Honda CBR650RA Shop Manual page 88

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MAINTENANCE
Calculate the new shim thickness using the equation
below.
A = (B – C) + D
A: New shim thickness
B: Recorded valve clearance
C: Specified valve clearance
D: Old shim thickness
• Make sure of the correct shim thickness by
measuring the shim by micrometer.
• Reface the valve seat if carbon deposit result in a
calculated dimension of over 2.900 mm.
Install the newly selected shim [1] on the valve retainer.
Install the shims
and valve lifters in
Apply molybdenum disulfide oil to the valve lifter [2]
their original
sliding surface.
locations
Install the valve lifters into the valve lifter holes.
Install the camshaft (page 10-8).
Rotate the camshafts by rotating the crankshaft
clockwise several times.
Recheck the valve clearance.
Apply engine oil to the timing hole cap O-ring.
Check that the O-
Apply grease to the timing hole cap threads.
ring is in good
condition, replace if
Install and tighten the timing hole cap to the specified
necessary.
torque.
TORQUE: 18 N·m (1.8 kgf·m, 13 lbf·ft)
Install the removed parts in the reverse order of
removal.
ENGINE OIL/OIL FILTER
OIL LEVEL CHECK
Hold the motorcycle in an upright position.
Start the engine and let it idle for 3 – 5 minutes.
Stop the engine and wait 2 – 3 minutes.
Remove the oil filler cap/dipstick [1] and wipe it clean.
Reinstall the oil filler cap/dipstick, but do not screw it.
Remove the oil filler cap/dipstick and check the oil level.
If the level is below or near the lower level [2] on the
dipstick, fill the recommended engine oil to the upper
level [3].
RECOMMENDED ENGINE OIL:
Honda "4-stroke motorcycle oil" or an equivalent
API classification: SG or higher
Viscosity: SAE 10W-30
JASO T 903 standard: MA
Check that the O-ring [4] is in good condition, replace it
if necessary.
Apply engine oil to the O-ring.
Install the oil filler cap/dipstick.
3-10
1.800 mm 1.850 mm
1.825 mm
[2]
[1]
[3]
[2]
1.875 mm
[4]
[1]