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Old 11-04-2012, 11:21 AM   #1
Muug OP
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KTM 950 : TPS = important or not ?

Hi,

I own a KTM 950, year 2005. The last ones with carbs. Now I was giving the bike a maintenance (adjusting valves etc , the lot, you know) and suddenly some blue cable was loose. This is the picture :



It belongs to the TPS-sensor, which is fixed to the side of the front carb. Now, I'm running this bike without SAS and EPC and I would like to know if I should repair this cable or not ? Is the TPS signal used by the ECU ?

Thanks for your advice,

Paul
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Old 11-04-2012, 12:59 PM   #2
TheMuffinMan
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I would yes. The TPS helps the ECU determine ignition advance.
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Old 11-04-2012, 02:23 PM   #3
snowhawk jockey
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The ignition retards the timing at low RPM and advances it after 2500 rpm*, or so. The TPS is removed on my bike because I have FCR carbs. It still runs like wild, just a bit harder to start and rougher low RPM feeling.
It would benefit the runability to have it hooked up!

*old research and can''t be precise with the number
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Old 11-04-2012, 10:09 PM   #4
groovyspuds
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C'mon, we all know how important the TPS reports are.
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Old 11-05-2012, 12:32 AM   #5
MORT666
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Its throttle position censer.Cold start & idle.
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Old 11-05-2012, 04:23 AM   #6
Muug OP
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Quote:
Originally Posted by groovyspuds View Post
C'mon, we all know how important the TPS reports are.
I sense some irony here ? (I hope)
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Old 11-05-2012, 07:41 AM   #7
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Quote:
Originally Posted by Muug View Post
I sense some irony here ? (I hope)
No irony. If you are running the stock carbs, the TPS is important. If I where you, I'd fix it.
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Old 11-05-2012, 12:52 PM   #8
snowhawk jockey
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Muug,
Its a spot of tin away from happiness! Disassemble the plug and get out the metal probe with broken connection, solder the wire back onto the probe, stick the probe back into the plug, and connect it to harness again.
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