Suzuki UG110 2021, Руководство по обслуживанию, Страница: 18 / 198

PERIODIC MAINTENANCE 2-5
SPARK PLUG
Replace every 6 000 km (6 months).
• Remove the left and right side leg shields. (
7
5-4)
• Remove the lower leg shield. (
7
5-5)
• Disconnect the spark plug cap and remove the spark plug.
NGK DENSO Remarks
BPR6HS W20FPR
If the standard spark plug is apt
to get wet, replace with this plug.
BPR7HS W22FPR Standard
BPR8HS W24FPR
If the standard spark plug is apt to
overheat, replace with this plug.
CARBON DEPOSIT
Check for carbon deposits on the spark plug. If any carbon is
deposited on the spark plug, remove it using a spark plug cleaner
machine or carefully use a tool with a pointed end.
SPARK PLUG GAP
Use a thickness gauge to measure the spark plug gap. If out of
specification, adjust the gap.
4
Spark plug gap
Standard: 0.6 – 0.7 mm
2
09900-20804: Thickness gauge
ELECTRODES
Check the condition of the electrodes.
If the electrode is extremely worn or burnt, replace the spark
plug with a new one.
Also, replace the spark plug if it has a broken insulator, damaged
threads, etc.
5
Check the tread size and reach when replacing the spark
plug. If the reach is too short, carbon will be deposited
on the screw portion of the spark plug hole and engine
damage may result.
SPARK PLUG INSTALLATION
5
To avoid damaging the cylinder head threads; first, fin-
ger tighten the spark plug, and then tighten it to the speci-
fied torque using the spark plug wrench.
• Insert the spark plug and finger tighten it to the cylinder head
and then tighten it to the specified torque.
"
Spark plug: 28 N.m (2.8 kgf.m)