15
EVERY 10 HOURS (MORE FREQUENTLY
IN DUSTY CONDITIONS)
1. Loosen the air cleaner cover retaining
screw, and remove the cover and filter
element.
2. Inspect the element. If the element is
distorted or damaged, replace it with a new
one.
3. Wash the element in clean fuel, and
squeeze or blow dry. Wash the air cleaner
cover in clean fuel, and wipe or blow dry.
4. Install the element and cover, and then
tighten the cover retaining screw.
EVERY 10/15 HOURS
1.
Use the spark plug wrench to remove
the spark plug (turn counter-clockwise to
remove).
2. Clean and adjust the spark plug gap
to 0.6-0.7mm. Replace any damaged or
visibly worn plug with a champion RCJ6Y or
equivalent.
3. Install the spark plug finger-tight in the
cylinder head, and then tighten it firmly with
the spark plug wrench. If a torque wrench is
available, torque the spark plug to 148-165
inch pounds.
CAUTION
Never allow dirt or debris to enter the
cylinder bore!
Before removing the spark plug ,
thoroughly clean the spark plug and
cylinder head area'
Allow the engine to cool before servicing
the spark plug!
Never tighten the cylinder or loosen the spark
plug while the engine is hot!
Incorrect spark plug installation can result
in serious engine damage.
EVERY 50 HOURS
(More frequently if you note reduced
performance)
INSPECTION Inspect the entire machine and
tubes for damage, including loose or missing
components, and repair as necessary.
SPARK PLUG Replace the spark plug
with a champion L9T(LO) , gapped to(
0.6-0.7)mm.
