Crankcase - Yamaha WR450F 2021 Owner's Service Manual

EAM20116

CRANKCASE

Separating the crankcase
5
5
4
4
12 N ・ m (1.2 kgf ・ m, 8.9 lb ・ ft)
(4)
3
1
2
LT
10 N ・ m (1.0 kgf ・ m, 7.4 lb ・ ft)
Order Job/Parts to remove
Engine
Piston
Balancer
Segment
Stator coil assembly
1 Timing chain guide (exhaust side)
2 Timing chain guide stopper plate
3 Timing chain
4 Bolt [L = 45 mm (1.77 in)]
5 Bolt [L = 60 mm (2.36 in)]
6 Bolt [L = 75 mm (2.95 in)]
7 Right crankcase
8 Left crankcase
9 Dowel pin
10 Crankshaft
11 Oil nozzle
6
5
6
4
5
4
6
(3)
(5)
12 N ・ m (1.2 kgf ・ m, 8.9 lb ・ ft)
12 N ・ m (1.2 kgf ・ m, 8.9 lb ・ ft)
5-63
10 N ・ m (1.0 kgf ・ m, 7.4 lb ・ ft)
LT
11
9
10
8
Q'ty
Refer to "ENGINE REMOVAL" on page 5-6.
Refer to "CYLINDER AND PISTON" on page
5-32.
Refer to "OIL PUMP" on page 5-58.
Refer to "SHIFT SHAFT" on page 5-54.
Refer to "GENERATOR" on page 5-37.
1
1
1
5
4
3
1
1
2
1
1
CRANKCASE
7
9
Remarks