Technical Feature And Description - Yamaha F150A Service Manual

Technical feature and description

Electronic control system ................................................ 2-1
Engine ECM component ........................................................... 2-3
Engine speed control ................................................................. 2-5
Fail-safe control ......................................................................... 2-6
Additional features ............................................................ 2-7
Y-COP (standard for European market and
optional for Oceanian market) ................................................... 2-7
Tilt limiter (F150A, FL150A [optional for European and
Oceanian markets]) ................................................................... 2-8
YDIS .................................................................................... 2-9
Overview ................................................................................... 2-9
New functions .......................................................................... 2-10
Logging .................................................................................... 2-11
Power unit system .......................................................... 2-12
Shimless valve lifter ................................................................. 2-12
Fuel system ..................................................................... 2-13
Fuel diagram ........................................................................... 2-13
Vapor gas diagram .................................................................. 2-14
Lubrication system ......................................................... 2-15
Lubrication diagram ................................................................. 2-15
Cooling system ............................................................... 2-16
Cooling diagram ...................................................................... 2-16
Intake and exhaust system ............................................ 2-17
Intake and exhaust diagram .................................................... 2-17
Lower unit ........................................................................ 2-18
Propeller (SDS) ....................................................................... 2-18
PTT unit ............................................................................ 2-19
Trim-up and tilt-up function ...................................................... 2-19
Trim-down and tilt-down function ............................................ 2-20
Trim ram retraction when tilting the outboard motor up ........... 2-21
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