Yamaha Vmax VMX17C 2009 Service Manual page 351

TIP
• Lubricate the washers with engine oil.
• Lubricate the bolts "1"–"8" thread and washers
with engine oil.
• Lubricate the bolts "9"–"42" thread part and
mating surface with engine oil.
• Finger tighten the crankcase bolts.
×
• M10 150 mm bolts: "1"
• M8 × 90 mm bolts: "9", "10", "13"–"15", "21",
"22", "24", "26", "31", "32", "35", "38"
• M8 × 110 mm bolts: "11", "12", "39"
• M8 × 65 mm bolts: "16"–"20", "23", "25", "27",
"33", "34", "36", "37"
• M6 × 65 mm bolts: "28"–"30", "40"–"42"
A
1
28
20 18
16 17
15
1
10
14
3
7
8
4
23
25
30
29
–
"8" New
1
27
19
13
1
9 11
1 5
2 6
12
21
26
24
22
5-78
B
35 40 36
31
32
37
33
34
A. Lower crankcase
B. Upper crankcase
7. Tighten:
• Crankcase bolts (M10
TIP
The tightening procedure of crankcase bolts "1"–
"8" is angle controlled; therefore, tighten the
bolts using the following procedure.
M MMM M MMM M M MMM M M MMM M
a. Tighten the crankcase bolts in the proper
tightening sequence as shown.
Crankcase bolt "1"–"8"
1st
30 Nm (3.0 m·kgf, 22 ft·lbf)
b. Loosen and retighten the crankcase bolt "1".
Crankcase bolt "1"–"8"
2nd
25 Nm (2.5 m·kgf, 18 ft·lbf)
c. Tighten the crankcase bolt "1" further to reach
the specified angle 80°.
Crankcase bolt "1"–"8"
Final
Specified angle 80°
CRANKCASE
38
42
41
39
×
–
150 mm) "1" "8"
M MMM M M MMM M MMM