Yamaha NOUVO AT115 Owner's Manual page 37

To change the engine oil and clean
the oil strainer
1. Start the engine, warm it up for
several minutes, and then turn it
off.
2. Place an oil pan under the engine
to collect the used oil.
PERIODIC MAINTENANCE AND MINOR REPAIR
1. Engine oil drain bolt A
2. Engine oil drain bolt B
3. Remove the engine oil filler cap
and drain bolts to drain the oil from
the crankcase.
NOTE:
_
When only changing the engine oil, re-
move engine oil drain bolt A only.
_
6-10
1. Strainer
2. Compression spring
3. O-ring
CAUTION:
_
When removing the engine oil drain
bolt B, the O-ring, spring, and oil
strainer will fall out. Take care not to
lose these parts.
_
4. Clean the oil strainer with solvent,
and then check it for damage and
replace it if necessary.
5. Check the O-ring for damage and
replace it if necessary.
6. Install the oil strainer, spring, O-ring
and engine oil drain bolts, and then
tighten the drain bolts to the speci-
fied torque.
EC000070*
6