Engine Lacks Power - Honda V 45 SABRE-VF750S 1982 Shop Manual

TROUBLESHOOTING
~ HONDA
.
V45 ~~~::
ENGINE LACKS POWER
POSSl6LE CAUSE
1.
A,i. whee's off ground
,nd
JOin bY h,rd
WHeeLS DO NOT SPIN FREELV
•
I , I
Bntke dntgglog
121
Worn or damaged whee' bearings
WHEEL SPINS FREELY
131
Whee' b ..
rlng
n..:ll lubrication
+
' "
Fi,.IIl'"
~ring
dlmaged
2. Check
ti ••
prlhUnt
PRESSURE LOW
. (1)
Punctur" tl ••
12)
Faulty II •• vllve
PRESSURE NORMAL
t
3.
Acell.'tl npldlv from low to MIC:OOd
ENGINE SPEED CHANGED
•
In
Clutch l!tppln,.
t
WHEN CLU TCH,S RELEASED
121
Worn clutCh dls.::/plill
ENGINE SPEED LOWEREO WHEN
131
W,rped clutch dillC/pl.nl
CLUTCHISAELEASEO
t
•• Aec.lr.~
liiI"tlv ENGINE SPEED DOES NOT INCREASE
•
' "
C.rbUrtlto' chok, eloNd
121
Clt>g9Id .1. elMn.,.
ENIONE SPEeo INCREASeS
131
Antfict .. fuel flow
141
Pinchtd ful'! tank b~th
... tube
(V45 SABAE)
151
Clogged mulfl ...
161
Pinched f ... 11 Link wnt hose
(V45
MAGNA)
5.
ChM;k l1i/1'111ion timing
INCORRECT
•
'"
Faulty 'Park unit
121
F .... lty
put .. ~nlrator
CORRECT
t
6 .
Ch-.;k vII ... CI"rll'l(:l INCORRECT
•
In
Improp¥ ... 1 .... adJustmtl"t
-
121
Wom .... I .... _1
CORRECT
t
7.
T.I cylinder c:Gmp<_ion TOO LOW
,
In
VII ... lluck open
121
Worn cyllndlr end pl-,on ringl
NORMAL
131
u.king hNd
gllSk~
I
'"
ImprO!)« vel .... timl!'lSl
8. Ch-.;k CIIrburitor for clogging CLOGGEO
•
In
Cart)urltOr not lWViCld
frequentlv enough
NOT CLOGGED
t
9.
Rwnov..,...k
ply.g
FOULED OR DISCOLORED
•
'" PI~ not MrVictd frtoquentlV
""""h
NOT FOULED OR DISCOLOR EO
121
Spark plug with Inc:omlct hut
I
renge
'0.
O>lCk 0111 .... 1 Ind cond ition INCORRECT
•
In
Oil 1...,.1 100 high
121
Oil 1 .... 1 100 low
CORRECT
131
Conuml~led oil
n .
Removt CVlioo8f" h-.d c:OY8f" Ind inspect
VALVE TRAIN NOT LU8RICATED
•
'"
Clogged all
~
lubrlc:allOn PROPERLY
121
Clawed oil control orllice
t
VALVE TRAIN LUBRICATED
PAOf'EAL Y
t
"- Check lor Inglne QYlrhNti!'lSl OVERHEATING
•
111
Excessi ... carbon
bulld~p
In combuilion chamber
NOT OVERHEATING
121
Ulli of poor Qual1tv fuel
I 131
CIUICh slipping
OJ. Aa:e1.,aIIOl' run at high
IP8«l
ENIGNE KNOCKS
• (11
Worn pilton and cyllndar
121
Wron!j tvpe of lUll
ENG INE DOES NOT KNOCK
131
Exc •• i .... earbon build-up In
combunlon c:hambfi
141
Ignition timing 100 edvenced
(Faultv .,.,k unit)
24-2
360
Date of Issue: May, 1982
e
HONDA MOTOR CO. , lTD.
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