Yamaha YZF-R125 Owners Manual: Starting the engine
In order for the ignition circuit cut-off system to enable starting, one of the following conditions must be met:
- The transmission is in the neutral position.
- The transmission is in gear with the clutch lever pulled and the sidestand up.
1. Turn the key to "ON" and make
sure that the engine stop switch is
set to"
".
The following warning lights and indicator light should come on for a few seconds, then go off.
- Neutral indicator light
- Turn signal indicator light
- High beam indicator light
- Coolant temperature warning light
- Engine trouble warning light
NOTICE
If a warning or indicator light does
not go off, see page 3-2 for the corresponding
warning and indicator
light circuit check.
- Shift the transmission into the neutral position. (See page 5-2.) The neutral indicator light should come on. If not, ask a Yamaha dealer to check the electrical circuit.
- Start the engine by pushing the
start switch. NOTICE: For maximum
engine life, never accelerate
hard when the engine is
cold!
If the engine fails to start, release the start switch, wait a few seconds, and then try again. Each starting attempt should be as short as possible to preserve the battery. Do not crank the engine more than 10 seconds on any one attempt.
Operation and important riding points
Read the Owner's Manual carefully to
become familiar with all controls. If
there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
Failure to familiarize yoursel ...
Shifting
Shifting
Shift pedal
Neutral position
Shifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing hills,
etc.
The gear positions a ...
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 ...
Disassembling the front wheel
1. Remove:
Oil seal
Wheel bearings
a. Clean the surface of the front wheel hub.
b. Remove the oil seal "1" with a flat-head
screwdriver.
NOTE:
To prevent damaging the wheel, place a rag "2"
between the screwdriver and the wheel surface.
c. Remove the wheel bearings "3" with a ge ...
Aftermarket Parts, Accessories, and Modifications
While you may find aftermarket products
similar in design and quality to
genuine Yamaha accessories, recognize
that some aftermarket accessories
or modifications are not suitable because
of potential safety hazards to you
or others. Installing aftermarket products
or having other modif ...