Yamaha 2002 TDM900, Service Manual

Page: 322 / 475

5-73
A
B
CRANKSHAFT
ENG
NOTE:
CAUTION:
NOTE:
EAS00384
DISASSEMBLING THE CRANKCASE
1. Remove:
S
cover plate
S
timing chain guide (intake)
2. Remove:
S
crankcase bolts
S
Loosen each bolt 1 / 4 of a turn at a time, in
stages and in a crisscross pattern. After all of
the bolts are fully loosened, remove them.
S
Loosen the bolts in decreasing numerical or-
der (refer to the numbers in the illustration).
S
The numbers embossed on the crankcase in-
dicate the crankcase tightening sequence.
A Upper crankcase
B Lower crankcase
3. Place the engine upside down.
4. Remove:
S
lower crankcase
Tap on one side of the crankcase with a soft-
face hammer. Tap only on reinforced por-
tions of the crankcase, not on the crankcase
mating surfaces. Work slowly and carefully
and make sure the crankcase halves sepa-
rate evenly.
M6 70 mm bolts 1 , 2 , 8
X
14
,
16
,
18
,
19
M8 75 mm bolts
3
X
7
, 15 , 17 , 20
X
22
M10 135 mm bolts 23
X
28
5. Remove:
S
dowel pins
6. Remove:
S
crankshaft journal lower bearing
(from the lower crankcase)
Identify the position of each crankshaft journal
lower bearing so that it can be reinstalled in its
original place.