Yamaha F200A - Power Unit Maintenance Details

60L3D1X
14
Maintenance specifications
2
Power unit
Item Unit
Model
F200AET FL200AET
Power unit
Minimum compression
pressure*
kPa
(kgf/cm
2
, psi)
880 (8.8, 125)
Lubrication oil pressure kPa (kgf/cm
2
,
psi) at
700 r/min
650 (6.5, 924)
Cylinder heads
Warpage limit mm (in) 0.1 (0.004)
(lines indicate straightedge
position)
Camshaft cap inside diameter mm (in) 25.00–25.02 (0.9843–0.9850)
Cylinders
Bore size mm (in) 94.00–94.02 (3.7008–3.7016)
Taper limit mm (in) 0.05 (0.0020)
Out-of-round limit mm (in) 0.01 (0.0004)
Pistons
Piston diameter (D) mm (in) 93.921–93.941 (3.6977–3.6985)
Measuring point (H) mm (in) 5 (0.2)
Piston-to-cylinder clearance mm (in) 0.075–0.080 (0.0029–0.0031)
Piston pin boss bore mm (in) 21.02–21.03 (0.8276–0.8280)
Piston pins
Outside diameter mm (in) 21.00 (0.827)
Piston rings
Top ring
Dimension B mm (in) 1.17–1.19 (0.0461–0.0468)
Dimension T mm (in) 2.8–3.0 (0.110–0.118)
End gap mm (in) 0.15–0.30 (0.0059–0.0118)
Side clearance mm (in) 0.04–0.08 (0.0016–0.0031)
2nd ring
Dimension B mm (in) 1.17–1.19 (0.0461–0.0468)
Dimension T mm (in) 3.6–3.8 (0.142–0.150)
End gap mm (in) 0.30–0.45 (0.0118–0.0177)
Side clearance mm (in) 0.03–0.07 (0.0012–0.0027)
* Measuring conditions:
Ambient temperature 20 °C (68 °F), wide open throttle, with plugs disconnected from all cylinders.
The figures are for reference only.
General specifications / Maintenance specifications
https://www.boat-manuals.com/