Refer to “water pump disassembly and assembly” .
Mechanical seal
Visually inspect the mechanical seal for damage, with particular attention given to the sealing face.
Replace the mechanical seal that shows indications of leakage.

Oil seal
Visually inspect the oil seal for damage, with particular attention given to the lip.
Replace the oil seal that shows indications of leakage.

Seal washer
Visually inspect the seal washer for damage, with particular attention given to the sealing face.
Replace the seal washer that shows indications of leakage.

Impeller / shaft
Visually inspect the impeller and its shaft for damage.
Replace the impeller or shaft if necessary.

Impeller shaft journal
Visually inspect the journal for damage or scratch.
Replace the holder if necessary.

Water pump disassembly and assembly
SpecificationsPillion footrest construction
Pillion footrest
Spring
Ball
E-ring
Washer
O-ring
Footrest pin
Apply grease.
Do not reuse.
...
DTC “c46” (p1657-h/l or p1658): excv
actuator circuit malfunction
Detected condition
Possible cause
C46
The operation signal does not reach the
excv actuator.
Excva position sensor voltage low or
high
0.14 V ≤ Sensor voltage < 4.9 V
(without the above range)
excva can not operate properly.
Excva ...
Valve guide replacement
Remove the cylinder head. Refer to “engine top side disassembly” .
Remove the valves. Refer to “cylinder head disassembly and assembly” .
Using the valve guide remover, drive the valve guide
out toward the intake or exhaust camshaft side.
Special tool
(a): 09916–43211 (valve ...