7-8 ENGINE LUBRICATION SYSTEM
Engine Oil and Oil Filter
Vehicle operation with insufficient, deteriorated,
or contaminated engine oil will cause accelerated
wear and may result in engine seizure, accident,
and injury. Check the oil level before each use and
change the oil and filter according to the periodic
The engine oil level indicated in the oil inspection window
gauge is very sensitive to the motorcycle's position and en-
gine rpm at time of shut down. Because of the semi-dry
sump lubrication system with separate oil chambers in the
crank room and transmission room, under certain condi-
tions oil can accumulate in the crank room and give a false
low reading at the oil level inspection window, which indi-
cates oil volume in the transmission room.
Engine Oil Level Inspection
Situate the motorcycle so that it is vertical.
Check that the engine oil level is between the upper [A]
and lower [B] levels in the oil level inspection window.
If the motorcycle has just been used, wait several min-
utes for all the oil to drain down.
If no oil appears in the oil level inspection window, tip the
motorcycle slightly to the right until oil is visible then re-
turn to an upright position. If no oil appears even when
tipped at an extreme angle, remove the drain bolt to
empty any oil, reinstall the drain bolt and refill with the
specified amount of oil.
If the oil has just been changed, start the engine and
run it for several minutes at idle speed. This fills the oil
filter with oil.
Do not run the engine at high engine speed. Stop the
engine, then wait several minutes until the oil settles.
Racing the engine before the oil reaches every part
can cause engine seizure.
If the oil level is too high, remove the excess oil through
the filler opening, using a syringe or some other suitable
If the oil level is too low, add the correct amount of oil
through the oil filler opening. Use the same type and
make of oil that is already in the engine.
If the engine oil type and make are unknown, use any
brand of the specified oil to top off the level rather than
running the engine with the oil level low. Then at your
earliest convenience, change the oil completely.
Engine Oil Change
Refer to the Engine Oil Change in the Periodic Mainte-