2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 216Get this manual
REAR AXLE AND REAR AXLE HUB 2Tighten: nut
aTighten the nut with PTT wrench 46 or rear axle nut wrench to specification while holding the rear axle140 Nm (14.0 mkg, 103 ftlb)