Honda Urban Express NU50 1982 User Manual

r;:;;r.. HONDA
NU50· NU50M
MAINTENANCE
RCIlIstali the retainer llnd element Into (he bystarler
chamber body.
Reinstall the bvstarter chamber cap OntO tile chamber
booy. aligning Ihe tab alIne body With the groove in
Ihe cap.
Reinstall the bystatTer chamber in the holder.
OVSTARTER CHAMBER
CHAMBER HOLDER
SPARK PLUG
ap, and remove the spark
I
0.6-0.7 mm
lug electrodes for wear.
(0.024-0.028 inli
d have square edges and
ave a canstil"' thickness.
re is apparent wear or if
GAP
__ DEFORMATION
hipped. If the spark plug
WEAR
I
.' I
• sand bl3sting, the sp;lfk
FOULING
I
-
t Ihe gap WIth 1I feeler
DEPOSITS
the sidc electrode only.
DAMAGE
,
GK
--'
-
A·5HS
'lr
R·6HS W20FPA
·4H5
W14FPR·L
2....-€mm
SPA
DIsconnect the Spii! k, plug C
plug.
Visually Irupec! the spark p
The center electrode shoul
tnl' side eleclfode should h
Discard the spark plug if Ihe
the insulator '$ cracked or c
deposns can be removed b,
plug can lie reused. Inspec
gau!JC and adjust by bending
For cold &hma,e,
I below S"C. 4
SPECIFIED SPARK PLUGS
I ST.<NOAAO---C:
For CloClendcd hlSh BP
speed operation
Check the washer tor deformation.
THROTTlE OPERATION
THAOTILE CABLE ADJUSTMENT
Measure the throttle grip free play at the thronle
grip flange.
FREE PLAY: 2-6 mm (1/8-114 in)
Adjustments can be made by loosening the lock nut
and turnmg the throttle gnp free play adjuster.
Replact the throttle cable when the above procedure
is not longer effective.
Adjust the all pump COnlrol cable (next page).
(1/8-1/4 in)
ADJUSTER
LOCK NUT
DlIte of Issue: Nov., 19B1
© HONDA MOTOR CO., LTD.
27
3-5

Honda Urban Express NU50 1982 Specifications

General

Brand	Honda
Model	Urban Express NU50 1982
Category	Motorcycle
Language	English