Maintenance Service Information; Maintenance Specifications; Torque Values - Honda 2003 NPS50 Ruckus Service Manual

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M AINTENANCE
S E RVICE INFORMATION
GENERAL
Support the scooter with its centerstand o n a level surface before starting any work.
Gasoline is extremely flammable a n d is explosive under certain conditions.
Work in a well ventilated area. Smoking o r allowing flames or sparks in the work area or where the gasoline is stored
can cause a fire or explosion.
If the engine must be running to do some work, make sure the area is well ventilated. Never run the engine in an
enclosed area.
The exhaust contains poisonous carbon m o n oxide gas that may cause loss of consciousness and may lead to death.
R u n the engine in an open area o r with an exhaust evacuation system in an enclosed area.
SPECIFICATIONS
Throttle grip freeplay
Spark plug
('03- '05 model)
Sp ark plug
(After '05 model)
Spark plug gap
Valve clearance
Eng ine oil capacity
R ecommended engine oil
Engine idle speed
Brake lever free play
Tire size ('03- '05 model)
Tire size (After '05 model)
Cold tire pressure
Minimum tire tread depth

TORQUE VALUES

Spark plug
Engine oil drain bolt
Engine oil strainer cap
4 -2
ITEM
Standard
For cold climate (below 5°C/41°F)
For extended high speed riding
Standard
For cold climate (below 5°C/41°F)
For extended high speed riding
IN
EX
After draining
At disassembly
12 N·m (1.2 kgf·m, 9 1bf·ft)
25 N·m (2.5 kgf·m, 1 8 lbf·ft)
20 N·m (2.0 kgf·m, 14 1bf·ft)
6 mm (1/16
2
1/4 in)
NGK
CRBEH-9
CR7EH-9
CR9EH-9
0.80 - 0.90 mm (0.031 - 0.035 in)
0.10 + 0.03 mm (0.004 + 0.001 in)
0.19 ± 0.03 mm (0.007
0.6 liter (0.6 US qt, 0.5 Imp qt)
0.7 liter (0.7 US qt, 0.6 1mp qt)
Pro Honda GN4 4-stroke oii (U.S.A. and Canada) or
an equivalent motor oil
API service classification: SG or higher
JASO T 903 standard: MA
Viscosity: SAE 1 OW -30
2,000 + 100 rpm
Front
10
20 mm (3/8
10 20 mm (3/8
Rear
1 20/90-10 54J
Front
Rear
130/90 -10 59J
Front
120/90-10 57J
Rear
1 30/90-10 61 J
Front
175 kPa (1.75 kgf/cm2, 25 psi)
175 kPa (1.75 kgf/cm', 25 psi)
Rear
0.8 mm (0.03 in)
Front
Rear
0.8 mm (0.03 in)
©2006 American Honda Motor Co., Inc.- All Rights Reserved
SPECIFICATIONS
DENSO
U24FER9
U22FER9
U27FER9
NGK
CRBEH-9
CR7EH-9
±
CR9EH-9
0.001 in)
13/16 in)
13/16 in)
Revised: September 2006, 2003-2007 NPS50
MSV 11664 (0609)

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