C A R B U R ET O R
Complaint
Sym ptom and poss i b l e cau ses
T rou b l e with
1 . Starter j et is cl ogged .
starting.
2.
Starter pipe is c l ogged .
3 .
A i r l ea k i ng from a j o i nt between sta rter body and
carbureto r .
4 .
Starter pl u nger is not operati ng prope r l y .
I d l i n g o r l ow-speed
1 . P i lot jet, p i l ot a i r jet a re c l ogged o r l oose.
trou ble.
2 .
P i l ot outl et or bypass is c l ogged .
3 .
I m proper l y set p i l ot screw.
4 .
Starter pl u nger is n o t fu l l y c l osed .
5 . I ncorrect fl oat h e ight.
Med i u m - or high-
1 . M a i n jet o r m a i n a i r jet is cl ogged .
speed trou ble.
2 .
N eed l e jet is clogged .
3 .
Th rott l e valve is not operat i ng prope r l y .
4 .
F i lter is cl ogged .
5. I ncorrect fl oat height.
6 .
Sta rter p l u nger i s not fu l l y c l osed .
Overf l o w and fu e l
1 . N eed l e va l ve is worn or damaged .
level f l u ctuations.
2 .
Spr i ng i n needl e va l ve is broke n .
3 .
F l oat is not work i n g prope r l y .
4 .
Foreign m atter has ad hered to need l e v a l ve .
5 . F ue l l evel is t o o h igh or l ow .
F U E L
P U MP
Complaint
Sym ptom and poss i b l e cau ses
I d l i ng or l ow-speed
1 . N o fuel reach i ng the carbu reto r .
trou b l e .
2 .
C l ogged fu el ta n k vent hose.
Med i u m o r h igh-
3.
F u e l pu m p is not operating prope r l y .
speed trou ble.
E L E C T R I C A L
Com plaint
Sym ptom and poss i b l e cau ses
No spa r k i n g or
1 . D efective ign ition coi l .
poor spa r k i ng.
2 .
D efect ive spark p l u g .
3 .
D efect ive magneto .
4 .
Defect ive C D I u n it.
5. D efective pick-up coi l .
Spark p l u g soon
1 . M ixture too rich .
becomes fou led
2 .
I d l ing speed set too h igh .
w ith carbon.
3.
I ncorrect gaso l i n e .
4 .
D i rty e l e m ent i n a i r cleaner.
5 . S p a r k p l u g t o o co l d .
Spark p l u g
1 . Worn p i ston rings.
becomes fou led too
2 .
P iston or cyl i nder wor n .
soon.
3.
E xcess ive cl earance of va l ve stem s in va l ve gu ides.
4 .
Worn stem oil sea l .
S E R V I C I N G I N F O R M AT I O N
8-4
R e m edy
C l ean .
Cl ean .
Check starter body a nd
ca rbu ret or for tightness,
adjust and repl ace gasket.
Ch eck and adj u st .
Check and clea n .
Check a n d clea n .
Adj u st.
Ch eck and adj u st .
Adj u st.
Ch eck and clean.
Check and clean.
Ch eck th rottl e valve for
operat i o n .
Check and c l ea n .
Adj ust.
Cl ose .
R e p l a ce .
R e p l ace .
Adj u st o r replace.
C l e a n .
Adjust f l oat h e ight.
R e medy
Clean or rep l ace.
Clean or re p l ace.
Check fuel pu m p for
operation.
R e medy
R epl ace .
R e p l ace .
R e p l ace.
R ep l ace .
R e pl ace .
Adj u st carbu reto r .
Adj u st carbu reto r .
Change.
C l e a n .
R e p l ace b y h o t type p l u g .
R ep l ace.
R e p l ace .
R e p l a ce .
R ep l ace .
Summary of Contents for LT-4WD 1990
Page 3: ...VI EW O F SUZU KI LT 4WDH 87 MODEL R IGHT SI D E L E FT SI D E ...
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Page 33: ...2 1 9 P ER I O D I C M A I N T E N AN C E AN D TU N E U P P R O C E DU R ES ...
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Page 119: ...4 1 S H A FT D R I V E A N D D I F F E R E N T I A L D R IVE L I N E ...
Page 177: ...5 1 9 F U E L A N D L U B R I CAT I O N SYST E M LUBRICATION SYSTEM ...
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Page 197: ...l l C H ASS I S F RONT CAR R I E R A N D F RON T F E N D E R ...
Page 276: ... S E RV I C I N G I N F O R M AT I O N 8 20 000 0 _5 t ...
Page 277: ...8 2 1 S E R V I C I N G I N F O R MATI O N c ...
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Page 296: ... CONTENTS flf f iJL l flf fl J l f f 1 ...
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Page 433: ...15 31 LT F4WDXM 91 MODEL R EAR BRAKE R EAR WH E E L AN D B ...
Page 440: ...S t a rter r e l a y V I EW B Battery To starter motor I starter relay C l a m p V I EW A ...
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Page 508: ...SUZUKI MOTOR CORPORATION ...