Fuel System - Yamaha 25J Service Manual

FUEL

FUEL SYSTEM ................................................................................................ 4-1

EXPLODED DIAGRAM ............................................................................. 4-1
REMOVAL................................................................................................. 4-2
CLEANING AND INSPECTION ................................................................ 4-2
Fuel filter ............................................................................................ 4-2
Fuel joints........................................................................................... 4-3
INSTALLATION ........................................................................................ 4-3
CARBURETOR................................................................................................. 4-4
EXPLODED DIAGRAM ............................................................................. 4-4
REMOVAL AND DISASSEMBLY ............................................................. 4-5
INSPECTION............................................................................................. 4-6
Carburetor body ................................................................................ 4-6
Needle valve ...................................................................................... 4-6
Pilot screw.......................................................................................... 4-6
Collar .................................................................................................. 4-6
Float.................................................................................................... 4-6
Fuel pump .......................................................................................... 4-7
ASSEMBLY............................................................................................... 4-8
INSTALLATION ........................................................................................ 4-9
OIL INJECTION ............................................................................................. 4-10
EXPLODED DIAGRAM ........................................................................... 4-10
REMOVAL............................................................................................... 4-11
CLEANING AND INSPECTION .............................................................. 4-11
Oil-tank ............................................................................................. 4-11
Oil-level gauge................................................................................. 4-11
Oil-hoses .......................................................................................... 4-11
INSTALLATION ...................................................................................... 4-11
CHAPTER 4
FUEL SYSTEM
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