Poor Performance At Low And Idle Speed - Honda 2003 NPS50 Ruckus Service Manual

POOR PERFORMANCE AT LOW AND IDLE SPEED

'· Spark Plug lnspecllon
flernc)w
IJ trnt spJ.trlt pJtJg In tood rottdlrion7
NO
Y ES
2.
(gnition Timing Inspection
Ch-�X:k the ignition timing
rs
tht:
NO
V£S
l. Catbure-tor pikn sc.nw lnlpeUJon
Check the ca;bumor
16 t1w
N O
YES
St3rting c
Ch�k
1!1 tht! MJtr61tg Mtlr:hnumr (SE1 v•lv• OK?
NO
YES
6. lntat• Manifold a..l ld"'t �
Ched for fNb n lfoc lnbllt f"''o oMi klkf and carbura:lor i nA!ator .
Does i r 1Hk. 1
YES
NO
&.
Sp;;rtt Test
Pel'form spsuk tl!".st.
I!J flu� spatk gtJOd 1
NO
YES
the spert ptuv
1nd�
lll1VIoecl
Plug nat fftQI.Ie.niiY
-
•
• bM
tncorrsct •»•rt P'i.ll
•
plug 91;p
lncorn�ct �>t�aft
GOTOSTEP2.
-
.
t/mln1 within �«lfkltion7
i g nU kJ n
-
Feurty £CM
•
l,gnltlon !)VIM o•n•tator
Fauky
•
lmptopet vtlvo titnn;
•
GO TO STEP 3.
-
pilot tcr.w .tJustm_ene..
""wIn th• c:wr«t � 1
ptlot
Set p,.ge
0..18
..
... 4,
GO TO STEP
r'i c fl'len
n h ISE) Viltvtln.&P4!rtion
l
(56) v,:vo.
the �lertlng enrlchmonl
Fal!l tv starting
Gflrld'lmft (SEt
-
GO TO STEP S.
-
• m.nitold
LI:IOMinte�
-
• tor
•
O.rlng
D01maged
-
6.
GO TO STEP
fallty
e1rbon or""'' fouled spart plug
Faulty�
« ahore.td 1� plug""
Br oii!M
f�.Aty
englne IIOP�
5crnhfon put. generetot
F•uCtv
fi:utty lgnttr on IWftch
L oose or dilc:orwti!CIId Ignition .,-stsm wir8s
C.rbl.lrnr
not �d f req ue ntly enovgh
Improperly ldfi,.llod vllve cfe.a�n"
enough
l
range
valve
bolt
mouni" n g
21-5