2017 YAMAHA YFM90 engine

[x] Cancel search: engine

Page 94 of 130

YAMAHA YFM90 2017  Owners Manual 8-12
8
TIPThe engine oil should be between the minimum
and maximum level marks. 5. If the engine oil is at or below the minimumlevel mark, add sufficient oil of the recom-
mended type to raise it to t

Page 95 of 130

YAMAHA YFM90 2017  Owners Manual 8-13
8
5. Clean the oil strainer with solvent.
6. Apply a thin coat of clean engine oil to a new
O-ring.
7. Install the oil strainer, the compression spring, the new O-ring and the engine oil
drain bo

Page 96 of 130

YAMAHA YFM90 2017  Owners Manual 8-14
89. Start the engine, and then let it idle for several
minutes while checking it for oil leakage. If oil
is leaking, immediately turn the engine off and
check for the cause.
10. Turn the engine o

Page 98 of 130

YAMAHA YFM90 2017  Owners Manual 8-16
81. Park the ATV on a level surface.
2. Remove the seat. (See page 4-12.)
3. Remove the air filter case cover by unhooking
the air filter case cover holders. 4. Remove the air filter element, and

Page 99 of 130

YAMAHA YFM90 2017  Owners Manual 8-17
8
5. Squeeze the excess solvent out of the air filter
element and let it dry. NOTICE:  Do not twist
the air filter element when squeezing it.
[ECB02310]
6. Check the air filter element and replac

Page 100 of 130

YAMAHA YFM90 2017  Owners Manual 8-18
8ment removed. This will allow unfiltered air
to enter the engine, causing rapid engine
wear and possible engine damage. Addi-
tionally, operation without the air filter ele-
ment will affect car

Page 101 of 130

YAMAHA YFM90 2017  Owners Manual 8-19
8
3. Tap the spark arrester lightly, and then use a
wire brush to remove any carbon deposits.
4. Insert the spark arrester into the muffler and align the bolt hole.
5. Install the tailpipe bolt a

Page 102 of 130

YAMAHA YFM90 2017  Owners Manual 8-20
8
TIPThe engine is warm when it quickly responds to
the throttle. 2. Attach the tachometer to the spark plug lead.
3. Check the engine idling speed and, if neces-sary, adjust it to specification
Page:   < prev 1-10 ... 9-16 17-24 25-32 33-40 41-48 49-56 next >