Yamaha WR250F(N) Owner's Service Manual page 584

SWINGARM
10. Tighten:
Nut (connecting rod) 1
11. Tighten:
Nut (relay arm) 1
12. Install:
Cap 1
NOTE:
Install the cap with its mark a facing forward.
13. Install:
Bolt (lower chain tensioner) 1
Washer 2
Collar 3
Lower chain tensioner 4
Nut (lower chain tensioner) 5
14. Install:
Drive chain case 1
Drive chain case cover 2
Bolt {drive chain case [r= 50 mm
(1.97 in)]} 3
Nut (drive chain case) 4
Bolt {drive chain case cover [r= 10 mm
(0.39 in)]} 5
5 - 59
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)
7 Nm (0.7 m · kg, 5.1 ft · lb)
7 Nm (0.7 m · kg, 5.1 ft · lb)