What is the correct method for adjusting the throttle bodies

motolink

Nitrous
Joined
Sep 11, 2010
Messages
1,431
Location
Brisbane South, Australia
Ride
2011 Roadster and 2001 Bonneville
The Triumph manual is fairly vague, there are two adjusting screws, one between 1&2 and one between 2&3, which throttle body does each adjusting screw control and does opening the throttle raise or lower the reading.
 
Just did this myself on 2011 Rocket 3 Roadster following the simple guide in this members signature information
idk

This method requires software called tuneecu running on a PC or Android phone and OBD II cable. The PC software was somewhat flaky or the drivers thing is a real PITA so I opted for the Android version.

Cylinder 1 the front most, the screw between one and two is for cylinder 2, the screw between 2 and 3 is for cylinder 3. Balance 2 and 3 to cylinder 1 while warmed up engine running while monitoring with tuneecu; or vacuum tester?
 
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