Suzuki RM-Z250 Owner's Service Manual page 187

Replace the gasket with a new one.
• Reassemble the hot start valve E to the hot start cable end.
ACCELERATION PUMP TIMING
If turn the stop screw of the acceleration pump, adjust the accel-
eration pump timing after assemble the carburetor.
• Select a pin B of the same diameter as the throttle valve
height A and insert it under the throttle valve.
% Throttle valve height: 4.4 mm (0.173 in)
• Turn in the stop screw C fully.
• Check play of the link lever D.
• Turn the stop screw C counterclockwise gradually until no
free play is available on the link lever D.
CAUTION
FUEL SYSTEM 12-15