Blowby Gas System
Blowby Gas System Inspection
Remove the fuel tank (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
Be certain that the breather hose [A] is routed without
being flattened or kinked, and is connected correctly to
left air cleaner housing.
If it is not, correct it.
Remove the left air cleaner housing (see Air Cleaner
Housing Removal in the Fuel System (DFI) chapter).
Inspect the breather hose and the air cleaner drain cap
[A] for damage or signs of deterioration.
The hose and drain cap should not be hard and brittle,
nor should be soft or swollen.
Replace them if any cranks or swelling noticed.
Breather Check Valve Cover Bolts [A]
Breather Check Valve Cover [B]
Remove the breather check valve [A].
Pinch the check valve with care so that it does not get
damage. Do not use standard tip screwdriver, metal and
Visually inspect the breather check valve [A] for any dam-
Replace the valve, if it is damaged.
ENGINE LUBRICATION SYSTEM 7-21