Engine Components Inspection And Servicing; Cylinder Head Cover - Suzuki VL800 Service Manual

3-22 ENGINE
ENGINE COMPONENTS INSPECTION
AND SERVICING

CYLINDER HEAD COVER

DISASSEMBLY
&
Be sure to identify each removed part as to its location,
and lay the parts out in groups designated as "No.1 cyl-
inder", "No.2 cylinder", "Exhaust", "Intake", so that each
will be restored to the original location during assembly.
• Loosen the rocker arm shafts and pull out the rocker arm shafts.
CYLINDER HEAD COVER DISTORTION
After removing sealant from the fitting surface of the cylinder head
cover, place the cylinder head cover on a surface plate and check
for distortion with a thickness gauge.
" Cylinder head cover distortion
Service Limit: 0.05 mm (0.002 in)
% 09900-20803: Thickness gauge
If the distortion exceeds the limit, replace the cylinder head cover.
ROCKER ARM SHAFT O.D.
Measure diameter of rocker arm shaft.
" Rocker arm shaft O. D. (IN & EX)
Standard: 11.966 – 11.984 mm
(0.4711 – 0.4718 in)
% 09900-20205: Micrometer (0 – 25 mm)
ROCKER ARM I.D.
When checking the valve rocker arm, the inside diameter of the
valve rocker arm and wear of the camshaft contacting surface
should be checked.
" Rocker arm I.D.
Standard: 12.000 – 12.018 mm
(0.4724 – 0.4731 in)
% 09900-20605: Dial calipers
REASSEMBLY
• Apply SUZUKI MOLY PASTE to the rocker arms and their shafts.
' 99000-25140: SUZUKI MOLY PASTE
( Rocker arm shaft: 27 N . m (2.7 kgf . m, 19.5 lb-ft)