MOTO GUZZI Breva 1100 Service Manual page 99

THROTTLE ALIGNMENT
THROTTLE ALIGNMENT
Completely close the by-pass screws
Start the engine and warm up to 60°
Run the engine at 2000/3000 rpm and with the vacuum meter, check if there is a correct
difference of vacuum between the two cylinders of maximum 1 cm Hg (1,33 kPa).
If this is the case continue at
If difference is higher proceed at
1. 1. Run Run the the engine engine
If this is not the case open ONLY the bypass
If this is not the case open ONLY the bypass
underpressure underpressure
point 1
point 2
at at idle idle and and check check that that the the
to to obtain obtain equal equal values values
vacuum vacuum between between the the
screw of the cylinder
screw of the cylinder
between between left left and and right right
Bypass LH
Bypass RH
two two cylinders cylinders is is balanced balanced
with the highest
with the highest
. .
99