Yamaha PZ50RTZ Owner's Manual page 64

Periodic maintenance and adjustment
9. Install the right side cover (PZ50RT /
PZ50GT / PZ50MT), or install the right
side cover and the right upper cover, and
then close the shroud (PZ50VT).
To change the engine oil (without oil filter car-
tridge replacement)
1. Place the snowmobile on a level surface
and apply the parking brake.
2. Start the engine, warm it up for several
minutes, and then turn it off.
3. Remove the right side cover (PZ50RT /
PZ50GT / PZ50MT), or open the shroud
and remove the right upper cover and the
right side cover (PZ50VT). (See page 48
for removal procedure.)
4. Remove the bottom panel and the right
lower cover.
1. Bottom panel
1. Right lower cover
5. Place an oil pan under the oil tank to col-
lect the used oil.
6. Disconnect the oil level gauge coupler.
58
1. Oil level gauge coupler
2. Oil filler cap
7. Remove the oil filler cap and drain bolt to
drain the oil from the oil tank.
1. Engine oil drain bolt (oil tank)
8. Place an oil pan under the engine to col-
lect the used oil.
9. Remove the engine oil drain bolt to drain
the oil from the crankcase.
1. Engine oil drain bolt (crankcase)