Good Morning All,
New to site and to Yamaha O/B's.
Acquired a 50 hp Yamaha 2 stroke. 2000 model year. Sat for 2-3 years idle with gas in bowl. Varnished up inside. Ran 1 can Seafoam/ 1 gal 1:50 mix to help remove varnish but still seems to miss when going from low to high speed throttle up...
