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Honda Metropolitan CHF50 User Manual

Honda Metropolitan CHF50
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GENERAL INFORMATION
1-6
LUBRICATION SYSTEM SPECIFICATIONS
Unit: mm (in)
FUEL SYSTEM SPECIFICATIONS (’02 - ’05 model)
FUEL SYSTEM SPECIFICATIONS (After ’05 model)
COOLING SYSTEM SPECIFICATIONS
ITEM STANDARD SERVICE LIMIT
Engine oil capacity At draining 0.6 liter (0.6 US qt, 0.5 lmp qt)
At disassembly 0.7 liter (0.7 US qt, 0.6 lmp qt)
Recommended engine oil Pro Honda GN4 4-stroke oil (U.S.A. and
Canada) or an equivalent motor oil
API service classification: SG or higher
JASO T 903 standard: MA
Viscosity: SAE 10W-30
Oil pump rotor Tip clearance 0.15 (0.006) 0.20 (0.008)
Body clearance 0.15 – 0.20 (0.006 – 0.008) 0.22 (0.009)
Side clearance 0.05 – 0.10 (0.002 – 0.004) 0.12 (0.005)
ITEM SPECIFICATIONS
Carburetor identification number NVK00E
[P type] NVK00F
Main jet #72
Slow jet #35 X #35
Pilot screw initial opening 2-3/4 turns out
[P type] 2-1/8 turns out
Float level 13 mm (0.5 in)
Idle speed 2,000 ± 100 rpm
Starting enrichment (SE) valve resistance (20°C/68°F) 2.8 – 5.2
Throttle grip free play 2 – 6 mm (1/16 – 1/4 in)
ITEM SPECIFICATIONS
Carburetor identification number ’06 – ’07 model NVK00J
After ’07 model NVK00K
Main jet #72
Slow jet #35 X #35
Pilot screw initial opening 2-1/4 turns out
Float level 13 mm (0.5 in)
Idle speed 2,000 ± 100 rpm
Starting enrichment (SE) valve resistance (20°C/68°F) 2.8 – 5.2
Throttle grip free play 2 – 6 mm (1/16 – 1/4 in)
ITEM STANDARD
Coolant capacity Radiator and engine 0.3 liter (0.3 US qt, 0.3 lmp qt)
Reserve tank 0.18 liter (0.19 US qt, 0.16 lmp qt)
Radiator cap relief pressure
108 137 kPa (1.1 – 1.4 kgf/cm
2
, 16 – 20 psi)
Thermostat Begin to open 74 – 78 °C (165 – 172 °F)
Fully open 100 °C (212 °F)
Valve lift 8 mm (0.3 in) minimum
Standard coolant concentration 1:1 mixture with soft water

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Honda Metropolitan CHF50 Specifications

General IconGeneral
Engine Type49cc liquid-cooled single-cylinder four-stroke
IgnitionCDI
TransmissionAutomatic V-Matic belt drive
Rear SuspensionSingle shock
Front BrakeDrum
Rear BrakeDrum
Front Tire80/100-10
Rear Tire80/100-10
Seat Height28.3 inches
Fuel Capacity1.3 gallons
Bore x Stroke37.8mm x 44.0mm
Compression Ratio12.0:1
StarterElectric
Curb Weight179 pounds

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