Periodic Maintenance Procedures
Radiator Hose and Pipe Inspection (coolant leak,
damage, installation condition)
The high pressure inside the radiator hose can cause
coolant to leak [A] or the hose to burst if the line is not
Visually inspect the hoses for signs of deterioration.
Squeeze the hoses. A hose should not be hard and
brittle, nor should it be soft or swollen.
Replace the hose if any fraying, cracks [B] or bulges [C]
Check that the hoses are securely connected and clamps
are tightened correctly.
Torque - Radiator (Water) Hose Clamp Screws: 3.0 N·m
(0.31 kgf·m, 27 in·lb)
Engine Top End
Valve Clearance Inspection
Valve clearance must be checked and adjusted when
the engine is cold (room temperature).
Crankshaft Sensor Cover (see Crankshaft Sensor Re-
moval in the Electrical System chapter)
Cylinder Head Cover (see Cylinder Head Cover Re-
moval in the Engine Top End chapter)
Turn the crankshaft, align the #1, 4 mark on the timing
rotor with the crankcase timing mark.
TDC Mark [A] for #1, 4 Pistons
Timing Mark [B] (Crankcase Halves Mating Surface)
Using the thickness gauge [A], measure the valve clear-
ance between the cam and the valve lifter.
0.22 ∼ 0.31 mm (0.0087 ∼ 0.0122 in.)
0.15 ∼ 0.24 mm (0.0059 ∼ 0.0094 in.)
PERIODIC MAINTENANCE 2-23