Yamaha XZ550RJ 1982 Service Manual page 87

d) Tighten the stopper securing nut to speci-
fication
Tightening torque:
7 Nm (0.7m-kg, 5.1 ft-lb)
e) Reinstall the
torque the bolts to specification.
Tighten torque:
6Nm(0.6m - kg, 4.3 ft-lb)
3. Tighten the four nuts and two bolts evenly,
then torque them in the sequence shown
below.
NOTE:
Turn the intake and exhaust camshafts so that their
cam lobes face outward, and align the holes in the
cam caps and the camshafts, then insert an 8 mm
(0.31 in) Allen wrench into the holes.
Tightening torque:
Cylinder head bolts:
10 Nm (1.0m-kg, 7.2 ft-lb)
Cylinder head nut:
50 Nm (5.0 m-kg, 36 ft-lb)
4. Turn the crankshaft counterclockwise, and
align the T mark on the flywheel with the
stationary pointer. This places the front (#1)
piston at top dead center.
NOTE:
Pull the cam chains, and keep them taut when turn-
ing the crankshaft.
stopper bolt cover, and
5. Turn the front cylinder intake and exhaust
camshafts by hand so that the cam lobes
face each other and the punch marks on the
end of each camshaft align with the marks
on the camshaft caps.
6. Position the cam sprocket so that the mark
F is exposed to view and faces upward at
the same time, and place the cam chain
around the sprocket.
NOTE:
The cam chain sprocket has three stamped marks
F, I and E on its front face and R, I and E on its
back.
87