Yamaha YZF-R125 Owners Manual: Handlebar switches

Left


Left

1. Pass switch "PASS" 2. Dimmer switch "/"
3. Turn signal switch "/"
4. Horn switch""


Right


Right

  1. Engine stop switch "/"

  2. Start switch""

Pass switch "PASS"

Press this switch to flash the headlight.

Dimmer switch "/"


Set this switch to""
for the high beam and to""
for the low beam.

Turn signal switch "

/"


To signal a right-hand turn, push this switch to"".
To signal a left-hand turn, push this switch to"".
When released, the switch returns to the center position. To cancel the turn signal lights, push the switch in after it has returned to the center position.

Horn switch"

"


Press this switch to sound the horn.

Engine stop switch "/"


Set this switch to"

"
before starting the engine. Set this switch to"

"
to stop the engine in case of an emergency, such as when the vehicle overturns or when the throttle cable is stuck.

Start switch"

"


Push this switch to crank the engine with the starter. See page 5-1 for starting instructions prior to starting the engine.

    Multi-function display
    Multi-function display Multi-function display "RESET/SELECT" button WARNING Be sure to stop the vehicle before making any setting changes to the multi-function display. Changing s ...

    Clutch lever
    Clutch lever Clutch lever The clutch lever is located at the left handlebar grip. To disengage the clutch, pull the lever toward the handlebar grip. To engage the clutch, release th ...

    Other materials:

    Checking the cylinder head
    1. Eliminate: Combustion chamber carbon deposits (with a rounded scraper) NOTE: Do not use a sharp instrument to avoid damaging or scratching: Spark plug bore threads Valve seats 2. Check: Cylinder head Damage/scratches   Replace. Cylinder head water jacket Min ...

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

    Checking the cylinder and piston
    1. Check: Piston wall Cylinder wall Vertical scratches Replace the cylinder, and replace the piston and piston rings as a set. 2. Measure: Piston-to-cylinder clearance a. Measure cylinder bore "C" with the cylinder bore gauge. NOTE: Measure cylinder bore "C" by takin ...

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