1973 1990 Evinrude/Johnson 48 235 HP Service Manual Outboard
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CONTENTS OF THIS SERVICE MANUAL: This 1973-1990 Johnson Evinrude 48-235 HP Outboard Service Manual contains fully detailed step-by-step repair procedures with hundreds of photos and illustrations to guide you through any repair, maintenance, overhaul, service specifications or troubleshooting procedure. This expert text guide ebook will give you the knowledge and experience you need to perform simple basic maintenance or more complicated service procedures such as engine overhaul. Covers every thing you will ever need to know to fix anything on your 1973 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 Johnson Evinrude Outboard boat engine (motor).
Book Marked Chapters for easy navigation, this repair manual will permit you to easily and efficiently find the exact repair procedure you need in the quickest time possible. You will not find a better manual that this.
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The following is a small sample of topics covered in each chapter. Technical highlights of chapters include: Specifications, Inspection, Exploded Diagrams, Removal, Disassembly, Assembly, Installation, Servicing, Reassembly, Special Tools, Seals, Lubricants and more.
48HP (48-HP) 1987 1988 1989 1990
50HP (50-HP) 1973-1990
55HP (55-HP) 1975-1983
60HP (60-HP) 1980 1986 and on
65HP (65-HP) 1973
70HP (70-HP) 1974-1990
75HP (75-HP) 1975-1987
85HP (85-HP) 1973-1980
88HP (88-HP) all
90HP (90-HP) 1981 1986 and on
100HP (100-HP) all
110HP (110-HP) all
115HP (115-HP) 1973-1990
120HP (120-HP) 1985-1986 and on
135HP (135-HP) 1973-1976
140HP (140-HP) 1977-1986 and on
150HP (150-HP) 1977-1986 and on
175HP (175-HP) 1977-1986 and on
185HP (185-HP) all
200HP (200-HP) 1975-1986 and on
225HP (225-HP) 1986 and on
235HP (235-HP) 1977-1985
Manual chapters are:
Quick Reference Data
1 - General Information
2 - Tools and Techniques
3 - Troubleshooting
4 - Lubrication, Maintenance and Tune-up
5 - Engine Syncronization and Linkage Adjustments
6 - Fuel System
7 - Ignition and Electrical Systems
8 - Power Head
9 - Gearcase
10 - Power Trim and Tilt Systems
11 - Oil Injection Systems
12 - Sea Drives
MANUAL IN: EGNLISH
FILE FORMAT: PDF
FILE DELIVERY: PDF FORMAT
ZOOM IN/OUT: YES
WORD SEARH: YES
BELOW IS JUST A SMALL SAMPLE OF INFORMATION YOU MIGHT FIND IN A TYPICAL SERVICE MANUAL BUT IT COVERS EVERYTHING YOU WILL EVER NEED TO SERVICE YOUR ENTIRE MOTOR. TO MUCH INFORMATION TO LIST. INFORMATION WILL DIFFER DEPENDING ON YEAR AND MODEL
Some of the topics you might find in a specifications sections are Overall length Overall width Weight Transom height Recommended operating range Idle speed Engine type DOHC Number of cylinders Total displacement Spark plug Fuel supply system Multi-point sequential electronic fuel injection Exhaust system Cooling system Water cooled Lubrication system Wet sump Starting system Electric Lower Unit Fuel recommendatons Outboard Motor Gear Oil Gearcase oil capacity ml Maximum tilt angle degree Transmission Forward-Neutral-Reverse Propeller shaft rotation Propeller Right-hand rotation Propeller Counter rotation Cylinder compression Engine oil pressure Viscosity rating Engine oil amounts Oil filter change Pistion Pistion Rings Thermostat operating temperature and much more.
In the maintenance section you will find complete maintenance specs, maintenance charts, intervals and recomendations including step by step procedures for the following: Spark plug Fuel line Replace fuel hose Breather hose Engine oil Gear oil Lubrication Anodes & Bonding wires Battery Fuel mixture check Engine oil filter Low pressure fuel filter High pressure fuel filter Ignition timing Idle speed Tappet clearance Water pump Water pump impeller Propeller nut & pin Balancer chain Bolt & Nuts Timing Belt Inspection Lubrication Points Changing Engine Oil Oil Draining Procedure Changing Oil Filter Oil Filling and much more.
The gerneral information sections will usually identify the following topics and much more: Identification Numbers Tightening Torque Service Data Specfications Cylinder Number Propellers Gas (gasoline Recomendations) 87 91 92 93 Race Gas Warm-Up Recommendations.
The electrial sections you will find in a service manual include electrical parts holder removal and installation, and the inspection, removal, installation, troubleshooting outline of monitor tachometer starter motor, electric starter system battery charging system Disassembly Cleaning Testing Brush Replacement Reassembly Battery Charging System Manual Start Battery Charging System Tests Testing The Battery Charging Coil Testing The Battery Charging System Testing The Rectifier/Regulator.
A short list of some information you will find in this ignition system section include Specifications Special Tools Checking Ignition Timing Type Spark Plug Firing Order Ignition Timing Charge Coil Resistance Crank Position Sensor Resistance Ignition Coil Resistance ECM Engine Speed Limiter Spark Cut-Out Reduction ignition spark ECM Low Oil Pressure Speed Control Oil Pressure Switch and more.
If your motor carb (carburetor) than you will find everthing you need to fully adjust the carb, rebuild, remove, inspect, and clean to factory specs. Here are just a small sample you will find in service manuals where carb models apply: Specifications Special Tools Intake Carburetor Adjustments Idle Speed Linkage Choke Carburetor Removal Carburetor Disassembly Cleaning/Inspection/Repair Carburetor Reassembly Float Height Measurement Carburetor Installation Electric Choke Models InstallationIdle rpm (Out Of Gear) Idle rpm (In Forward Gear) Wide Open Throttle rpm (WOT) Main Jet Size Pilot Jet Main Jet Size Float Height 950 ± 50 rpm 850 ± 50 rpm 45005500 5200-5700 500-1000 rpm 1200-1500 rpm 1500-2000 rpm 2200 2500 rpm 3000-3500 rpm and much more.
A short list of some topics found in the electronic fuel injection system include Specifications Fuel Injection Nozzle Fuel Injection Pump Fuel Pump Throttle Body Throttle Control Lever and Linkage High Pressure Fuel Line High-Pressure Fuel Line Fuel Cooler Fuel Hoses Fuel Rail Pressure Regulator Idle Speed Control Assembly Intake Manifold Throttle Position Sensor Low Pressure Fuel Line/Fuel Pump Fuel Filter Fuel Pump and more.
POWERHEAD (POWER HEAD)
The powerhead section contains everthing you will need to completly rebuild your engine block back to factory specs, some information inculdes: cylinder head cover intake manifold assembly ring gear cover and air intake power unit (powerhead) measuring pump components oil pump engine lubrication system thermostat cylinder crankshaft pistion counter balancer mechanism cylinder head assembly removal inspection installation.
A quick run down of main topics in this section are engine side cover driveshaft housing and oil pan swivel bracket steering bracket and clamp wather pressure valve lower unit gear housing and all inspection removal installation cleaning assembly and reassembly procedures.
Some of the main topics discussed in the lower unit section include gear case, propeller lower unit gears shimming and adjustment trim tab drive shaft and oil seal housing, water pump and related items, shift guide housing propeller shaft components gear bearing propeller shaft gear housing and more.
Other Chaptrs you might find in a service manual/ repair manual for your outboard motor include:
Common outboard searches:Service Manual, Repair Manual, Outboard Engine Repair, Shop Manual, Workshop Manual, Specs, Specifications, Diagrams, Exploded View, Egnine Wont Start, Engine Cranks but wont turn over, Engine starts but then shut off, engine bogs during engine overheats or is overheating fast acceleration, engine hesitates during acceleration, engine idles rough, engine is idling bad, engine idles and then shuts off, excessive smoke during idling, lots of white smoke when outboard idles, blue oil smoke during light acceleration, black smoke upon revving rev engine, motor misses while rpm speed is at tiller Handel, Manual Start, hand starter two stroke 2 stroke 4 stroke four stroke
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