2017 YAMAHA YZF-R125 Owners Manual

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6
EAU18732
Removing and installing the 
cowlings and panel
The cowlings and panel shown need to
be removed to perform some of the
maintenance jobs described in

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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62. Fit the projection on the cowling
into the slot, and then slide the
cowling backward.
3. Install the screws.
4. Install cowling A and panel A.
Cowling C
To

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6 To install the panel
1. Place the panel in the original po-
sition, and then install the screws.
2. Install the rider seat.
EAU19633
Checking the spark plug
T

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6To check the spark plug
1. Check that the porcelain insulator
around the center electrode of the
spark plug is a medium-to-light
tan (the ideal color when the

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6
EAUM3491
Engine oil and oil filter ele-
ment
The engine oil level should be checked
before each ride. In addition, the oil
must be changed and the oil filter

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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64. Place an oil pan under the engine
to collect the used oil.
5. Remove the engine oil filler cap
and the drain bolt along with the
O-ring, compression spring

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6 NOTICE: Before installing the
engine oil drain bolt, do not for-
get to install the O-ring, com-
pression spring, and oil strainer
in position.
 [ECA10422]
1

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YAMAHA YZF-R125 2017  Owners Manual Periodic maintenance and adjustment
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6
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Coolant
The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic