KS Motorcycles K-LIGHT125, Руководство по обслуживанию

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The clutch is
slipping
Handle it according
to 1.7
Remove the spark plug, observe
the color of the insulator group of
spark plug and judge the mixing
ratio of combustible mixture
according to various abnormal
phenomena
1. Check whether the water pump is
working properly
2. Check whether the thermostat is
working properly
3. Check whether the water pipe in
the system is blocked
The insulator group of spark plug is
black, and when the engine is running
at low to medium speed, the exhaust
muffler will emit black smoke or blast,
acceleration performance becomes
poor, idle speed become unstable and it
easy to flame out, and it is normal
when running at a high speed.
The insulator group of spark plug
is brown
The insulator group of spark plug
is white, and the engine is
intermittently operate when
accelerating, the carburetor is
tempered, and engine power is
insufficient
Too thick combustible
mixture
1. Check whether air filter is
blocked
2. Check whether the starter device
of throttle valve is working
properly
The mixture ratio of combustible
mixture is normal
Check whether cylinder
block exhaust port and
exhaust muffler are
blocked due to excessive
carbon deposition
Check lubrication
system
Too thin combustible
mixture
Four-stroke engine
lubrication system
1. Check whether the
fuel pump is working
properly
1. Check whether the oil in the crankcase is
insufficient
2. Check whether the viscosity of oil in the
crankcase is too low or it is too dirty
3. Check whether oil filter is blocked
4. Check whether the fuel pump is working
properly
5. Check whether the lubrication oil passage is
blocked
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