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Enduro Electrical & Wiring Lighting, Ignition, Wiring, Plugs, etc.


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Old 07-17-2008, 05:57 PM
AZRickD AZRickD is offline
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Default TrailTech speedo -- brake caliper whole outside the arc

I finally got 'round to installing my Trail Tech Endurance with the cool home-fabricated mount above the tank bolt.

As I screwed the pick-up into the Nissin brake caliper unit, I couldn't help but notice that the pick-up hole would place the cable a good 1.25-inches outside the arc of the magna-bolt on the brake rotor.

Result, an otherwise functioning Trail Tech Endurance doesn't record speed.



Any quick fixes? The former owner said he fabbed a bracket. I gotta be missin' sumthin here.


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Old 07-17-2008, 09:14 PM
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I screwed mine right in and it picks up the magnet just fine on my 2004 250. On mine this was the same location as the stock speedometer.

You can see it along with the magnet in this image: http://www.gasgasrider.org/gallery/d...0/100_1512.JPG

If you need to stick a magnet that came with the Trailtech to the rotor with some JB Weld.
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Old 07-17-2008, 10:09 PM
mike989 mike989 is offline
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[QUOTE=AZRickD

Any quick fixes? The former owner said he fabbed a bracket. I gotta be missin' sumthin here.[/QUOTE]

Maybe.
I installed one on my 04 GG300, and found the same problem. I used the stock pickup cable, and just snipped the wires on the stock cable up by the handle bars, I snipped the wires off the trail tech pickup sensor (6" down from the connector) and soldered(sp) it to the stock pickup cable. I used plenty of shrink tube for protection.
I did the same thing on my 04 GG quad.
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Old 07-17-2008, 11:16 PM
AZRickD AZRickD is offline
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Care to post pics (or e-mail them to me)?

I don't know where the stock pickup goes.

Thanks,

Rick
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Old 07-18-2008, 08:14 AM
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See here

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Old 07-18-2008, 08:15 AM
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Quote:
Originally Posted by AZRickD View Post
Care to post pics (or e-mail them to me)?

I don't know where the stock pickup goes.

Thanks,

Rick
Do you mean the cable? Yours is where the stock cable goes.
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Old 07-18-2008, 12:23 PM
AZRickD AZRickD is offline
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This is all very strange. The stock pickup goes in the li'l hole in the Nissin caliper, but that location places it nowhere close to where any magnet can be easily placed (say the famous KTM notch).

I could drill a 3/8" hole but that would give me not much room for error in that thin metal area.
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Old 07-18-2008, 12:50 PM
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Look at this picture:
http://www.gasgasrider.org/forum/att...3&d=1198860123

You can clearly see how my stock magnet is mounted to the wheel hub (circled). If you don't have the stock magnet, then fabricate a small bracket and screw it into the existing hole in the hub. It takes a small allen cap screw, maybe 2mm. Attach your magnet to the bracket.
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Old 07-18-2008, 02:24 PM
AZRickD AZRickD is offline
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I don't have the "stock" magnet bracket, so your picture shows parts I don't have. I have just the Trail Tech parts. I also have no "hole in the hub."

Now for my Dangerous Plan B:

As you can see in my thumbnail photo below, I placed the magnet on one of the rotor rays.



For a bigger pic, go to http://www.gasgasrider.org/gallery//...994&ppuser=459

I placed a magnet inside the rays of the rotor and found that if I keep it within a half-inch (center to center) from the pickup (almost but not quite touching), then I get an adequate signal for the Endurance to process speed and distance.

You'll notice that black thingy stuck to the meat of the rotor ray. That is one of Trail Tech's magnets that is designed to go into a 3/8" hole and then c-clipped (and maybe even epoxied) in place. It would be inserted from the caliper side of the rotor with the lip keeping it from pushing through, and the clip keeping it from coming back out.

There are some rotors that come with the hole already drilled and they give ample room for that process. The GasGas rotor won't allow more than 3/16" on either side of that hole, once drilled.

The question is (submitted for the lawyers among us), if I drill a 3/8" hole, will the rotor still be robust enough to handle repeated decelerations from the nearly inhuman speeds I am able to obtain? (I would say yes).

Thoughts?
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Old 07-23-2008, 02:14 AM
AZRickD AZRickD is offline
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C'mon, guys. Give a fellow Gasser a boost, here.
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