Valve Clearance - Honda Hawk GT NT650 1988 Service Manual

MAINTENANCE
VALVE CLEARANCE
NOTE
Inspect and adjust valve clearance while the engine is cold
(below 35°C/95°F).
Remove the following parts:
- seat (page 13-25)
- fuel tank (page 4-3)
- air cleaner case (page 4-4)
- thermostat housing mounting bolt and radiator mounting
bolts to releasing tension of water hoses
- crankshaft and timing hole caps
- cylinder head cover
Remove the cylinder head covers.
(3) INDEX NOTCH
FRONT CYLINDER
Rotate the flywheel counterclockwise to align the" FT" mark
with the index notch on the left crankcase cover. Make sure
the piston is at TDC (Top Dead Center) on the compression
stroke and the cam lobes are all facing down as shown.
(2) "FT" MARK
Inspect the clearance of all three valves by inserting a feeler
gauge between the adjusting screw and the valve.
VALVE CLEARANCES: (COLD)
Intake: 0.15 ± 0.02 mm (0.006 ± 0.0008 in)
Exhaust: 0.20 ± 0.02 mm (0.008 ± 0.0008 in)
Apply oil to the nut and screw threads.
TORQUE: 23 N'm (2.3 kg-m. 17 ft-Ib)
Hold the adjusting screw and tighten the lock nut.
07908 - KE90000
Adjust by loosening the lock nut and turning the adjusting
screw until there is a slight drag on the feeler gauge.
TOOL:
Valve adjusting wrench
3-7