It's stamped into a tag on both sides of the motor. Just below cylinder head.
What size motor is
400 cc Yamaha engine
70 hp 1994 yamaha
g103e-00428
Mine has 25x13.50-10 super swampers on the rear. I could maybe go a bit taller, but any wider and I'd be rubbing the muffler
I am not sure - but the engine will say how many CCs it has on it somewhere.
The displacement is stamped on jug at the bottom it will be #'s followed by cc.
The key features of the Yamaha 9.9 four-stroke outboard motor include its reliable four-stroke engine, compact size, and efficient fuel consumption. Benefits of this motor include smooth operation, reduced emissions, and easy maintenance.
The key features of the 9.9 Yamaha 4-stroke outboard motor include its reliable 4-stroke engine, compact size for easy handling, efficient fuel consumption, quiet operation, and smooth performance on the water.
1nh-001043
Need to know what year and size the engine is that you are working on.
Need to know what the voltage of the motor is.