FUEL
Fuel system
4-21
60C5D11
6.
Turn the throttle valve adjusting screws
6
to adjust the vacuum pressure of car-
buretors #1, #2, and #3 to the same vac-
uum variation as carburetor #4.
7.
Adjust the engine idle speed to specifica-
tion.
8.
After adjusting the idle speed, rev the
engine a few times and let it idle for at
least 15 seconds to check that the vac-
uum pressure of carburetors #1, #2, and
#3 stays within 50 mmHg (67 mbar, 1.97
inHg) of carburetor #4, and to check the
stability of the engine.
Engine idle speed: 800–900 r/min
#1
#2
#3
#4
S60C4350
Summary of Contents for F100B
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 ...