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Discussion Starter #1
So Im in need of some help. Suddenly in the last three weeks my stock gear position indicator seems to have lost the plot. Neutral seems normal, but the display fails to remain accurate in any other gear.
For exaMPLE: I start out in 1st then move 2-3rd etc the display will hang in 1st then suddenly realize that i have changed but may not go to the correct gear. The bike seems to run perfectly and I dont notice any related issues. I am concerned because I have a Bazzaz EFi TC and the map can change from gear to gear. Anyone else experience this?
 

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Barring any trouble with wires/connections getting frayed it sounds like the sensor may of gone haywire. It's easy enough to get to as its just above the countershaft on the left side.

If you have any sort of TRE devices those patch into the gear shift sensor and may have a bum connection.


Electrical problems suck. Good luck.
 

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Well, I agree that's it's probably a switch issue, the location is not above the countershaft sprocket. That's the speed sensor. The gear position sensor is below the sprocket cover behind the water pump. It reads the position of the shift drum to send the signal to the ECU. Kind of a pain to get to because you have to remove the water pump to get it out. :sad:

But because of it's location, it may just have crap on it that is causing the faulty condition. Since the Bazzaz uses the gear position in between the sensor and the cluster, I'd use the Bazzaz software to see what it's reading is. If the software matches the instrument cluster, then it's most likely and issue with the sensor. But if it reads right and the cluster is still messed up, you've most likely got an issue with the cluster.
 

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Discussion Starter #4
Thanks guys. Im going to work on it tonight. If my garage will get below 100'F lol
 

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Sure, if you're one of them new school mechanics. I still flip my bike upside down like a bicycle to work on it.
That's pretty redneck if you ask me. :badteeth:
 

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is your battery fully charged? I know on my old 636, the tach/speedo started actin a little funky, flashing speeds all over the place at constant speed on a slightly low battery
 

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Discussion Starter #8
OP
Yea battery is perfect I ride daily and its on a tender when not moving. Just had the stator recall done too, although my stator seemed to be fine :rolleyes:

I plan on digging into this more this week, its still stupid hot here but Im riding to Indy GP again this year and I want to be sure its going to be a good trip.
 
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