Yamaha 2012 Grizzly 300 Service Manual page 204

New
CARBURETOR
EBS00146
DISASSEMBLING THE CARBURETOR
TIP
Before disassembling the carburetor, make sure
to note the number of times the pilot screw is
turned out from the seated position to its set
position.
EAS00485
CHECKING THE CARBURETOR
1. Check:
• carburetor body
• float chamber
Cracks/damage
• fuel passages
Obstruction
• float chamber body
Dirt Clean.
• float chamber rubber gasket
Cracks/damage/wear
a. Wash the carburetor in a petroleum-based
solvent. Do not use any caustic carburetor
cleaning solution.
b. Blow out all of the passages and jets with
compressed air.
2. Check:
• float
• float tang
Damage Replace.
3. Check:
• needle valve
Damage/obstruction/wear
needle valve.
6-4
CARB
Replace.
Clean.
New
Replace.
Replace the