Honda Metropolitan CHF50 User Manual

MAINTENANCE
Remove the radiator cover (page 6-5).
Check the radiator air passage for clogs or damage.
Straighten bent fins with a small, flat blade screw-
driver and remove insects, mud or other obstruc-
tions with compressed air or low pressure water.
Replace the radiator if the air flow is restricted over
more than 20% of the radiating surface.
Install the radiator cover (page 6-8).
Install the luggage box (page 2-6).
SECONDARY AIR SUPP L Y SYSTEM:
('02 - '05 model)
Remove the luggage box (page 2-6).
Check the air supply hoses between the air cleaner
case and PAIR control valve and PAIR check valves
for damage or loose connections.
If the hoses show any signs of heat damage, inspect
the PAIR check valves (page 5-23).
Check the vacuum hose between the intake mani-
fold vacuum joint and PAIR control valve for deteri-
oration, damage or loose connections.
Also check that hose is not kinked or pinched.
Install the luggage box (page 2-6).
VACUUM HOSE
INTAKE MANIFOLD
AIR SUPPLY HOSE
PAIR CONTROL VALVE
PAIR CHECK VALVE
3-14

Honda Metropolitan CHF50 Specifications

General

Engine Type	49cc liquid-cooled single-cylinder four-stroke
Ignition	CDI
Transmission	Automatic V-Matic belt drive
Rear Suspension	Single shock
Front Brake	Drum
Rear Brake	Drum
Front Tire	80/100-10
Rear Tire	80/100-10
Seat Height	28.3 inches
Fuel Capacity	1.3 gallons
Bore x Stroke	37.8mm x 44.0mm
Compression Ratio	12.0:1
Starter	Electric
Curb Weight	179 pounds