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Yamaha 150A - Page 29

Yamaha 150A
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2-10
SPEC
E
MAINTENANCE SPECIFICATIONS
Item Unit
Model
Worldwide 175DETO 175FETO 200FETO
USA S175TR P175TR 200TR S200TR
Canada P175TR S200TR
CARBURETORS
ID mark 64D00 64DS0 64L00 64E00 64ES0
Main jet #
150, 154
(PU, PM)*,
158 (PL)*
142
152, 154
(PU, PM)*,
158 (PL)*
150, 152 (SL)*,
154 (PU, PM)*,
158 (PL)*
146
Main air jet # 280 310 280 270 310
Main nozzle (inside diameter) mm (in)
4.2 (0.17) 4.0 (0.16) 4.2 (0.17) 4.5 (0.18) 4.0 (0.16)
Pilot jet # 84 80 84
Pilot air jet # 60
Pilot screw Turn out
1-1/16 ± 1/4 1-1/8 ± 1/4 1-5/8 ± 1/4 (S)*
1-1/8 ± 1/4 (P)*
1-1/8 ± 1/4 1-1/8 ± 1/4 (S)*
5/8 ± 1/4 (P)*
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 ± 25 570 ± 25 575 ± 25
OIL INJECTION PUMP
ID mark 6R400 6R510
Oil discharge (for 3 minutes)
cm
3
(US oz,
Imp oz) @
1,500 r/min
3.4 ± 0.7 (0.115 ± 0.024,
0.120 ± 0.025)
4.8 ± 1.1
(0.162 ± 0.037,
0.169 ± 0.039)
Bleeding Screw type
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)
*: (P) Port (PM) Port middle (S) Starboard
(PL) Port lower (PU) Port upper (SL) Starboard lower

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