Mercury 40 FourStroke - Rocker Shaft and Rocker Arm

CYLINDER HEAD
90-857046R1 NOVEMBER 2001 Page 4A-27
Rocker Shaft and Rocker Arm
1. Measure rocker shaft diameter. Replace shaft if out of specification.
Rocker Shaft Diameter
0.6288 - 0.6296 in. (15.971 -15.991 mm)
2. Measure rocker arm inside diameter. Replace rocker arms if out of specification.
55804
Rocker Arm Inside Diameter
0.6299 - 0.6306 in. (16.000 -16.018 mm)