Zenith 40 tin: cuestions of throttle valve:

[santiaguito84]

Hello friends wanted to ask:

1 - how to check the status of butterflies Accelerator (throttle valve)?.



2 - a game of shft bushing?



3 - correct alignment of the butterflies?

4 - what is the initial posision the accelerator? can be seen in the body of the picture several holes and wonder if they should be covered or not?



5-The small town of 3000 rpm.? is the Syncrometer Ste in cylinders # 1 and # 4?