Honda Metropolitan CHF50 User Manual

GENERAL INFORMATION
CYLINDER HEAD/VALVES SPECIFICATIONS
Unit: mm (in)
ITEM
Cylinder compression
Cylinder head warpage
Valve, valve
guide
Valve clearance
Valve stem O.D.
Valve guide I.D.
Stem-to-guide
clearance
Valve guide projection
above cylinder head
Valve seat width
Valve spring free length
Rocker arm
Camshaft
Rocker arm I.D.
Rocker arm shaft O.D.
IN
EX
IN
EX
IN/EX
IN
EX
IN
EX
IN/EX
IN/EX
IN/EX
IN/EX
Side spring free length
Cam lobe height
[P typ e : '02 -
'05 model]
IN
EX
IN
EX
STANDARD
1,393 kPa (14.2 kgf/cm
2
, 202 psi)
at 1,500 rpm
-
0.10 ±0.03 (0.00410.001)
0.1910.03(0.007 + 0.001)
4.475 - 4.490 (0.1762 - 0.1768)
4.465 - 4.480 (0.1758 - 0.1764)
4.500-4.512(0.1772-0.1776)
0.010 - 0.037 (0.0004 - 0.0015)
0.020 - 0.047 (0.0008 - 0.0019)
9.05-9.35(0.356-0.368)
9.05-9.35(0.356-0.368)
1.0(0.04)
33.5(1.32)
10.000 - 10.015 (0.3937 - 0.3943)
9.972 - 9.987 (0.3926 - 0.3932)
16.5(0.65)
29.2365-29.3165(1.15104-1.15419)
29.2907 - 29.3707 (1.15318 - 1.15633)
27.8909-27.9709(1.09806-1.10121)
27.9503 - 28.0303 (1.10040 -1.10355)
SERVICE LIMIT
—
0.05 (0.002)
-
-
4.465(0.1758)
4.455(0.1754)
4.54(0.179)
0.075 (0.0030)
0.085 (0.0033)
-
-
1.5(0.06)
32.2(1.27)
10.10(0.400)
9.91 (0.390)
15(0.6)
29.2065(1.14986)
29.2607(1.15199)
27.8623(1.09694)
27.9217(1.09928)
KICKSTARTER/DRIVE PULLEY/DRIVEN PULLEY/CLUTCH SPECIFICATIONS
Unit: mm (in)
ITEM
Clutch Clutch outer I.D.
Lining thickness
Drive belt width
Movable drive face
Driven pulley
Bushing I.D.
Boss O.D.
Weight roller O.D.
Face spring free length
Driven face O.D.
Movable driven face I.D.
STANDARD
107.0-107.2(4.21-4.22)
-
18.15(0.715)
20.035 - 20.085 (0.7888 - 0.7907)
20.010 - 20.025 (0.7878 - 0.7884)
15.92-16.08(0.627-0.633)
79.6(3.13)
33.950 - 33.970 (1.3366 - 1.3374)
34.015 - 34.035 (1.3392 - 1.3400)
SERVICE LIMIT
107.5(4.23)
2.0 (0.08)
17.15(0.68)
20.13(0.793)
19.97(0.786)
15.4(0.61)
75.3 (2.96)
33.70(1.327)
34.29(1.350)
FINAL REDUCTION SPECIFICATIONS
ITEM
Final reduction oil capacity (at disassembly)
Recommended final reduction oil
SPECIFICATIONS
0.1 liter (0.11 US qt, 0.09 Imp qt)
Hypoid gear oil #90
1-7

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