Honda Metropolitan CHF50, Руководство по обслуживанию, Страница: 90 / 319

FUEL SYSTEM
5-4
SERVICE INFORMATION
GENERAL
• Work in a well ventilated area. Smoking or allowing flames or sparks in the work area or where gasoline is stored can
cause a fire or explosion.
• For fuel pump inspection, refer to page 4-5.
• For throttle sensor inspection, refer to page 16-8.
• When disassembling fuel system parts, note the locations of the O-rings. Replace them with new ones on reassembly.
• Before disassembling the carburetor, place a suitable container under the carburetor drain hose. Loosen the bolt and
drain the carburetor.
• After removing the carburetor, wrap the intake port of the engine with a shop towel or cover it with pieces of tape to
prevent any foreign material from dropping into the engine.
SPECIFICATIONS: (’02 -’05 model)
SPECIFICATIONS: (After ’05 model)
TORQUE VALUES
TOOLS
ITEM SPECIFICATIONS
Carburetor identification number NVK00E
[P type] NVK00F
Main jet #72
Slow jet #35 X #35
Pilot screw 2-3/4 turns out
[P type] 2-1/8 turns out
Float level 13 mm (0.51 in)
Idle speed 2,000
±
100 rpm
Starting enrichment (SE) valve resistance (20
°
C/68
°
F) 2.8 – 5.2
Ω
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 2-1/4 turns out
Float level 13 mm (0.51 in)
Idle speed 2,000
±
100 rpm
Starting enrichment (SE) valve resistance (20 ° C/68 ° F) 2.8 – 5.2 Ω
Throttle grip free play 2 – 6 mm (1/16 – 1/4 in)
Float chamber screw 2.1 N·m (0.21 kgf·m, 1.5 lbf·ft)
Vacuum chamber cover screw 2.1 N·m (0.21 kgf·m, 1.5 lbf·ft)
SE valve setting plate screw 2.1 N·m (0.21 kgf·m, 1.5 lbf·ft)
Insulator band screw (After ’03: V.I.N After 5018998) 3.0 N·m (0.30 kgf·m, 2.2 lbf·ft)
Carburetor float level gauge
07401-0010000
Pilot screw wrench
07KMA-MS60101
or 07MMA-MT3010B
or 07MMA-MT3010A (U.S.A. only)