Target Audience:
Professional marine technicians and DIY boat owners servicing small outboard motors
Intended Use:
Complete teardown, rebuild, tune-up and troubleshooting of 1.5-35hp two-stroke outboards
Model Coverage:
Covers every 1.5-35hp Johnson and Evinrude model from 1965-1978 in one volume
Scope:
A-Z repair coverage rather than abbreviated owner-level guides
Format:
Searchable digital PDF
Delivery:
Instant download after purchase
Powerhead:
Piston, cylinder, crankshaft, bearings, seals and gasket service
Fuel System:
Carburetor rebuild, fuel pumps, tanks and fuel lines
Ignition System:
Magneto and CDI ignition, flywheel, spark plugs, timing
Lower Unit / Gearcase:
Gear replacement, water pump service, seals and bearings
Cooling System:
Water pump impeller, thermostats, water passages
Electrical System:
Wiring, lighting coils, optional alternator charging circuits
Tiller Handle and Controls:
Steering, throttle, shift and stop switch service
Midsection and Clamp Brackets:
Transom brackets, swivel bracket, steering linkage
Routine Maintenance:
Scheduled tune-ups, lubrication, gearcase oil change, impeller replacement
Troubleshooting:
Symptom-based diagnostics for no-start, poor running and overheating
Complete Overhaul:
Step-by-step disassembly, inspection, measurement and reassembly
Specifications:
Torque specs, clearances, gap settings and 2-stroke fuel/oil mix ratios
Special Tools:
Tools and fixtures required per procedure
Parts Identification:
Exploded views and parts references throughout procedures
Fastener Data:
Torque specifications for critical fasteners
Level:
Full workshop depth for trained technicians and experienced DIY owners
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Gears:
Forward, Neutral, Reverse
Shift Method:
Shift lever / remote shift depending on model
Gearcase Lubrication:
Gearcase oil, capacity and type per model in manual
Emergency Stop:
Stop switch / kill lanyard circuits covered in manual
Neutral Start Protection:
Covered where fitted to specific models
Clamp / Transom Attachment:
Clamp screw and bracket securing procedures included
Crash Test Ratings:
N/A - not applicable to outboard motors
Service Interval:
Refer to the specific model schedule in the manual
Fuel:
Gasoline with specific 2-stroke oil mix ratio
Gearcase Oil:
Change per schedule; capacity and specification per model in manual
Spark Plug:
Correct plug type, gap and heat range listed per model
Water Pump Impeller:
Periodic inspection and replacement procedure included
Known Wear Items:
Impellers, carburetor kits, gearcase seals, ignition points/CDI components
Storage:
Off-season storage and fogging procedures included
Manufacturer:
Outboard Marine Corporation (OMC), builder of Johnson and Evinrude outboards
Brand Background:
Johnson and Evinrude were leading American outboard brands throughout the mid-20th century
Era:
1965-1978 production run of small two-stroke outboards
Design Changes:
Progression from magneto point ignition to CDI systems across the era
Assembly:
OMC facilities in the United States