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Old 08-29-2011, 03:44 PM   #161
Grok OP
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Joined: Jan 2003
Location: California
Oddometer: 4,138
Originally Posted by mpillis View Post
Wow. Ordered on Friday and received Monday. You sure do understand we want our toys NOW. Already did a TBS on my '04 1150GSA and it sure smoothed things out. Really like the builtin tach. I do not understand what I would use the guage mode for yet? But happy so far. Thanks.

Gauge mode is more useful for tuning idle mixture on carburetors and for diagnostics.
You could take some idle gauge readings on each cylinder and write them down. If your bike started running crappy later on you could compare new readings to the recorded ones, and determine which cylinder was giving you trouble. Generally speaking, the higher the vacuum, the better the cylinder is running. You might be able to diagnose a vacuum leak or a bad stick coil with it.

Glad it's working well for you! Smooth GS'es are happy GS'es!
I was born in San Andreas but it's not my fault
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