KYMCO Venox 250, Руководство по обслуживанию

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2
. INSPECTION/ADJUSTMENT
2-12
VENOX 250
AIR CLEANER
AIR CLEANER REPLACEMENT
Remove the right side cover.
Remove the air cleaner case cover screws and the
cover.
Remove the air cleaner element.
Check the element and replace it with a new one if it
is excessively dirty or damaged.
CHANGE INTERVAL
More frequent replacement is required if ridden in
unusually dusty or rainy areas.
Replace the element at every 20000 km.
CYLINDER COMPRESSION
Remove the spark plug and insert a compression
gauge.
Open the throttle valve fully and crank the engine
with the starter motor or kick lever for 7
阡
8 seconds
to test the compression.
Compression : 17±2kg/cm
²
If the compression is low, check for the following:
．
Leaky valves
．
Valve clearance too small
．
Leaking cylinder head gasket
．
Worn piston/cylinder
．
Worn piston rings
If the compression is high, it indicates that carbon
deposits have accumulated on the combustion
chamber and the piston head.
Screws
Air Cleaner
x
If the air cleaner is installed improperly, dust
may be sucked into the cylinder directly to
reduce the engine horse-power and affect
engine service life.
x
Pay attention to the installation direction
during reassembly.
＊
＊
Warm up the engine before compression test.
FR
RR