Suzuki AN400 Service Manual page 81

Data at 3 000 r/min under no load
Data at the time of racing
Engine General Information and Diagnosis:
3 000 r/min
Check the manifold absolute pressure.
XX kPa
Throttle: Quick wide open
Throttle: Slowly open
Secondary throttle valve opens
in according with the engine r/min
1A-18
I705H1110127-02
closes
I705H1110128-04