5-18 ENGINE TOP END
Engage the camshaft chain with the camshaft sprockets.
Align the timing mark on the sprocket with the cylinder
head upper surface as shown.
Starting with the timing mark on the front of the exhaust
sprocket, count to the 1st pin. Feed the exhaust camshaft
thought the chain and align the 29th pin with the timing
mark on the intake camshaft sprocket.
Strain the exhaust-side of the chain while installing the
In this figure, tension is not applied to the chain.
1st Pin [A]
2nd Pin [B]
29th Pin [C]
After the installation of the camshaft cap and chain tensioner, confirm the punch mark of the intake
camshaft gear aligns with the cylinder head upper surface.
Plug the oil passage and camshaft chain tunnel with a
clean cloth for prevent the any parts from dropping in the
Be sure to install the positioning rings [A] and dowel pins
Replace the O-ring [C] with a new one, and apply grease
Timing Mark (Exhaust) [D]
Punch Mark (Intake) [E]
Cylinder Head Upper Surface [F]