Yamaha XV1600A1999, Service Manual

Page: 250 / 460

5-22
E
ROCKER ARMS, PUSH RODS AND VALVE LIFTERS
ENG
CAUTION:
CAUTION:
NOTE:
WARNING
1. Bleed:
valve lifter
a. Fill the container with kerosene and place the
valve lifter into the container.
On the plunger side of the valve lifter use a
hand press and pump it a number of times
and pour in the kerosene.
Do not pump the valve lifter more than nec-
essary.
Kerosene is highly flammable.
1 Kerosene
2 Valve lifter
b. Install the valve lifter to the engine.
Be sure to reinstall the valve lifter to its origi-
nal position.
c. Start the engine and warm it up.
d. Stop the engine.
e. Remove the camshaft sprocket cover.
f. Rotate the camshaft and align it to top dead
center (TDC) of piston #1.
If the spark plugs are removed, the crankshaft
can be rotated smoothly.
Be careful as the engine will get hot.
g. When piston #1 is at TDC, mark the position
of the camshaft driven gear when the valve
lifter is lifted to its highest point.
1 TDC Punch mark Valve lifter
2 #2 cylinder
Intake side Highest point
3 #1 cylinder Exhaust side Highest point
4 #1 cylinder Intake side Highest point
5 #2 cylinder Exhaust side Highest point