2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 136Get this manual
CYLINDER HEAD
4.Tighten: Camshaft sprocket bolt 1
60 Nm (6.0 kg, 43 ft lb)
NOTE: Use the rotor holder to hold the starter pulleyRotor holder: PNYU-01235, 90890-01235 5.Check: Camshaft sprocket punch mark Rotor "T" mark Out of alignment Adjust