4-20
E
FUEL
FUEL INJECTION SYSTEM
Fuel injector inspection
CAUTION:
The throttle bodies should not be disas-
sembled unnecessarily.
1. Check:
• Fuel injector
Dirt/residue
→
Clean.
Damage
→
Replace.
2. Measure:
• Fuel injector resistance
Out of specification
→
Replace.
3. Check the operation of the fuel injector
using the “Stationary Test” of the Yamaha
Diagnostic System.
Digital multimeter:
YU-34899-A
Digital circuit tester:
90890-03174
Fuel injector resistance
(reference data):
13.8
Ω
at 21 °C (70 °F)
Throttle body inspection
1. Check:
• Throttle body
Cracks/damage
→
Replace the throttle
bodies.
2. Check:
• Fuel passages
Obstruction
→
Clean.
Checking steps:
• Wash the throttle body in a petroleum
based solvent.
Do not use any caustic carburetor clean-
ing solution.
• Blow out all of passages with com-
pressed air.
Summary of Contents for WaveRunner GP1300R
Page 1: ...SUPPLEMENTARY SERVICE MANUAL GP1300R WaveRunner F1G 28197 1G 1X LIT 18616 02 90 LIT186160290...
Page 10: ...E TROUBLE ANALYSIS TROUBLE ANALYSIS 48 SELF DIAGNOSIS 48 WIRING DIAGRAM...
Page 61: ...YAMAHA MOTOR CORPORATION USA Printed in USA Dec 2004 0 0 1 CR E...
Page 62: ...SERVICE MANUAL GP1300R WaveRunner F1G 28197 1F 11 LIT 18616 02 44 LIT186160244...
Page 340: ...YAMAHA MOTOR CORPORATION USA Printed in USA Feb 2003 0 0 1 CR E...