Honda Metropolitan CHF50 User Manual

CRANKSHAFT/PISTON/CYLINDER
Apply engine oil to the connecting rod big end bear-
ing (3 cm
3
), connecting rod journal bearings (2 cm
3
each), cylinder wall, piston and piston ring outer
surface.
Be careful not to Install the piston with the "IN" mark facing the cam
damage the piston chain side while compressing the piston rings with
rings and cylinder your fingers.
walls. Align the crankshaft bearing groove with the set
ring.
CRANKCASE ASSEMBLY
Apply oil to a new crankshaft oil seal lip and outer
surface.
Install the crankshaft oil seal until it is flush with the
crankcase surface.
Install the dowel pins into the upper crankcase.
Apply sealant to the lower crankcase mating sur-
face.
Install the lower crankcase over the upper crank-
case.
DOWEL PINS
12-11

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