Suzuki Intruder VL800 User Manual

ENGINE 3-25
CYLINDER HEAD
VALVE AND VALVE SPRING DISASSEMBLY
• Using special tools, compress the valve springs and remove
the two cotter halves 1 from valve stem.
% 09916-14510: Valve spring compressor
09916-14910: Valve spring compressor attachment
09916-84511: Tweezers
• Remove the valve spring retainer, inner spring and outer spring.
• Pull out the valve from the other side.
• Remove the valve stem seal and valve spring seat.
NOTE:
Removal of valves completes ordinary disassembling work. If valve
guides have to be removed for replacement after inspecting re-
lated parts, carry out the steps shown in valve guide servicing
(
! 3-27)
CYLINDER HEAD DISTORTION
• Decarbonize the combustion chambers.
Check the gasketed surface of the cylinder head for distortion
with a straightedge and thickness gauge, taking clearance read-
ing at several places indicated. If the largest reading at any posi-
tion of the straightedge exceeds the limit, replace the cylinder
head.
" Cylinder head distortion
Service Limit: 0.05 mm (0 002 in)
% 09900-20803: Thickness gauge
VALVE FACE WEAR
Visually inspect each valve for wear of its seating face. Replace
any valve with an abnorma ly worn face.
The thickness T decreases as the wear of the face advances.
Measure the thickness and, if the thickness is found to have been
reduced to the limit replace it.
" Valve head thickness
Service Limit T: 0.5 mm (0.02 in)
% 09900-20102: Vernier calipers

Suzuki Intruder VL800 Specifications

General

Engine Type	4-stroke, liquid-cooled, SOHC, 45-degree V-twin
Displacement	805cc
Bore x Stroke	83.0 mm x 74.4 mm
Compression Ratio	9.4:1
Fuel System	Fuel injection
Ignition	Electronic ignition (Transistorized)
Transmission	5-speed constant mesh
Final Drive	Shaft drive
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Link type, coil spring, oil damped
Front Brakes	Disc brake
Rear Brakes	Drum brake
Front Tire	130/90-16M/C 67H
Rear Tire	170/80-15M/C 77H
Overall Height	1, 105mm (43.5 inches)
Wheelbase	1, 655 mm
Ground Clearance	140mm (5.5 inches)
Seat Height	700 mm (27.6 in)