Yamaha YZ250N Owner's Service Manual page 476

SWINGARM
10. Tighten:
9Nut (connecting rod) 1
11. Tighten:
9Nut (relay arm) 1
12. Install:
9Cap 1
NOTE:
Install the cap with its mark a facing forward.
13. Install:
9Bolt [chain tensioner (lower)] 1
9Plain washer 2
9Collar 3
9Chain tensioner 4
9Nut [chain tensioner (lower)] 5
14. Install:
9Chain support 1
9Support cover 2
9Bolt {chain support
9Nut (chain support) 4
9Bolt { support cover [R=10mm (0.39in)]} 5
5-58
CHAS
80 Nm (8.0 m•kg, 58 ft•lb)
80 Nm (8.0 m•kg, 58 ft•lb)
19 Nm (1.9 m•kg, 13 ft•lb)
[R=50mm (1.97in)]} 3
7 Nm (0.7 m•kg, 5.1 ft•lb)
7 Nm (0.7 m•kg, 5.1 ft•lb)