Fuel Injectors Inspection; Throttle Body Assembly Inspection; Accelerator Position Sensor Inspection - Yamaha VX110 Sport Service Manual

FUEL
THROTTLE BODY ASSEMBLY AND INTAKE
MANIFOLD

Fuel injectors inspection

NOTE:
Do not remove the throttle body assembly.
1. Check:
• Fuel injectors
Dirt/residue → Clean.
Damage → Replace.
2. Measure:
• Fuel injectors resistance
Out of specification → Replace.
Digital multimeter:
YU-34899-A
Digital circuit tester:
90890-03174
Fuel injector resistance:
(reference data)
11.5–12.5 Ω at 20 °C (68 °F)
3. Check the operation of the fuel injector
using the "Stationary Test" of the Yamaha
Diagnostic System.

Throttle body assembly inspection

CAUTION:
The throttle body assembly should not be
disassembled.
1. Check:
• Throttle body assembly
Cracks/damage → Replace the throttle
body assembly.

Accelerator position sensor inspection

1. Inspect:
• Accelerator position sensor
Damage/cracks → Replace the acceler-
ator position sensor.
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