Poor Starting hopefully cured........Help req..

beakster

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May 14, 2012
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warrington
Hi Guy's, not posted for ages, I've had a nightmare with poor starting/erratic running/coughing/ stuttering on and off for a number of years now, on a 2002 1150gs. Winter/wet weather made it worse and I always suspected the italianesque wiring, the rubber on the loom has been crumbling away for years now. I've changed the hall sensor to no avail but at 11 years, 36k miles, reckon I was on borrowed time with the old one. I've changed pretty much everything else including ECU on a trail basis from MW, again to no avail. A trip to a local independent revealed that the Oil temp sensor was duff, duly replaced with a new one the problem remained. which lead to the only thing left, the loom. I enlisted the help of the works EI tech, studied the wiring diagram and he insisted the fault lied in the solder points where 3 violet wires, and 4 brown/grey wires linked the oil sensor to the RID and ECU. I dug into the Loom over the weekend, at the small stump on the LHS near the alternator where I guessed the solder points where, I was correct, and found the Blighter. Not what the Spark had said, but very close, A green wire was completely bare and corroded, had shorted accross the purple wires and brown wires, shorting out the Oil temp switch and RID/Ecu feed. (i always had erratic RID temp display coenciding with the stuttering). The green wire was traced back to a limb in the loom where the big red 6mm wire connects to the alternator, it had melted a bit into the insulation on this but thankfully not shorted out, else I'd be buying a new loom/bike now!
I have cut/spliced/soldered the damaged wiring, took some resistance readings, and I'm in the middle of building the bike back up. I just need the readings from the oil sensor, my new one reads 3.3k ohms at ambient (say 18 deg c), the one I replaced reads 25M ohms- knacked. Can anyone help e out with these readings??
Hopefully I can report back with a fully workin bike later in today.
 


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