KYMCO 125 DINK -, Руководство по обслуживанию

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1. GENERAL INFORMATION
1-32
DINK 200i/125
ENGINE LACKS POWER
!
Clogged air cleaner
"
Faulty fuel pressure regulator
#
Clogged exhaust muffler
$
Faulty fuel pressure regulator
%
Faulty fuel pump
!
Improper valve clearance
adjustment
" Worn valve seat (valve stem
too protruding)
! Improper valve and seat
contact
" Worn cylinder and piston
rings
# Blown cylinder head gasket
$ Flaws in cylinder head
% Improper valve timing
Throttle body clogged or
Air cleaner clogged
! Fouled spark plug
" Incorrect heat range plug
!
Oil level too high
"
Oil level too low
#
Oil not changed
!
Clogged oil passage
"
Faulty oil pump
!
Insufficient coolant
"
Faulty thermostat
#
Worn cylinder and piston
rings
$ Mixture too lean
% Poor quality fuel
& Excessive carbon buildup in
combustion chamber
! Excessive carbon buildup in
combustion chamber
" Poor quality fuel
# Mixture too lean
$ Clutch slipping
Start engine and
accelerate lightly for
observation
Inspection/Adjustment
Symptom
Probable Cause
Engine speed
increases
Engine speed does
not increase
sufficiently
Test cylinder
compression
Check throttle body for
clogging
Rapidly accelerate or
run at high speed
Remove spark plug and
inspect
Check if engine
overheats
Check valve clearance
Correct Incorrect
Normal
compression
Abnormal
compression
Not Clogged
Clogged
Remove oil dipstick and
check oil level and
condition
Remove cylinder head
oil inspected bolt and
Inspect.
Engine overheats
Engine does not
overheats
Plug not fouled or
discolored
Plug fouled or
discolored
Correct and not
contaminated
Incorrect or
contaminated
Valve train
lubricated properly
Valve train not
lubricated properly
Engine does not knock
Engine knocks