Checking The Crank Position Sensor Air Gap; Checking The Engine Temperature Sensor - Yamaha 250GETO Service Manual

Checking the crank position sensor
air gap
1. Remove the flywheel magnet cover.
2. Measure the crank position sensor air
gap a. Adjust if out of specification.
a
Crank position sensor air gap:
0.5 – 1.5 mm (0.02 – 0.06 in)
3. Loosen the screws 1 and adjust the
crank position sensor air gap.
1
4. Tighten the screws, and then check the
crank position sensor air gap.
Checking the engine temperature
sensor
1. Remove the junction box cover.
2. Disconnect the engine temperature sen-
sor coupler.
3. Turn the engine start switch to ON.
6S35H11
Ignition and ignition control system
4. Measure the input voltage at the engine
temperature sensor coupler (engine tem-
perature sensor side). Check the wiring
harness if less than specification.
6S380110
5. Connect the digital circuit tester to the
engine temperature sensor coupler a
and CDI unit coupler b (wiring harness
end).
6. Check the continuity. Replace the wiring
harness if no continuity.
6S380120
DCV
Engine temperature sensor input
voltage: (reference)
Black/yellow (B/Y) 1 –
Black/yellow (B/Y) 2
5 V
a b
1
2
3
6S380126
4
5
6
7
8
1
2
6S380125
9
8-12