Model Features; General Feature - Yamaha F150B Service Manual

SPEC

Model features

General feature

F150B and FL150B Overall Features;
• Light weight and compact, 4-stroke, L4, DOHC, 16-valve, 2670 cm
• Easy startability and drivability
• Low noise, low emission, low fuel consumption
a
Power unit
• Offset cylinder
• Forged piston and chrome plated piston
rings
• 4 throttle valves and multipoint fuel injection
• Large intake silencer
• Plastic intake manifold
• Long intake manifold
b
Electrical
• Electronic fuel injection system
• Self-diagnosis system with flush indicator
and YDIS (New YDIS 1.30 version or later)
• Water-cooled Rectifier Regulator
• Engine running time recorded hour-meter
c
Bracket unit
• Same bracket as same F150A model
• F150A type PTT unit
d
Upper case
• Water-wall cooling system around muffler
• Labyrinth idle exhaust system
• Dual idle silencer
e
Lower unit
• Chrome plated water pump
• Same lower casing as same F150A model
1-1
Specification
3 (162.9 cu. in) engine
b
c
e
a
d