5-16 ENGINE TOP END
Camshaft, Camshaft Chain
Cylinder Head Cover (see Cylinder Head Cover Re-
Crankshaft Sensor Cover (see Crankshaft Sensor Re-
moval in the Electrical System chapter)
Position the crankshaft at #1, 4 piston TDC.
TDC mark [A] for #1, 4 Pistons
Timing Mark (Crankcase Halves Mating Surface) [B]
Camshaft Chain Tensioner (see Camshaft Chain Ten-
Camshaft Cap Bolts [A]
Upper Chain Guide [B]
Camshaft Caps [C]
Stuff a clean cloth into the chain tunnel to keep any parts
from dropping into the crankcase.
The crankshaft may be turned while the camshafts
are removed. Always pull the chain taut while turn-
ing the crankshaft. This avoids kinking the chain
on the lower (crankshaft) sprocket. A kinked chain
could damage both the chain and the sprocket.
Be sure to install the following parts.
Plug Hole Gaskets [A]
Dowel Pins [B]
Apply molybdenum disulfide oil solution to all cam parts
If a new camshaft is to be used, apply a thin coat of molyb-
denum disulfide grease to the cam surfaces.
The exhaust camshaft has a 1883 EX mark [A] and the
inlet camshaft has a 1182 IN mark [B]. Be careful not to
mix up these shafts.