Checking The Throttle Position Sensor Input Voltage - Yamaha YZ250 2022 Owner's Service Manual

by aligning the marks "a" that were put before re-
moval.
14.Install:
• Carburetor
Refer to "CARBURETOR" on page 7-3.
EAM30305
CHECKING THE THROTTLE POSITION
SENSOR INPUT VOLTAGE
1. Disconnect the throttle position sensor cou-
pler.
2. Start the engine.
3. Check:
• Throttle position sensor input voltage
Out of specification  Replace the CDI unit.
• Positive tester probe 
Blue "1"
• Negative tester probe 
Black/Blue "2"
Throttle position sensor input
voltage
4–6 V
ELECTRICAL COMPONENTS
8-13