Yamaha F400A 2022 - Page 395

Cylinder block
7-95
TIP:
In the second tightening stage for the M10
bolts “1”, mark the M10 bolts and the crank-
case with identification marks “a”, and then
tighten the bolts 90° from the marks on the
crankcase.
e. Tighten the crankcase bolts (M8) “2”
and “3” to the specified torques in 2
stages and in the order [21], [22], and
so on.
TIP:
After tightening the crankcase bolts “1”, “2”
and “3”, make sure that the crankshaft turns
smoothly.
9. Install:
•Dowels
•Gasket
• Crankcase cover
• Crankcase cover bolts
TIP:
Tighten the crankcase cover bolts to the spec-
ified torques in 2 stages and in the order [1],
[2], and so on.
10. Install:
•Flange “1”
• Flange bolts “2”
3
[36][36]
3
3
2
3
3
3
2
[32][32]
[26][26]
[22][22]
[23][23]
[27][27]
[24][24]
[21][21]
[25][25]
[31][31]
[35][35]
[9][9]
[15][15][5][5] [6][6]
[10][10]
[19][19] [20][20]
[30][30]
[28][28]
[29][29]
[33][33][34][34]
[16][16]
[11][11][1][1] [2][2][12][12]
[14][14][4][4] [3][3][13][13]
[18][18][8][8] [7][7][17][17]
1 1
1 1
1 1
1 1
1 1
a
90 °
1
123
EE
EE
EE
T
R
.
.
Crankcase bolt (M10) “1” [1]–[20]
1st: 40 N·m (4.0 kgf·m, 30 lb·ft)
2nd: 90°
Crankcase bolt (M8) “2”, “3” [21]–
[36]
1st: 14 N·m (1.4 kgf·m, 10 lb·ft)
2nd: 28 N·m (2.8 kgf·m, 21 lb·ft)
T
R
.
.
Crankcase cover bolt [1]–[26]
1st: 14 N·m (1.4 kgf·m, 10 lb·ft)
2nd: 27.5 N·m (2.75 kgf·m,
20.28 lb·ft)
New
[14][14]
[10][10]
[6][6]
[2][2]
[3][3]
[7][7]
[11][11]
[21][21]
[22][22][23][23][24][24][25][25]
[15][15]
[13][13]
[17][17][18][18] [19][19] [20][20]
[9][9]
[5][5]
[1][1]
[4][4]
[8][8]
[12][12]
[26][26]
[16][16]
New