Yamaha MTN1000 2016 Service Manual page 618

2. Ignition coil
c. Turn the main switch to "ON".
d. Measure the ignition spark gap "a".
e. Crank the engine by pushing the " " side of
the start/engine stop switch and gradually in-
crease the spark gap until a misfire occurs.
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EAS30560
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification  Replace the crank-
shaft position sensor.
Crankshaft position sensor resis-
tance
189–231 
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a. Connect the pocket tester (  100) to the
crankshaft position sensor coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
black "1"
• Negative tester probe
gray "2"
ELECTRICAL COMPONENTS
b. Measure the crankshaft position sensor re-
sistance.
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EAS30561
CHECKING THE LEAN ANGLE SENSOR
1. Remove:
• Lean angle sensor
(from the fuel tank bracket)
2. Check:
• Lean angle sensor output voltage
Out of specification  Replace.
Lean angle sensor output voltage
Operating angle
65 
Output voltage up to operating
angle
3.7–4.4 V
Output voltage over operating an-
gle
0.4–1.4 V
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a. Connect the test harness-lean angle sensor
(6P) "1" to the lean angle sensor and wire
harness as shown.
b. Connect the pocket tester (DC 20 V) to the
test harness-lean angle sensor (6P).
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Test harness– lean angle sensor
(6P)
90890-03209
Test harness– lean angle sensor
(6P)
YU-03209
• Positive tester probe
yellow/green (wire harness color)
• Negative tester probe
black/blue (wire harness color)
8-201
B Gy