CHK
ADJ
Periodic checks and adjustments
3-11
60C5D11
3.
Turn the throttle stop screw
2
in direc-
tion
a
or
b
until the specified engine
idle speed is obtained.
NOTE:
• To increase the idle speed, turn the throttle
stop screw in direction
a
.
• To decrease the idle speed, turn the throttle
stop screw in direction
b
.
4.
After adjusting the idle speed, rev the
engine a few times and let it idle for at
least 15 seconds to check the stability of
the engine.
Checking the ignition timing
1.
Start the engine and warm it up for 5 min-
utes.
2.
Attach the special service tool to high-
tension cord #1, and then check the
engine idle speed.
3.
Attach the special service tool to high-
tension cord #1
1
.
4.
Check that the ignition timing mark (–5°)
a
on the flywheel magnet is aligned with
the pointer
b
. Check the ignition system
and ignition control system if necessary.
Digital tachometer: 90890-06760
Engine idle speed: 800–900 r/min
S60C3450
S60C3460
Timing light: 90890-03141
Ignition timing: ATDC 5°
S60C3470
S60C3480
S60C3490
-10
TDC
10
20
30
Summary of Contents for F100C
Page 1: ...SERVICE MANUAL 60C 28197 5D 11 290429 F100B F100C ...
Page 52: ...SPEC Specifications 2 17 60C5D11 MEMO ...
Page 162: ...LOWR Lower unit 6 15 60C5D11 Drive shaft and lower case F100B 6 ...
Page 190: ...LOWR Lower unit 6 43 60C5D11 Drive shaft and lower case F100C 6 ...
Page 200: ...LOWR Lower unit 6 53 60C5D11 Shimming F100C 6 ...
Page 209: ...60C5D11 7 2 1 2 3 4 5 6 7 8 9 MEMO Special service tools ...
Page 210: ...BRKT Bracket unit 7 3 60C5D11 Tiller handle 7 ...
Page 212: ...BRKT Bracket unit 7 5 60C5D11 ...
Page 214: ...BRKT Bracket unit 7 7 60C5D11 ...
Page 244: ...BRKT Bracket unit 7 37 60C5D11 Gear pump F100B 7 ...
Page 341: ......
Page 343: ......
Page 344: ...YAMAHA MOTOR CO LTD Printed in the Netherlands Jun 2001 0 5 1 CR F100BET F100CET E ...