Quote:
Originally Posted by leafman60
How can I correct the error (7-10% optimistic) in my 07 R1200S speedo ???
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Don't know because I haven't seen a 12S up close. On my R11S I finally said "SCREW IT!" did several checks to determine the actual error, then used a art/paint program on my Mac to generate a new speedo face. Printed it out, laminated it over the old face and haven't looked back. This winter I'm going to replace my temporary white face with a matching black face.
PS: I tried to reprogram the speedo circuit with the surface mount resistors, but that screwed up the accuracy of the odometer. My odometer is spot-on from the factory, so it became obvious to change the speedo face instead.