E
5-11
DISASSEMBLY
POWR
9. Measure:
9
Connecting rod side clearance
e
(Use the thickness gauge.)
Out of specification
→
Reassemble.
NOTE:
If side clearance exceeds tolerance, disassemble
the crankshaft and replace any worn parts.
e
10. Install:
9
Roller bearing (on the crank 2)
1
11. Press-fit:
9
Roller bearing (inner race)
2
NOTE:
9
Position the roller bearing with the stamped mark
a
facing upward and press-fit it until it contacts
the crank 2.
9
Apply Yamaha 2-stroke motor oil on the roller
bearing.
c
C
Be sure to press-fit the roller bearing squarely
onto crank 2.
12. Install:
9
Roller bearing (outer race)
3
c
b
2
1
3
a
Thickness gauge (mm)
90890-03079
Plate A .................................................
b
90890-02386
Bearing pressure B............................
c
90890-02392
Connecting rod side clearance
e
0.200 – 0.700 mm
(0.0079 – 0.0276 in)
6A9-7-5F-B1-5-a 7/25/03 10:53 AM Page 24