Honda Metropolitan CHF50 User Manual

FUEL SYSTEM
The vacuum
chamber cover is
under spring
pressure.
VACUUM CHAMBER
Remove the screws and clamp while holding the
vacuum chamber cover.
CLUMP
SCREWS
CHAMBER COVER
Remove the vacuum chamber cover, compression
spring and diaphragm/vacuum piston.
Check the piston for smooth operation up and down
in the carburetor body.
SPRING
| DIAPHRAGM/VACUUM PISTON
Be careful not to Turn the needle holder counterclockwise while
damage the dia- pressing it in and remove the holder flanges from
phragm. the piston grooves.
Remove the needle holder, spring and jet needle
from the vacuum piston.
DIAPHRAGM/
VACUUM PISTON
Check the followings:
- Jet needle for stepped wear
- Vacuum piston for wear or damage
- Diaphragm for pin holes, deterioration or dam-
age
NEEDLE HOLDER
DIAPHRAGM/VACUUM PISTON
JET NEEDLE
SPRING
DIAPHRAGM NEEDLE HOLDER
5-11

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