5 - 5
CARB
CARBURETOR
4. Check:
5. Check:
6
. Check:
8
. Check:
• piston valve
Damage/scratches/wear
Replace.
• piston valve diaphragm
Cracks/tears
Replace.
• vacuum chamber cover
• piston valve spring
Cracks/damage
Replace.
• jet needle
• main jet
• Needle jet holder
• pilot jet
Bends/damage/wear
Replace.
Obstruction
Clean.
Blow out the jets with compressed air.
• piston valve movement
Insert the piston valve into the carburetor
body and move it up and down.
Tightness
Replace the piston valve.
• Needle jet
7
. Check:
• fuel hoses
Cracks/damage/wear
Replace.
Obstruction
Clean.
Blow out the hoses with compressed air.