arveno Posted May 8, 2022 Report Share Posted May 8, 2022 Hello all !! 2002 Le Mans , followed the instructions found here for a decent tune up. valve adjustment, tps setting etc etc. I am using a motion pro tool to balance the throttle bodies but I don’t see the blue fluid raising in the tool columns. as per instructions I have screwed all the way in the air bypass screw and backed them out one full turn . the left and right side idle set screw are backed out. I used the square white knob to somewhat let the engine idle. if I play around with the air bypass screw nothing shows up on the tool. Sometimes this happens to my carbureted Guzzi and I am always able to play with the carb until some fluid start showing up in the column of the tool. this time not and since it’s the first time I am balancing throttle bodies… maybe I missed something? any help highly appreciated. ciao marco 1 Link to comment Share on other sites More sharing options...
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