2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 107Get this manual

Quality of the image is intentionally reduced!

Power unit Piston clearance: 0.0700.080 mm (0.00280.0031 in)

a 20 mm (0.8 in) 50 mm (2.0 in) 80 mm (3.1 in)

Cylinder bore (D1D6): 79.00079.020 mm (3.11023.1110 in) 2 Calculat

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