Yamaha F200B Service Manual

7-89
POWR
Power unit
2. Measure the crankshaft runout.
Checking the crankcase bolt
1. Measure the diameters a and b of the
crankcase bolt at the specified measur-
ing points c and d, and c and e.
Replace the crankcase bolt if the differ-
ence between the diameters is above
specification.
È M10 × 102 mm
É M8 × 93 mm
Checking the crankpin oil clearance
1. Clean the crankpin bearings, connecting
rod, connecting rod cap, and crankpin.
2. Install the crankpin bearings 1 into the
connecting rod a and connecting rod
cap b.
TIP:
Install the crankpin bearings in the original
positions.
3. Place a piece of Plastigauge (PG-1) on
the crankpin, parallel to the crankshaft.
Crankshaft journal diameter a:
62.968–62.992 mm (2.4791–2.4800
in)
Crankpin diameter b:
49.976–50.000 mm (1.9676–1.9685
in)
Crankpin width c:
21.500–21.550 mm (0.8465–0.8484
in)
Crankshaft runout:
0.030 mm (0.0012 in)
c
c
b
Crankcase bolt diameter difference limit:
È: a – b = Less than 0.20 mm (0.0079
in)
É: a – b = Less than 0.10 mm (0.0039
in)
Measuring point c: 10.0 mm (0.39 in)
Measuring point d: 65.0 mm (2.56 in)
Measuring point e: 60.0 mm (2.36 in)
È
b
dc
a
É
b
ec
a
a
1
b

Yamaha F200B Specifications

General

Brand	Yamaha
Model	F200B
Category	Outboard Motor
Language	English