Honda NU50 User Manual

3.
MAINTENANCE
3-1
COMPRESSION TEST 3-7
3-2 <CHASSIS>
BATTERY 3-8
3-3 BRAKE
3-8
E1
3-3
SUSPENSION
3-9
3-4
STEERING HEAD BEARINGS
3-10
I
3-4
HEADLIGHT AIM 3-10
3-5
WHEELS/TIRES 3-10
I
3-5
NUTS,BOLTS,FASTENERS 3-11
I
3-7
,--
SERVICE INFORMATION
MAINTENANCE SCHEDULE
<ENGINE>
FUEL LINES
FUEL
STRAINER
AIR CLEANER
BYSTARTER ELEMENT
SPARK PLUG
THROTTLE OPERATION
l IGNITION TIMING
SERVICE INFORMATION
GENERAL
Fillal rr,(JIJ(;tion oil
Oil pump
CylirHJer head and pistOl' decarbonizing
Cylinder cxh"USI port decarbonizing
See p<l~le 2-3.
See page 2-5.
See page 6·2.
See page 6·5.
SPECIFICATIONS
ENGINE
SPARK PLUG
r:=-
--- -
~----
NGK
ND
STANDARD
BPR·5H$ W16FPR
For extended high
BPR·6HS
W20FPR
, speed operatio,'
--'.,-- -
I For col~. clima;c,
BPR·4H$
W14FPR·L
below 5-C, 41 F
SPARK PLUG GAP
COMPRESSION
IGNITION TIMING
THROTTLE FREE PLAY
lDLE SPEED
AlA SCREW OPENING
0.6 - 0.7 mrn (0.024 - 0.028 m)
130 kPa {13.0 kg/em:. 185 psi}
15 i 3'0/
2
,000 rpm BTDC (CONSTANT)
2 - G mrn (118 - 1/4 in)
1.800 rpm
2 tur'ns out
CHASSIS
BRAKE lEVER FREE PLAY
FRONT
REAR
TIRE size FRONT
REAR
TIRE PRESSURE FRONT
REAR
MINIMUM TREAD DEPTH
FRONT
REAR
10 - 15 mm (3/S - SiS in)
10 - 15 mm (3/S - 5/S in)
2.25-16 (4PR)
2.75·14 (4PR)
125
kPa (1.25 kg/cm
1
,
18 IJsi)
175 kPa (1.75 kg/cm
1
,24 psi)
0.8 mm (1/32 in)
0.8 rnm (1132 in)
Date of Issue: Nov., 1981
© HONDA MOTOR CO., lTD.
23
3-1

Honda NU50 Specifications

General

Brand	Honda
Model	NU50
Category	Scooter
Language	English