Introduction
This manual has been prepared as a supplement for the MFS60A.
Please utilize this manual together with the service manual of our outboard motors MFS40A/MFS50A.
Contents
1. Service Information
1. Tools and Instruments .................. 1-2
1) Test Propeller .......................................... 1-2
2) Measuring instruments ............................ 1-2
2. Service Data
1. Specifications ............................. 2-2
2. Maintenance Data ....................... 2-6
3. Tightening Torque Data ............... 2-14
3. Maintenance
1. Inspection Schedule .................... 3-2
2. Inspection Items......................... 3-3
1) Inspection and Adjustment of
Valve Clearance ...................................... 3-3
2) Inspection of Idle Speed......................... 3-4
3) Inspection of Ignition Timing................... 3-4
4. Fuel System (Fuel Injection)
1. Piping Arrangement Diagram ......... 4-2
Fuel Hose, Vent Hose, Breather Hose,
Cooling Water Hose ...................................... 4-2
2. Ignition System ........................... 4-3
(1) Configuration of ECU System ........ 4-3
(2) Ignition Control........................... 4-4
1) Ignition Timing Controls.......................... 4-4
2) Ignition and Combustion Orders ............. 4-4
3) Ignition Timing ........................................ 4-4
4) Operations ............................................. 4-4
(3) Fuel Feed System......................... 4-5
5. Power Unit
1. Parts Layout ............................... 5-2
Engine .......................................................... 5-2
Magneto ....................................................... 5-3
Electric Parts................................................ 5-4
Fuel system .................................................. 5-6
Vapor Separator............................................ 5-8
Intake Manifold............................................ 5-10
Pulley • Timing Belt....................................... 5-12
Cylinder Head & Oil Pump............................ 5-13
Cylinder • Crankcase .................................... 5-15
Piston & Crankshaft ..................................... 5-16
Top Cowl...................................................... 5-17
2. Inspection Items ......................... 5-18
1) Inspection of Compression Pressure ..... 5-18
2) Inspection of Oil Pressure...................... 5-18
3) Inspection of Valve Clearance................ 5-18
4) Removing Power Unit............................. 5-18
5) Removing Timing Belt and Pulley............5-22
