Yamaha YZF-R6R Automobile User Manual


 
5-63
CRANKCASE
ENG
NOTE:
CAUTION:
NOTE:
EAS00384
DISASSEMBLING THE CRANKCASE
1. Place the engine upside down.
2. Remove:
Scrankcase bolts
SLoosen 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.
SLoosen the bolts in decreasing numerical or-
der (refer to the numbers in the illustration).
SThe numbers embossed on the crankcase in-
dicate the crankcase tightening sequence.
M8 85 mm (3.3 in) bolts:
1
X
7
,
10
M8 115 mm (4.5 in) bolts:
8
,
9
M8 65 mm (2.6 in) bolts:
11
,
12
M6 65 mm (2.6 in) bolts:
13
,
14
M6 55 mm (2.2 in) bolts:
15
,
22
X
26
M6 45 mm (1.8 in) bolts:
16
,
19
,
20
M6 65 mm (2.6 in) bolts:
17
,
27
M6 75 mm (3.0 in) bolt:
18
M6 100 mm (3.9 in) bolts:
21
3. Remove:
Slower 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.
4. Remove:
Sdowel pins
5. Remove:
Scrankshaft 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.