- Yamaha Outboard Serial Number Missing Parts
- How To Read A Yamaha Outboard Serial Number
- Yamaha Outboard Serial Number Missing Key
To find an exact anwser to your question is important to know the brand of your outboard motor, horse power (h.p.) and ehether is a two stroke or four stroke.
Look for a little plate on the motor' mounting bracket or also at the crankcase stamped (earlier outboard models)
here you will find an outboard model year guide:
Evinrude Johnson OMC model guide
Includes Evinrude, Johnson, Gale, OMC outboard derivatives.
OMC Johnson/Evinrude Model Identification 1980-2004
STYLE | HORSEPOWER | SHAFT LENGTH (blank)= 15 in. L = 20 in. Y = 22.5 in. X = 25 in. Z = 30 in. | MODEL RUN or SUFFIX(The Suffix codes and any codes before the Style entry aren't important to consumer) | ||
DESIGN FEATURE | YEAR BUILT(Match letter to number) EXAMPLES: |
Mercury and Mariner US build 40HP and over
Yamaha Outboard Motor MODEL, PRE-FIX and SERIAL NUMBER’S are stamped on a metal plate which is mounted on the transom clamp bracket located at the rear of the boat. Though Yamaha no longer associates a production year with a model, you'll know your outboard's model and the year in which your outboard was produced. All of the six states, with the exception of South Carolina - which uses the 'manufacture date' from the manufacturer's statement of origin - accept the 'year built' on the motor. I've got an f80 Yamaha 4 stroke outboard motor. It started missing last fall and has gotten worse. I changed plugs for the hell of it and found no difference. I've worked on cars for 30 years and know that marine is different. The motor hiccups like a lean missfire every few seconds. No 1 & 4 coil contributes less than no 3 & 4.

For mercury outboard motors from the early 60' to 1999
Yamaha Outboard Serial Number Missing Parts
Johnson Outboards
- Recreational 1980-1999
- Johnson 1922-1979
- Commercial 1977-1999
Evinrude Outboards

- Evinrude 1922-1979
- Commercial 1977-1999
- OMC Electric Outboards
Other Outboard Motors
- OMC Sea Drive
- TurboJet
- Racing 1967-1995
- Military 1980-1999
- Gale Manufactured 1941-1963
- MC Zephyr Sail Drive
OMC Boats
How To Read A Yamaha Outboard Serial Number
- Johnson Boats
- EvinrudeBoats
OMC Boat Trailers
Yamaha Outboard Serial Number Missing Key
- Johnson Boat Trailers
- Evinrude Boat Trailers
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