This manual covers the 1988 through 1994 70HP and 90HP 2-stroke outboard engines. These robust marine propulsion systems are designed for reliable performance across a range of boating applications, offering dependable power and efficiency for recreational and professional use. The commitment to engineering excellence ensures these outboards are built for durability and ease of operation, making them a trusted choice for boaters.
This comprehensive guide provides essential information for the maintenance, repair, and operation of your outboard. It includes detailed sections on general information, routine maintenance schedules, engine specifications, fuel and lubrication systems, electrical diagnostics, and advanced troubleshooting. By following the procedures outlined within, owners and technicians can ensure optimal performance, longevity, and safe operation of these outboard engines.
This Manual Covers All Versions of the Following Machines:
1988 YAMAHA 70HP 2-STROKE OUTBOARDS
1988 YAMAHA 90HP 2-STROKE OUTBOARDS
1989 YAMAHA 70HP 2-STROKE OUTBOARDS
1989 YAMAHA 90HP 2-STROKE OUTBOARDS
1990 YAMAHA 70HP 2-STROKE OUTBOARDS
1990 YAMAHA 90HP 2-STROKE OUTBOARDS
1991 YAMAHA 70HP 2-STROKE OUTBOARDS
1991 YAMAHA 90HP 2-STROKE OUTBOARDS
1992 YAMAHA 70HP 2-STROKE OUTBOARDS
1992 YAMAHA 90HP 2-STROKE OUTBOARDS
1993 YAMAHA 70HP 2-STROKE OUTBOARDS
1993 YAMAHA 90HP 2-STROKE OUTBOARDS
1994 YAMAHA 70HP 2-STROKE OUTBOARDS
1994 YAMAHA 90HP 2-STROKE OUTBOARDS
DOWNLOAD AFTER PAYMENT
Our Informative Repair Manual, Owners Manuals and Parts Catalogs Downloads contain all information youll need to perform repairs, look up parts or do routine maintenance on your machine. You will have access to information regarding the following topics:
General Information
Routine Maintenance
Engine Removal and Installation
Fuel System
Lubrication and Cooling System
Engine Specifications
Transmission, Drive Chain & Sprockets
Steering System
Shocks
Body Work
Intake & Exhaust
Electrical System
Advanced Troubleshooting
And much more! ......
With our Repair Manual Downloads - Find the page pertaining to your job, print it off and get working on your Machine. No more ruining your expensive paper shop manual with grease and dirt.
Broke down on the trail or site and have a smart phone? What a cool way to find your problem and repair it on the trail, no down time on the job site, With our Repair Manual Downloads you instantly have access to the material needed to get you running again. Kind of Tough to do that with a paper manual.
And did we mention the fact that your Saving the Trees ...
All our repair manual downloads come with a Lifetime Protection Policy if lost or damaged, simply contact us and well replace it free of charge for life
We Provide Various Repair Service Manual / Workshop Manual / Repair Manual / Owners Manuals / Parts Catalogs and other Various Downloads ........
All in an Electronic Downloadable PDF
UTVs, Motorcycles, ATVs, Quads, Snowmobiles, Seadoo, Equipment, Small Engines, Inboards, Outboards and More
* INSTANT DOWNLOAD
* NO SHIPPING COST WITH DOWNLOAD
* GET A DOWNLOAD SO NO WAITING, REPAIR IT NOW ......
Instant download after Payment ........ Thank you
This Manual Covers All Versions of the Following Machines:
1988 YAMAHA 70HP 2-STROKE OUTBOARDS
1988 YAMAHA 90HP 2-STROKE OUTBOARDS
1989 YAMAHA 70HP 2-STROKE OUTBOARDS
1989 YAMAHA 90HP 2-STROKE OUTBOARDS
1990 YAMAHA 70HP 2-STROKE OUTBOARDS
1990 YAMAHA 90HP 2-STROKE OUTBOARDS
1991 YAMAHA 70HP 2-STROKE OUTBOARDS
1991 YAMAHA 90HP 2-STROKE OUTBOARDS
1992 YAMAHA 70HP 2-STROKE OUTBOARDS
1992 YAMAHA 90HP 2-STROKE OUTBOARDS
1993 YAMAHA 70HP 2-STROKE OUTBOARDS
1993 YAMAHA 90HP 2-STROKE OUTBOARDS
1994 YAMAHA 70HP 2-STROKE OUTBOARDS
1994 YAMAHA 90HP 2-STROKE OUTBOARDS
DOWNLOAD AFTER PAYMENT
Our Informative Repair Manual, Owners Manuals and Parts Catalogs Downloads contain all information youll need to perform repairs, look up parts or do routine maintenance on your machine. You will have access to information regarding the following topics:
General Information
Routine Maintenance
Engine Removal and Installation
Fuel System
Lubrication and Cooling System
Engine Specifications
Transmission, Drive Chain & Sprockets
Steering System
Shocks
Body Work
Intake & Exhaust
Electrical System
Advanced Troubleshooting
And much more! ......
With our Repair Manual Downloads - Find the page pertaining to your job, print it off and get working on your Machine. No more ruining your expensive paper shop manual with grease and dirt.
Broke down on the trail or site and have a smart phone? What a cool way to find your problem and repair it on the trail, no down time on the job site, With our Repair Manual Downloads you instantly have access to the material needed to get you running again. Kind of Tough to do that with a paper manual.
And did we mention the fact that your Saving the Trees ...
All our repair manual downloads come with a Lifetime Protection Policy if lost or damaged, simply contact us and well replace it free of charge for life
We Provide Various Repair Service Manual / Workshop Manual / Repair Manual / Owners Manuals / Parts Catalogs and other Various Downloads ........
All in an Electronic Downloadable PDF
UTVs, Motorcycles, ATVs, Quads, Snowmobiles, Seadoo, Equipment, Small Engines, Inboards, Outboards and More
* INSTANT DOWNLOAD
* NO SHIPPING COST WITH DOWNLOAD
* GET A DOWNLOAD SO NO WAITING, REPAIR IT NOW ......
Instant download after Payment ........ Thank you
