TT250Owner’s andServiceManual
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2
ChainDriveSystem.....................................................................................................................................26
ChainLubrication........................................................................................................................................26
ChainAdjustment.......................................................................................................................................26
SprocketandChainInspection...................................................................................................................29
ChainDriveTroubleshooting......................................................................................................................30
ClutchMaintenance....................................................................................................................................30
ClutchCableInstallationandAdjustment..................................................................................................30
ClutchReplacement....................................................................................................................................32
ClutchTroubleshooting...............................................................................................................................41
Suspension..................................................................................................................................................42
Forks...............................................................................................................................
.............................42
AdjustingRideHeight ..................................................................................................................................42
ChangingForkOil........................................................................................................................................43
ReplacingForkSealsandBushings.............................................................................................................48
SwingarmandRearSuspension..................................................................................................................50
SwingarmandRearSuspensionTroubleshooting......................................................................................53
SteeringSystem..........................................................................................................................................54
SteeringStemBearingAdjustment.............................................................................................................54
SteeringSystemTroubleshooting...............................................................................................................56
Wheelsand
Tires.........................................................................................................................................56
FrontWheelRemoval.................................................................................................................................56
RearWheelRemoval...................................................................................................................................59
WheelandTireInspection..........................................................................................................................62
WheelandTireTroubleshooting................................................................................................................62
FixingFlatTires...........................................................................................................................................62
Engine..........................................................................................................................................................65
OilChange...................................................................................................................................................65
SparkPlugRemovalandInstallation...........................................................................................................69
ValveAdjustment........................................................................................................................................69
Carburetor...................................................................................................................................................78
AirFilterReplacement................................................................................................................................89
ExhaustSystem...........................................................................................................................................91
EngineTroubleshooting..............................................................................................................................92
FuelSystem.................................................................................................................................................94
FuelSystemTroubleshooting.....................................................................................................................95
ControlCables.............................................................................................................................................96
ClutchandThrottleCableTroubleshooting................................................................................................96
ElectricalSystem.........................................................................................................................................96
Battery.......................................................................................................................................................104
LightingandTurnSignals..........................................................................................................................
106
ChargingSystem........................................................................................................................................109
StartingSystem.........................................................................................................................................113
ElectricalSystemTroubleshooting............................................................................................................118
ElectricalSchematic..................................................................................................................................120
AppendixA‐ServiceChecklists................................................................................................................121