Fuel System
5-5
Remove the compression spring, vacuum piston,
and diaphragm.
Remove the 4 vacuum chamber screws.
Turn the jet needle holder with a ⊖ screwdriver,
and remove the jet needle holder, spring, and jet
needle.
Inspection
Check the vacuum piston for wear, cracks,
scratches or other damage.
Check the jet needle edge for extensive wear,
twist or damage.
Check if the diaphragm has become thin or
cracked, and check the spring for wear or
damage.
Spring
Screw
Jet needle
holder
Spring
Diaphragm
Vacuum piston
Jet needle
Jet needle
holder