Engine Lacks Power - Honda 2003 NPS50 Ruckus Service Manual

ENGINE LACKS POWER

1. Drive Trfllnlnspection
Robe N tront wheel off tM g.-ound 21nd s pin lt by Mnd.
.,... tho ___ 1
NO
VES
Z. T wo P rOK II,.. Inspection
Chedl; lha tJrl prtiSSU(I,
the '"
IJ
NO
YES
3. Dri¥• kt1; tntpeeciof l
Chec;t ltlt drlve bQir wldlb,
1$ t h o drlV. belt wirhll
N O
YES - GO tO STEP ••
4.. Ctlltdl �on
Acce�nne ••pl-dly.
DCHn th• ttngfn� SJH6d chtJnge sccordingfvl
NO
YES
5. Engine Perform ane& lnspectlon
Acce'l&rt11
DoH rh• •l't9' ine $pHd i n<:rMS r!
NO
YES
a. �tit Plug IMPection
Removo •nd lntil)eel ll"le spnrfc phtg.
1$ rh� .apri plug lrlgood corrclitiotJJ
NO
YES
- • 8!8ke dragging
•
Wom or d•m.gad wheel bearing•
•
Bent;)JC�
... 00TOSTEP2.
ptd.JWe
eotr«t.,
-
Faulty tire v.etv•
•
Punctured tiro
•
- GO TO STEP 4,
w it h in
SJ»CirH:tJllool
- \\'om Clrlve bill
•
Clutch slipping
Wom dvtd1 lhOelloutar
W eak driYoft '•co s:p;ring
•
Weig"ii t'Olloe:ta�
•
- 00 TO ST<P 5.
l' g hdy.
F e� saning .,.ietlmem (SE) wa;w
Clogge,'Cf t�lr cMin41f
Aewlcted Nel now
Clogged mulrtor
Ctoooed ruel cap b r e a th e r
Faulty fwl l)l.lmD
hWtv thron:t. posi: tion .,sor
- GO TO STEP 8.
- • Plug not senobd fr�nttv enough
k'lc:Orrect apart plug beat r;n;•
•
• lncon'ect lplfk ,.U9 gap
- GOTO STEP7,
21-