Honda Metropolitan CHF50 User Manual

GENERAL INFORMATION
CRANKSHAFT/PISTON/CYLINDER SPECIFICATIONS
Unit: mm (in)
ITEM
Crankshaft
Cylinder
Piston, piston
pin, piston
rings
Connecting rod side clearance
Connecting rod radial clearance
Runout
I.D.
Out-of-round
Taper
Warpage
Piston O.D.
Piston O.D. measurement point
Piston pin bore I.D.
Piston pin O.D.
Piston-to-piston pin clearance
Piston ring-to-
ring groove clear-
ance
Piston ring end
gap
Top
Second
Top
Second
Oil
(side rail)
Cylinder-to-piston clearance
Connecting rod small end I.D.
Connecting rod-to-piston pin clearance
STANDARD
0.10-0.40(0.004-0.016)
0.004 - 0.016 (0.0002 - 0.0006)
-
37.800 - 37.810 (1.4882 - 1.4886)
-
-
-
37.775 - 37.795 (1.4872 - 1.4880)
10 mm (0.4 in) from bottom of skirt
10.002 - 10.008 (0.3938 - 0.3940)
9.994-10.000 (0.3935 - 0.3937)
_0.002 - 0.014 (0.0001 - 0.0006)
0.020 - 0.050 (0.0008 - 0.0020)
0.015 - 0.050 (0.0006 - 0.0020)
0.05-0.15(0.002-0.006)
0.05-0.17(0.002-0.007)
0.10-0.60(0.004-0.024)
0.005 - 0.035 (0.0002 - 0.0014)
10.013 - 10.028 (0.3942 - 0.3948)
0.013-0.034(0.0005-0.0013)
SERVICE LIMIT
0.60 (0.024)
0.05 (0.002)
0.10(0.004)
37.76(1.487)
0.05 (0.002)
0.05 (0.002)
0.05 (0.002)
37.72(1.485)
-
10.04(0.395)
9.98 (0.393)
0.04 (0.002)
0.08 (0.003)
0.08 (0.003)
0.40(0.016)
0.40(0.016)
0.80(0.031)
0.08 (0.003)
10.05(0.396)
0.06 (0.002)
FRONT WHEEL/BRAKE/SUSPENSION/STEERING SPECIFICATIONS
Unit: mm (in)
ITEM
Minimum tire tread depth
Cold tire pressure
Axle runout
Wheel rim runout
Brake
Fork
Radial
Axial
Right brake lever free play
Drum I.D.
Lining thickness
Spring free length
STANDARD
-
125 kPa (1.25 kgf/cm
2
,18 psi)
-
-
-
10-20(3/8-13/16)
95.0 (3.74)
3.5(0.14)
128.5(5.06)
SERVICE LIMIT
0.8 (0.03)
-
0.20 (0.008)
2.0 (0.08)
2.0 (0.08)
-
95.5 (3.76)
1.0(0.04)
125.9(4.96)
REAR WHEEL/BRAKE/SUSPENSION SPECIFICATIONS
Unit: mm (in)
ITEM
Minimum tire tread depth
Cold tire pressure
Wheel rim runout
Brake
Radial
Axial
Left brake lever free play
Drum I.D.
Lining thickness
STANDARD
•
200 kPa (2.00 kgf/cm
2
, 28 psi)
-
-
10-20(3/8-13/16)
L95.0 (3.74)
3.5(0.14)
SERVICE LIMIT
0.8 (0.03)
-
2.0 (0.08)
2.0 (0.08)
-
95.5 (3.76)
1.0(0.04)
1-8

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