TRE
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post #5 of 49 (permalink) Old 09-09-2016, 07:30 PM
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Re: Modding Christie Automotive's TRE mod

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Originally Posted by oldgixxer View Post
Uggh TRE was so 2004
And turbo's are soooo '80's
Today is all about NOS or haven't you seen "The Fast and Furious"?

I too have a TRE so come at me brah


Last edited by Samantha750; 09-10-2016 at 03:43 PM. Reason: Typo
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post #6 of 49 (permalink) Old 09-09-2016, 07:53 PM Thread Starter
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Cool Re: Modding Christie Automotive's TRE mod

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Originally Posted by oldgixxer View Post
Yeah. But you still bought a TRE
Yeah, it costed virtually nothing. And I am curious what's the fuss about the TRE.
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post #7 of 49 (permalink) Old 09-09-2016, 07:57 PM
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Re: Modding Christie Automotive's TRE mod

I bought my TRE to cut down on the engine braking and it has.
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post #8 of 49 (permalink) Old 09-10-2016, 05:28 AM
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Re: Modding Christie Automotive's TRE mod

Eliminate the TRE through the ECU. With how little this costs to do,along with the added benefit of changing several other "locked" parameters it's a no brainer.

Of course,now that I went and opened my mouth,I can't find which company flashes the K1/2 1K. I know there is at least one.


Maybe @-JK750- can chime in here?
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post #9 of 49 (permalink) Old 09-10-2016, 08:23 AM
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Re: Modding Christie Automotive's TRE mod

^I don't know about these older ECUs. Mr Hollywood might know the answer...
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post #10 of 49 (permalink) Old 09-10-2016, 10:25 AM Thread Starter
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Re: Modding Christie Automotive's TRE mod

Nobody actually answered my original question...
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post #11 of 49 (permalink) Old 09-10-2016, 10:41 AM
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Re: Modding Christie Automotive's TRE mod

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Nobody actually answered my original question...
Here's a pic of a sensor.
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post #12 of 49 (permalink) Old 09-10-2016, 10:47 AM
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Re: Modding Christie Automotive's TRE mod

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Nobody actually answered my original question...
You couldn't just pull up a service manual or look in your bike?
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post #13 of 49 (permalink) Old 09-10-2016, 10:54 AM
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Re: Modding Christie Automotive's TRE mod

Look in here...

TRE
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post #14 of 49 (permalink) Old 09-10-2016, 11:18 AM Thread Starter
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Re: Modding Christie Automotive's TRE mod

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Originally Posted by -JK750- View Post
Here's a pic of a sensor.
Thanks. That is exactly what I needed
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post #15 of 49 (permalink) Old 09-10-2016, 08:03 PM
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Re: Modding Christie Automotive's TRE mod

The TR is gone over about 50% throttle. Trust productsville to screw up Suzuki engineers good work.

A TRE for a top speed limiter may be a requirement in some situations. You could use a switch to change the GPS from 6th to 5th if you are going to try and exceed 186mph.

Or try and find someone to flash the ECM as oldgixxer mentioned.
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post #16 of 49 (permalink) Old 09-11-2016, 02:12 PM
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Re: Modding Christie Automotive's TRE mod

I havent been able to find anyone to flash a 01/02 ECU yet, commercially at least.
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post #17 of 49 (permalink) Old 09-11-2016, 10:13 PM
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Re: Modding Christie Automotive's TRE mod

Cost my less than $5 to make and install one myself (switch, 6800 Ohm resistor and 4 short lengths of wire)

On my K2 1K which I ride 95% of the time on street, its makes a very noticeable difference and you spend "Alot" more time feathering the throttle in the 0% to 50% range on the street......

With the switch I have compared it numerous times On and Off and it was well worth my $5 investment...

If you haven't done it, your missing out...
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post #18 of 49 (permalink) Old 09-12-2016, 08:42 AM
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Re: Modding Christie Automotive's TRE mod

Time and time again, people just don't get it.

Let me put it another way.

Marc Marquez, Valentino Rossi, Jorge Lorenzo, Danni Pedrosa and all the other MotoGP riders have timing retard and other schemes to manage the power of a MotoGP bike in the lower gears.

But it seems many people on gixxer.com and elsewhere think they are better riders than the world's elite MotoGP riders and also know better than the engineers that help those riders go around race tracks and set lap records.
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post #19 of 49 (permalink) Old 09-12-2016, 09:20 AM
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Re: Modding Christie Automotive's TRE mod

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Originally Posted by kwaka10r View Post
Time and time again, people just don't get it.

Let me put it another way.

Marc Marquez, Valentino Rossi, Jorge Lorenzo, Danni Pedrosa and all the other MotoGP riders have timing retard and other schemes to manage the power of a MotoGP bike in the lower gears.

But it seems many people on gixxer.com and elsewhere think they are better riders than the world's elite MotoGP riders and also know better than the engineers that help those riders go around race tracks and set lap records.
Well said.
Kwaka,do you remember the "wheelie wire" mod on the old oil-cooled and WC 1100's?
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post #20 of 49 (permalink) Old 09-12-2016, 06:28 PM
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Re: Modding Christie Automotive's TRE mod

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Originally Posted by oldgixxer View Post
Well said.
Kwaka,do you remember the "wheelie wire" mod on the old oil-cooled and WC 1100's?
Was that the "pink wire" mod OG?

I thought it was the same as the timing retard on the later GSX-Rs. Was it something else?
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