Yamaha TT-R125(S) 2003 Owner's Service Manual

1 - 14GENINFO5. Run the engine at idle or slightly higheruntil it warms up: this usually takes aboutone or two minutes.6. The engine is warmed up when itresponds normally to the throttle with thestarter knob (CHOKE) turned off.NOTE:If the engine fails to start by pushing the startswitch, release the switch, wait a few seconds,and then try again. Each starting attemptshould be as short as possible to preserve thebattery. Do not crank the engine more than10 seconds on any one attempt. If the enginedoes not start with the starter motor, try usingthe kickstarter.CAUTION:Do not warm up the engine for extendedperiods.EC193001STARTING A WARM ENGINEDo not operate the starter knob (CHOKE).Open the throttle slightly and start the engine bykicking the kickstater forcefully with firm stroke.CAUTION:Observe the following break-in proceduresduring initial operation to ensure optimumperformance and avoid engine damage.BREAK-INBreak-in is important to better fit the movingand sliding parts as well as the installed parts.It is also important to accustom the rider to themachine better.Avoid full-throttle run on a new machine for thefirst 5 hours.After the trial run, check for loose parts, oilleakage and other problems.Make full inspection and adjustment especiallyof slack cables and drive chain and loosespokes.CAUTION:After the break-in or before each ride, youmust check the entire machine for loose fit-tings and fasteners as per “TORQUE-CHECK POINTS”.Tighten all such fasteners as required.STARTING AND BREAK-IN