Yamaha 1990-91 50 HP, 1985-86 115-220 HP O/B 2-Wire Motor 

Rplc. 3-Wire Yamaha Trim/Tilt Motor On
50-200 H.P. 1985-86 O/B Engines.
PT612NM Mounting Flange Measures
68.3mm In Diameter & Armature
Shaft Flat Blade Is 4mm Thick.
Rplc. Yamaha # 6E5-43880-01-00; 02-00;
688-43880-11-00
O-Ring Included
Shaft Flat Blade
Thickness
(2mm = .0785") Or
(4mm = .158")
Flange Diameter
(68.3mm = 2.689") Or
(70.5mm = 2.775")
Arco# 6267
OE# 6E5-43880-02-00
Sierra# 18-6259