Hall sensor setting for 2000 R1150GS

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pauldk

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Aug 9, 2011, 7:46:20 AM8/9/11
to GS-911 Field Diagnostic Tool for BMW motorcycles
Hi there,
I have just been attempting to carry out the hall sensor setting on
my bike. The instructions state that the sensor should go from
"inactive to active at 0.24mm before TDC when turning the crank
counter clockwise". I am using a dial gauge to measure piston travel.
My questions/comments are this: when first checked the inactive to
active changed over at TDC. Personally, I think this is correct. I
tried to adjust the hall sensors to trigger at 0.24mm BTDC, but there
wasn't enough adjustment in the plate. Am I correct in stating that
turning the engine counter clockwise (looking at the front of the
engine) is turning the engine over backwards?? And is the 0.24mm
dimension before TDC whilst turning the engine backwards or before TDC
as if the engine was turning over normally?? Confused!!! I am.
Any assistance or comments will be greatly appreciated.
Thanks in advance. Paul.

Dual Sport Motorcycle Clinic

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Aug 10, 2011, 2:40:29 AM8/10/11
to gs-...@googlegroups.com
Hi Paul

Always remember that any reference to side (left of right) or rotation is
referred to as if seated on the bike facing forward. So the counter
clockwise rotation is the correct rotation of the crank and NOT backwards!

The way I have always adjusted the sensors is to use the fuel pump trigger
as a reference. Rotate the to TDC, turn on the ignition and rotate the Hall
sensor until the fuel pump runs. Lock the Hall sensor plate at this point.

G

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Scott Irwin

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Aug 10, 2011, 10:36:51 AM8/10/11
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I thought maybe it was .024mm but Stephen checked and said .24mm was correct, either way it resulted in BTDC settings of 2 degrees or more as viewed through the spy hole. I eventually estimated .24mm movement using the spy hole marks and then adjusted the Hall sensor from there. 02' 1150RT runs fine after my adjustment.

-Scott

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