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Yamaha 200A User Manual

Yamaha 200A
281 pages
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200A
L200A
60H-28197-5E-11
290446
SERVICE MANUAL

Table of Contents

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Yamaha 200A Specifications

General IconGeneral
Horsepower200 hp
Starting SystemElectric
Gear Ratio1.86:1
SteeringRemote
Shaft Length25 in

Summary

General Information

Manual Format and Symbols

Explains manual layout, conventions, and defines symbols for data and lubrication.

Safety While Working

Outlines essential safety procedures for preventing accidents and injuries during service.

Identification

Identifies applicable models and the location of the serial number for this manual.

Features and Benefits

Highlights key features such as the hour meter and exhaust components.

Propeller Selection

Guides the selection of the correct propeller based on boat and motor performance.

Predelivery Checks

Lists essential checks to ensure smooth delivery and proper motor function.

Checking the Fuel System

Details inspection of fuel hoses, filter, and tank for leaks and proper connections.

Checking the Gear Oil

Describes the procedure for checking the gear oil level.

Checking the Battery

Covers checking battery electrolyte level, gravity, and cable connections.

Checking the Outboard Motor Mounting Position

Ensures correct alignment of anti-cavitation plate for optimal performance.

Checking the Remote Control Cables

Verifies smooth operation and proper seating of remote control cables.

Checking the Steering System

Ensures smooth steering operation without interference.

Checking the Gearshift and Throttle Operation

Verifies smooth shifting and throttle control from neutral to full throttle.

Checking the Tilt System

Confirms smooth tilting operation and correct trim meter indication.

Checking the Engine Start Switch and Engine Stop Switch, Engine Shut-off Switch

Verifies proper function of engine start, stop, and safety shut-off mechanisms.

Checking the Pilot Water Outlet

Confirms cooling water discharge from the pilot water outlet during engine run.

Test Run

Outlines procedures for testing engine operation after maintenance.

Break-in Procedure

Details the four-stage break-in procedure for a new engine.

After Test Run Procedures

Lists post-test run checks like gear oil and fuel leakage, and cooling system flush.

Specifications

General Specifications

Provides overall engine dimensions, weight, performance data, and power unit type.

Maintenance Specifications: Power Unit

Details critical maintenance measurements for the power unit, cylinders, pistons, and connecting rods.

Electrical Specifications

Lists specifications for ignition system, thermoswitch, and choke solenoid.

Dimensions: Exterior

Presents detailed exterior dimensional drawings of the outboard motor.

Tightening Torques: Specified Torques

Specifies precise tightening torques for critical fasteners across the power unit and lower unit.

Periodic Checks and Adjustments

Special Service Tools

Lists specialized tools required for specific maintenance and adjustment procedures.

Maintenance Interval Chart

Provides a guideline for recommended maintenance intervals based on operating hours.

Top Cowling Checks

Describes how to check and adjust the fitting of the top cowling for proper seal.

Fuel System Checks

Outlines checks for fuel joint, hoses, and filter for leaks and proper function.

Power Unit Checks

Details procedures for checking spark plugs, thermostat, and cooling water passage.

Control System Checks

Covers checks and adjustments for ignition timing, carburetor synchronization, and throttle/gearshift.

Power Trim and Tilt Unit Checks

Includes checks for power trim and tilt operation and fluid level.

Lower Unit Checks

Details checks and changes for gear oil and propeller.

General Checks

Covers general checks for anodes, battery, and lubrication points.

Fuel System

Special Service Tools for Fuel System

Lists specialized tools for fuel system diagnostics and repair.

Hose Routing: Fuel Hoses

Illustrates the correct routing of fuel hoses for proper connection and safety.

Fuel Filter, Fuel Pump, Fuel Joint

Provides an exploded view and part list for the fuel filter, pump, and joint assembly.

Checking the Fuel Joint

Describes checks for fuel hose connector integrity and potential damage.

Checking the Fuel Filter

Covers checks for float position, water accumulation, and filter element condition.

Checking the Fuel Pump

Details procedures for testing fuel pump pressure and detecting leaks.

Disassembling and Assembling the Fuel Pump

Outlines steps for disassembling and reassembling the fuel pump for inspection.

Carburetor Parts List

Provides an exploded view and parts list for the carburetor assembly.

Disassembling and Checking the Carburetor

Explains how to disassemble and check carburetor passages, jets, and float height.

Assembling the Carburetor

Provides steps for correctly reassembling the carburetor after service.

Power Unit

Special Service Tools for Power Unit

Lists specialized tools required for power unit service and repair.

Checking the Compression Pressure

Details how to measure engine compression pressure using a gauge.

Power Unit Component Lists

Provides exploded views and parts lists for various power unit assemblies.

Removing the Power Unit

Details the procedure for safely removing the entire power unit from the outboard motor.

Removing the Flywheel Magnet

Explains how to remove the flywheel magnet using specialized tools.

Removing Electrical Components

Outlines steps for removing stator, pulser coil, and starter motor.

Intake Manifold Parts

Provides an exploded view and parts list for the intake manifold assembly.

Removing the Intake Manifold

Details the procedure for removing the intake manifold and reed valve assembly.

Exhaust System Parts

Provides an exploded view and parts list for the exhaust system components.

Removing the Exhaust Cover

Explains how to remove the exhaust cover, pressure control valve, and related parts.

Cylinder Head Parts

Provides an exploded view and parts list for the cylinder head assembly.

Removing the Cylinder Head

Details the steps for removing the cylinder head, cover, and thermostat.

Cylinder Block Parts

Provides an exploded view and parts list for the cylinder block and crankcase components.

Removing the Crankcase

Outlines the procedure for removing the crankcase and its bearings.

Removing Piston, Connecting Rod, and Crankshaft

Details the steps for removing pistons, connecting rods, and the crankshaft.

Piston and Connecting Rod Parts

Provides an exploded view and parts list for pistons, connecting rods, and related components.

Disassembling Piston and Connecting Rod

Explains how to disassemble pistons and connecting rods.

Checking the Cylinder Block

Covers checks for cylinder sleeve cracks, corrosion, and anodes.

Checking the Piston

Details checks for piston outside diameter, clearance, and ring dimensions.

Checking the Connecting Rod

Covers checks for internal surfaces, bearings, and axial/side clearance.

Checking the Crankshaft

Details checks for journal diameter, run-out, and crank pin diameter.

Installing the Crankshaft

Covers installing crankshaft bearings and connecting rods.

Assembling Piston and Connecting Rod

Explains how to assemble piston rings, connecting rod, and piston pin.

Installing Piston and Connecting Rod

Details inserting pistons into cylinders and installing connecting rod caps.

Installing the Cylinder Head

Outlines steps for installing the cylinder head, checking anodes, and tightening bolts.

Mounting the Exhaust Cover

Details installation of exhaust covers, pressure control valve, and related parts.

Mounting the Intake Manifold

Covers installation of reed valve plate assembly and intake manifold.

Mounting the Coils

Explains installation of pulser coil, stator, and flywheel magnet.

Installing the Power Unit

Details the procedure for reinstalling the power unit onto the engine.

Lower Unit

Lower Unit (Regular Rotation Model)

Lists parts for the lower unit assembly.

Removing the Lower Unit

Details the procedure for removing the lower unit from the upper case.

Removing the Water Pump and Shift Rod

Outlines steps to remove the water pump and shift rod assembly.

Checking the Water Pump and Shift Rod

Covers checks for water pump housing, insert cartridge, and impeller.

Propeller Shaft, Housing (Regular Rotation)

Provides exploded views and parts lists for the propeller shaft and housing.

Removing Propeller Shaft Housing Assembly

Details steps for removing the propeller shaft housing and related parts.

Disassembling Propeller Shaft Housing Assembly

Explains how to disassemble the propeller shaft housing.

Checking Propeller Shaft Assembly

Details checks for shaft bends, run-out, and dog clutch.

Assembling Propeller Shaft Assembly

Provides steps for assembling the propeller shaft.

Drive Shaft and Lower Case (Regular Rotation)

Lists parts for the drive shaft and lower case assembly.

Removing Drive Shaft and Forward Gear

Details steps for removing the drive shaft, housing, and gears.

Disassembling the Lower Case

Explains how to disassemble the lower case.

Checking Drive Shaft Housing

Covers checks for housing cracks, bearings, and oil seals.

Assembling Drive Shaft Housing

Provides steps for assembling the drive shaft housing.

Checking the Forward Gear

Details checks for gear teeth and bearings.

Assembling the Forward Gear

Explains how to assemble the forward gear.

Checking the Drive Shaft

Covers checks for shaft bends, run-out, and bearings.

Checking the Pinion Gear

Details checks for pinion gear teeth.

Assembling the Lower Unit (Regular Rotation)

Outlines steps for installing the lower case and related components.

Shimming (Regular Rotation Model)

Explains the process and calculation for shimming components.

Selecting Pinion Shims

Details how to select pinion shims based on measurements and formulas.

Selecting Forward Gear Shims

Provides steps and formulas for selecting forward gear shims.

Selecting Reverse Gear Shims

Details how to select reverse gear shims based on measurements and formulas.

Backlash (Regular Rotation Model)

Covers measuring forward and reverse gear backlash.

Shimming / Backlash (Regular Rotation)

Details the process of measuring and adjusting backlash using shims.

Lower Unit (Counter Rotation Model)

Lists parts for the lower unit assembly (counter rotation model).

Removing the Lower Unit (Counter Rotation)

Details steps for removing the lower unit (counter rotation model).

Removing Water Pump and Shift Rod (Counter Rotation)

Outlines steps to remove water pump and shift rod (counter rotation model).

Propeller Shaft, Housing (Counter Rotation)

Provides exploded views and parts lists for propeller shaft and housing (counter rotation).

Removing Propeller Shaft Housing Assembly

Details steps for removing propeller shaft housing and shaft (counter rotation model).

Checking Propeller Shaft Assembly

Covers checks for shaft bends, run-out, and dog clutch (counter rotation model).

Drive Shaft and Lower Case (Counter Rotation)

Lists parts for drive shaft and lower case assembly (counter rotation model).

Removing Drive Shaft and Reverse Gear

Details steps for removing drive shaft and reverse gear (counter rotation model).

Disassembling the Lower Case

Explains disassembly of the lower case (counter rotation model).

Assembling the Lower Unit (Counter Rotation)

Outlines steps for installing the lower case (counter rotation model).

Shimming (Counter Rotation Model)

Explains shimming process and calculations (counter rotation model).

Selecting Pinion Shims (Counter Rotation)

Details selecting pinion shims based on measurements and formulas (counter rotation model).

Selecting Reverse Gear Shims

Details selecting reverse gear shims based on measurements and formulas (counter rotation model).

Selecting Forward Gear Shims

Details selecting forward gear shims based on measurements and formulas (counter rotation model).

Selecting Propeller Shaft Shims

Details selecting propeller shaft shims based on measurements and formulas (counter rotation model).

Backlash (Counter Rotation Model)

Covers measuring forward and reverse gear backlash (counter rotation model).

Measuring Gear Backlash (Counter Rotation)

Details the process of measuring and adjusting backlash (counter rotation model).

Bracket Unit

Special Service Tools for Bracket Unit

Lists specialized tools required for bracket unit service and repair.

Bottom Cowling Parts

Provides an exploded view and parts list for the bottom cowling assembly.

Upper Case Parts

Lists parts for the upper case assembly.

Removing the Upper Case

Details steps for removing and disassembling the upper case.

Checking and Assembling the Upper Case

Covers checks for upper case components and reassembly procedures.

Power Trim and Tilt Unit: Bleeding

Details the procedure for bleeding air from the power trim and tilt unit.

Removing the Power Trim and Tilt Unit

Outlines steps for safely removing the power trim and tilt unit.

Checking Hydraulic Pressure of Power Trim and Tilt Unit

Covers procedures for measuring hydraulic pressure of the power trim and tilt unit.

PTT Motor and Reservoir Parts

Provides an exploded view and parts list for the PTT motor and reservoir.

Disassembling the PTT Motor

Details steps for disassembling the PTT motor.

Checking the PTT Motor

Covers checks for brush length, continuity, commutator diameter, and armature coil.

Assembling the PTT Motor

Provides steps for reassembling the PTT motor.

Disassembling the Reservoir

Explains how to disassemble the reservoir.

Disassembling the Gear Pump Unit

Outlines steps for disassembling the gear pump unit.

Assembling Reservoir and Gear Pump Unit

Details assembly of reservoir and gear pump unit.

Tilt Cylinder and Trim Cylinder Parts

Provides an exploded view and parts list for tilt and trim cylinders.

Disassembling Tilt Cylinder and Trim Cylinder

Details disassembly of tilt and trim cylinders.

Checking Tilt Cylinder and Trim Cylinder

Covers checks for cylinder components.

Assembling Power Trim and Tilt Unit

Details the assembly of the power trim and tilt unit.

Installing Power Trim and Tilt Unit

Details the procedure for installing the power trim and tilt unit.

Steering Arm Parts

Provides an exploded view and parts list for the steering arm.

Removing and Installing the Steering Arm

Outlines steps for removing and installing the steering arm.

Clamp Brackets Parts

Provides an exploded view and parts list for clamp brackets.

Disassembling and Assembling Clamp Brackets

Explains disassembly and assembly of clamp brackets.

Adjusting the Trim Sensor Cam

Explains how to adjust the trim sensor cam for correct resistance.

Electrical Systems

Special Service Tools for Electrical Systems

Lists specialized tools required for electrical system testing.

Checking Electrical Components

Covers measuring peak voltage and lower resistance of electrical components.

Electrical Components: Starboard View

Identifies electrical components visible from the starboard side.

Electrical Components: Port View

Identifies electrical components visible from the port side.

Electrical Components: Top View

Identifies electrical components visible from the top view.

Wiring Harness Diagram

Shows the wiring harness diagram and color codes for connections.

Ignition System Diagram

Provides a wiring diagram for the ignition system.

Checking the Ignition Spark Gap

Details checking and adjusting the spark gap using an ignition tester.

Checking Spark Plug Caps

Covers inspection and replacement of spark plug caps.

Checking the Ignition Coil

Explains how to measure ignition coil resistance.

Checking the Pulser Coil

Covers measuring pulser coil output voltage and resistance.

Checking the Charge Coil

Details measuring charge coil output voltage and resistance.

Checking the CDI Unit

Explains how to measure CDI unit output peak voltage.

Checking the Thermoswitch

Covers checking thermoswitch continuity at specified temperatures.

Starting System Wiring Diagram

Provides a wiring diagram for the starting system.

Checking the Fuse

Details checking fuse continuity.

Checking the Wiring Harness

Covers checking wiring harness continuity.

Checking the Starter Relay

Explains how to check starter relay continuity and operation.

Starter Motor Parts List

Provides an exploded view and parts list for the starter motor.

Removing the Starter Motor Pinion

Details steps for removing starter motor pinion.

Checking the Starter Motor Pinion

Covers checking pinion teeth and operation.

Checking the Armature

Details checks for commutator condition and diameter, and undercut.

Checking the Brushes

Covers measuring brush length and checking brush holder continuity.

Checking the Choke Solenoid

Details checking choke solenoid resistance and plunger operation.

Charging System Wiring Diagram

Provides a wiring diagram for the charging system.

Checking the Lighting Coil

Explains how to measure lighting coil output voltage and resistance.

Checking the Rectifier Regulator

Covers measuring Rectifier Regulator output peak voltage.

Power Trim and Tilt Wiring Diagram

Provides a wiring diagram for the power trim and tilt system.

Checking Power Trim and Tilt Relay

Details checking power trim and tilt relay continuity.

Checking the Trim Sender

Explains how to measure trim sender resistance.

Troubleshooting

Power Unit: Engine Does Not Crank

Addresses symptoms related to the engine not cranking.

Starting System Troubleshooting

Provides a flowchart for diagnosing starting system issues.

Power Unit: Engine Cranks, But Will Not Start

Addresses symptoms of engine cranking but not starting.

Ignition System Troubleshooting

Provides a flowchart for diagnosing ignition system issues.

Power Unit: Engine Starts, But Does Not Remain On

Addresses symptoms of engine starting but not running stably.

Fuel System Troubleshooting

Provides a flowchart for diagnosing fuel system issues.

Ignition System Troubleshooting (Engine Not Running Stably)

Continues troubleshooting for engine not running stably.

Power Unit Troubleshooting (Engine Not Running Stably)

Addresses power unit specific issues when engine doesn't run stably.

Air Intake System Troubleshooting

Provides troubleshooting steps for engine idle speed issues.

Power Unit: Engine Does Not Accelerate

Addresses symptoms of engine not accelerating or stalling.

Fuel System Troubleshooting (Engine Not Accelerating)

Continues troubleshooting for engine not accelerating.

Ignition System Troubleshooting (Engine Not Accelerating)

Continues troubleshooting for engine not accelerating.

Power Unit Troubleshooting (Engine Not Accelerating)

Continues troubleshooting for engine not accelerating.

Cooling System Troubleshooting

Provides troubleshooting steps for overheating or lack of speed increase.

Bracket Unit: Power Trim and Tilt Not Operating

Addresses symptoms of power trim and tilt unit not operating.

Troubleshooting Power Trim and Tilt Fluid Level

Continues troubleshooting for power trim and tilt unit issues.

Bracket Unit: Power Trim and Tilt Does Not Hold Motor Up

Addresses symptoms of power trim and tilt unit not holding motor up.

Lower Unit: Shift Mechanism Issues

Provides troubleshooting steps for shift mechanism issues.

Electrical System: Battery Discharges Quickly

Addresses symptoms of battery discharging quickly.

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