Yamaha 200A - Maintenance Specifications: Power Unit

60H5E11
SPEC
General Information
Maintenance specifications
Power unit
Item Unit
kPa
(kgf/cm
2
, psi)
kPa
(kgf/cm
2
, psi)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
700 (7.0, 101.5)
520 (5.2, 75.4)
0.1 (0.04)
90.00 - 90.02 (3.5433 - 3.5441)
90.10 (3.5472)
0.08 (0.0031)
0.05 (0.0020)
89.895 - 89.915 (3.5392 - 3.5400)
10 (0.39)
23.074-23.085 (0.9084-0.9089)
+ 0.25 (0.0098)
90.145 - 90.165 (3.5490 - 3.5498)
+ 0.5 (0.0196)
90.395 - 90.415 (3.5589 - 3.5596)
23.065 - 23.070 (0.9081 - 0.9083)
1.97 - 1.99 (0.0776 - 0.0783)
2.7 - 2.9 (0.1063 - 0.1142)
0.3 - 0.4 (0.0118 - 0.0157)
20 (0.79)
0.02 - 0.06 (0.0008 - 0.0024)
Model
200AET L200AET
* Measuring conditions:
Ambient temperature 20°C (68°F), wide open the throttle valve and the choke valve, with plugs
disconnected from all cylinders.
The figures are for reference only.
2-3
Power unit
Compression pressure*
(reference data)
Compression pressure*
(minimum)
Cylinder heads
Warpage limit
(lines indicate straightedge po-
sition)
Cylinders
Bore size
Bore size limit
Taper limit
Out-of-round limit
Pistons
Piston diameter (D)
Measuring point (H)
Piston pin boss inside diameter
Oversize piston
1st
Oversize piston diameter
2nd
Oversize piston diameter
Piston pins
Outside diameter
Piston rings
Top ring, 2nd ring
Dimension B
Dimension T
End gap
Measuring point (H)
Side clearance