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Engine (Throttle body) Synchronization

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j2ride:
How do you use the GS-911 to perform this function.

marchyman:
What bike?

j2ride:
Bike is 2006 R1200RT
Jim

marchyman:
The stepper motors that control the idle balance and RPM can get out of sync.  The GS-911 can do an Idle Actuator Calibration.  See See http://www.hexcode.co.za/techinfo/iac

After than the stepper motors should be locked before you check that the side-to-side differences are within spec.   See the last screenshot on this page for more info: http://www.hexcode.co.za/products/gs-911/support/manual/user-manual/the-gs-911-application/using-gs-911

Actual adjustment of off idle sync is done by adjusting the throttle cable
* With a fully closed throttle there should be about 0.5 ~ 1.0 mm play regardless of handlebar position.
* At idle 25 mbar max diff. If > 25 mbar check for air leaks or valve mismatch.
* Check both sides rise and fall together. Any mismatch is constant through the rpm range.  Adjust right side if necessary. 
* Max mismatch off idle is 15 mbar at 1400-1800 RPM. 

You will need some kind of manometer of vacuum gauge to check the levels.

Absolutediver:
I have a 2012 R1200GS with 12,000 miles or 20,000 KM.  I just did the first big service, all is well with the bike.  My GS-911 showed NO fault codes, I did the IAC, several other tests and reset the service date and miles.

I did a TBS with a manometer and did not use my GS-911 but I'm not sure if I got it 100% correct.  I'm going to redo it with the GS-911.

At what RPM level do you run the engine at when doing the TBS with a GS-911?

I know that you are not supposed to turn off the engine while doing a TBS with a GS-911.  What do you do if the engine gets to hot?

Thanks for any and all help,

Absolutediver

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