A drain hose is connected to the bottom of the air cleaner to drain water or oil accumulated in the cleaner part.
If any water or oil accumulates in the hose, remove the plug [B] from the drain hose and drain it.

| WARNING Oil on tires will make them slippery and can cause an accident and injury. Be sure to reinstall the plug in the drain hose after draining. |
Air Cleaner Element Inspection
Air Cleaner Housing RemovalValve-to-Guide Clearance Measurement (Wobble Method)
If a small bore gauge is not available, inspect the valve
guide wear by measuring the valve to valve guide clearance
with the wobble method as indicated below.
Insert a new valve [A] into the guide [B] and set a dial
gauge against the stem perpendicular to it as close as
possible to the cy ...
Chain Slack Inspection
Set the motorcycle up on its side
stand.
Rotate the rear wheel to find the position
where the chain is tightest, and
measure the maximum chain slack
by pulling up and pushing down the
chain midway between the engine
sprocket and rear wheel sprocket.
A. Chain Slack
If the ...
Radiator Cap Inspection
Remove:
Radiator Cap (see Coolant Change in the Periodic Maintenance
chapter)
Check the condition of the bottom [A] and top [B] valve
seals and valve spring [C].
If any one of them shows visible damage, replace the cap
with a new one.
Install the cap [A] on a cooling system pr ...