Suzuki GS850G Service Manual page 48

TROUBLE SHOOTlNG
'
TROUBLE SHOOTING
ENGINE AND CHASSIS
Complaint Syrnptom and possible causes Remedy
Engine
will
not
Compression
too low
start. a t
i5
hard 1. Tappet clearance out or adjustment.
Adjust.
to
s
tart.
2.
Worn valve guides
or
poor watlnp of
valves.
Repair.
or replace.
3,
Valve< inktiming. Adjust.
4. Pi~ton rinec cxce~si\ely worn.
Replace.
5 . Worn-down cyl~nder horez.
Replace, or rebore.
h . Starter motor
cranks hu!
too
slnwly.
Consult "e!cctric~I
complain~s".
Plugs
not
sparking
I. I-'ouled spark plugs Clean.
2. Wct spark
plugs. Clean and dry.
3.
Contact point5 dirry. Clean.
4. Impropcr gaps on contact points.
Adjust.
5. Ipnit~on timing out or adjustment.
Adjust.
h. Uerective ignition coil. Replace.
7 . Open or short In h~ph-tenpion cord<.
Replace.
8.
Defective conden~er. Replace.
No
h e l
reaching
the carburetors
I. Cloggetl holt. in the fucl tank cap. Clean.
2. C l o ~ t e d or defective
fuel
cock. Clean or
replacc.
3.
Defective
carburetor
float valvc. Replace.
4.
Cloggcd fuel pipe or suction petcock pipe. Clean.
-
Engine stalls I. Foulcd qpark pl~rgr.
I
Clean
or
replace
easily. 2. Dirty contact point\.
CIean or replace
3. Ignltion timing out of adlustment. Adjuct.
4 .
Clopped file1 pipe. Clean.
5 .
Clopped
jet\
in carburetors. Clcan.
6. Tappet clearance
out
of adjustment. Adjust.
Noisy
engine
1
B X P ~ * S ~ Y P tappel c h s l l ~ r
1. Tappcl clearance too large. Adjust.
1
2 . Weakencd or hraken valve springs. Replace.
Noise appears to cnrne from pistons
I . Piqtons
or cylinders worn down.
Replace.
'
2.
Ccmhuqt~on charnherr
fouled w ~ f h carbon. Clean.
3.
Piston pins worn. Rcpalce.
1 Noise seems
to
#me from cam chain
I. Strclchcd
cham.
Replace.
2. Worn spmckcts. Rcpl ace.
3. Tension adjustor not working.
Repair
or replace.
Noise seems
to
come From clutch
I.
Wbrn yplincs of countershaft or huh. Replace.
2.
Worn teeth of clutch d i m .
Replace.
3 ,
Distorted cIutch dtscs, driven and drive.
Repair or replace.
Noise seems
ta come
from cmnkshafl
1. Rattling bearing< due to wtar.
Replace.
2. Rig-end bearings
worn and rapping.
Replacc.
Noise seems
to
come from trlrnsmission
1. Gears
worn
or rubbing.
Replace.
2. Radly worn splints.
Replace.
3. Primary gears worn or rubbing.
Replace.