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Yamaha 150A - Page 27

Yamaha 150A
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2-8
SPEC
E
MAINTENANCE SPECIFICATIONS
Item Unit
Model
Worldwide 150AET L150AET 175AET 200AET L200AET
USA C150TR ————
Canada —————
CARBURETORS
ID mark 64C00 64D00 64E00
Main jet # 150, 154 (PU, PM)*,
158 (PL)*
150,152 (SL)*,
154 (PU, PM)*,
158 (PL)*
Main air jet # 310 280 270
Main nozzle (inside diameter) mm (in) 4.2 (0.17) 4.5 (0.18)
Pilot jet # 84
Pilot air jet # 60
Pilot screw Turn out 1 ± 1/4
1-1/16 ± 1/4
1-1/8 ± 1/4
Float height mm (in) 16.0 ± 0.5 (0.63 ± 0.02)
Valve seat diameter mm (in) 1.2 (0.05)
Idling speed r/min 700 ± 25
Trolling speed r/min 575 ± 25
OIL INJECTION PUMP
ID mark
Oil discharge (for 3 minutes)
cm
3
(US oz,
Imp oz) @
1,500 r/min
Bleeding
REED VALVES
Reed valve stopper height a mm (in) 6.5 ± 0.3 (0.26 ± 0.01)
Warpage limit b mm (in) 0.2 (0.008)
THERMOSTATS
Opening temperature ˚C (˚F) 48 - 52 (118 - 126)
Full-open temperature ˚C (˚F) 60 (140)
Valve open lower limit mm (in) 3 (0.12)
*: (PL) Port lower (PU) Port upper
(PM) Port middle (SL) Starboard lower