Yamaha 200A Service Manual download pdf (Page 19)

60L3D1X

Maintenance specifications

Power unit

Item Unit

Model

F200AET FL200AET

Power unit

Minimum compression

pressure*

kPa

(kgf/cm

, psi)

880 (8.8, 125)

Lubrication oil pressure kPa (kgf/cm

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

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Yamaha 200A Service Manual Page 19

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