YAMAHA YFZ450 2019 Owners Manual

YAMAHA YFZ450 2019 Owners Manual YFZ450 2019 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53809/w960_53809-0.png YAMAHA YFZ450 2019 Owners Manual
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YAMAHA YFZ450 2019  Owners Manual 8-8
8
EBU29431TIPSome maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy or
muddy areas, or at full-throttle.
 Replace the fuel hose every five years a

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YAMAHA YFZ450 2019  Owners Manual 8-9
8• Replace the brake hoses every four years and if cracked or damaged.
 UBW262E0.book  Page 9  Tuesday, April 3, 2018  10:59 AM

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YAMAHA YFZ450 2019  Owners Manual 8-10
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EBU30131Removing and installing the cowling 
and panelsThe cowling and panels shown need to be re-
moved to perform some of the maintenance jobs
described in this chapter. Refer to this section

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YAMAHA YFZ450 2019  Owners Manual 8-11
84. Remove the quick fasteners, and then slide
the panel backward and pull upward. 5. Install the fuel tank cap by turning it clock-
wise.
To install the panel
1. Remove the fuel tank cap by turn

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YAMAHA YFZ450 2019  Owners Manual 8-12
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Panels B and C
To remove a panel
1. Remove panel A.
2. Pull the panel off.
To install a panel1. Place the panel in the original position. 2. Install panel A.
Cowling
To remove the cowling
1. Re

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YAMAHA YFZ450 2019  Owners Manual 8-13
8To install the cowling
1. Place the cowling in the original position, and
then tighten the quick fasteners.
2. Install panels C, B and A.EBU29442Checking the spark plugThe spark plug is an impor

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YAMAHA YFZ450 2019  Owners Manual 8-14
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Before installing the spark plug, the spark plug
gap should be measured with a wire thickness
gauge and, if necessary, adjusted to specification.
Clean the surface of the spark plug gasket and

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YAMAHA YFZ450 2019  Owners Manual 8-15
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TIPTo achieve the proper engine oil temperature for
an accurate oil level reading, the engine must have
first completely cooled down, and then warmed
up again for several minutes to normal oper

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YAMAHA YFZ450 2019  Owners Manual 8-16
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TIPWhen adding oil, be careful not to overfill the en-
gine oil tank; the oil level rises faster starting from
the half-level mark on the dipstick. 6. Check the O-ring for damage, and replace i

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YAMAHA YFZ450 2019  Owners Manual 8-17
86. Remove the crankcase engine oil drain bolt
and its gasket.
TIPSkip steps 7–10 if the oil filter element is not being
replaced. 7. Remove the oil filter element cover by remov-ing the bolts.
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