KTM 150 SX 2021

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PREPARING FOR USE 7

M01107-01

– Adjust the carburetor jetting and setting.

Info

Your authorized KTM workshop can recommend the

right carburetor tuning.

Main Page

Table of Contents4
Means of Representation 17
Symbols Used7
Formats Used7
Safety Advice8
Use Definition - Intended Use8
Misuse8
Degrees of Risk and Symbols9
Tampering Warning9
Safe Operation9
Protective Clothing10
Work Rules10
Environment10
Owner's Manual11
Important Notes12
Manufacturer Warranty, Implied Warranty12
Fuel, Auxiliary Substances12
Spare Parts, Accessories12
Service12
Figures12
Customer Service12
View of Vehicle 413
View of Vehicle, Front Left (Example)13
View of Vehicle, Rear Right (Example)14
Serial Numbers 515
Vehicle Identification Number15
Type Label15
Engine Number15
Fork Part Number15
Shock Absorber Article Number16
Controls 617
Clutch Lever17
Hand Brake Lever17
Throttle Grip17
Switch-Off Button17
Start Button (125 XC US)18
Service Hour Counter18
Opening the Fuel Tank Filler Cap18
Closing the Fuel Tank Filler Cap19
Fuel Tap (All SX Models)20
Fuel Tap (125 XC US)20
Choke21
Shift Lever21
Kick Starter Lever22
Foot Brake Lever22
Plug-In Stand (All SX Models)22
Side Stand (125 XC US)22
Preparing for Use24
Advice on Preparing for First Use24
Running in the Engine25
Starting Power of Lithium-Ion Batteries at Low Temperatures (125 XC US)25
Preparing the Vehicle for Difficult Operating Conditions26
Preparing the Vehicle for Riding on Dry Sand26
Preparing the Vehicle for Riding on Wet Sand28
Preparing the Vehicle for Riding on Wet and Muddy Circuits29
Preparing Vehicle for High Temperatures or Slow Riding30
Preparing the Vehicle for Low Temperatures or Snow30
Riding Instructions32
Checks and Maintenance Measures When Preparing for Use32
Starting32
Starting off33
Shifting, Riding34
Applying the Brakes34
Stopping, Parking35
Transporting35
Refueling36
Service Schedule38
Additional Information38
Required Work38
Recommended Work39
10 Tuning the Chassis40
Checking the Basic Chassis Setting with Rider's Weight40
Air Suspension XACT 544840
Compression Damping of the Shock Absorber41
Adjusting the Low-Speed Compression Damping of the Shock Absorber41
Adjusting the High-Speed Compression Damping of the Shock Absorber42
Adjusting the Rebound Damping of the Shock Absorber42
Measuring the Rear Wheel Dimension Unloaded43
Checking the Static Sag of the Shock Absorber44
Checking the Riding Sag of the Shock Absorber44
Adjusting the Spring Preload of the Shock Absorber45
Adjusting the Riding Sag46
Checking the Basic Setting of the Fork46
Adjusting the Fork Air Pressure47
Adjusting the Compression Damping of the Fork48
Adjusting the Rebound Damping of the Fork48
Handlebar Position49
Adjusting the Handlebar Position49
Service Work on the Chassis 1151
Raising the Motorcycle with a Lift Stand51
Removing the Motorcycle from the Lift Stand51
Bleeding the Fork Legs52
Cleaning the Dust Boots of the Fork Legs52
Removing the Fork Legs53
Installing the Fork Legs53
Removing the Fork Protector54
Installing the Fork Protector54
Removing the Lower Triple Clamp54
Installing the Lower Triple Clamp55
Checking Steering Head Bearing Play57
Adjusting Steering Head Bearing Play58
Lubricating the Steering Head Bearing58
Removing the Start Number Plate59
Installing the Start Number Plate59
Removing Front Fender59
Installing Front Fender59
Removing the Shock Absorber60
Installing the Shock Absorber61
Removing the Seat63
Mounting the Seat63
Removing the Air Filter Box Cover64
Installing the Air Filter Box Cover65
Removing the Air Filter65
Cleaning the Air Filter and Air Filter Box66
Installing the Air Filter67
Preparing Air Filter Box Cover for Securing67
Removing the Main Silencer67
Installing the Main Silencer68
Changing the Glass Fiber Yarn Filling in the Main Silencer68
Removing the Fuel Tank69
Installing the Fuel Tank70
Checking the Chain for Dirt71
Cleaning the Chain72
Checking the Chain Tension72
Adjusting the Chain Tension73
Checking the Chain, Rear Sprocket, Engine Sprocket, and Chain Guide74
Checking the Frame77
Checking the Link Fork77
Checking Throttle Cable Routing77
Checking the Rubber Grip78
Adjusting the Basic Position of the Clutch Lever79
Checking/Correcting the Fluid Level of the Hydraulic Clutch79
Changing the Hydraulic Clutch Fluid80
12 Brake System82
Checking the Free Travel of the Hand Brake Lever82
Adjusting the Basic Position of the Hand Brake Lever82
Checking the Brake Discs82
Checking the Front Brake Fluid Level83
Adding Front Brake Fluid84
Checking the Front Brake Linings85
Changing the Front Brake Linings85
Checking the Free Travel of Foot Brake Lever88
Adjusting the Basic Position of the Foot Brake Lever88
Checking the Rear Brake Fluid Level89
Adding Rear Brake Fluid89
Checking the Brake Linings of the Rear Brake91
Changing the Rear Brake Linings91
13 Wheels, Tires94
Removing the Front Wheel94
Installing the Front Wheel95
Removing the Rear Wheel95
Installing the Rear Wheel96
Checking the Tire Condition98
Checking Tire Pressure98
Checking Spoke Tension99
14 Electrical System100
Removing the 12-V Battery (125 XC US)100
Installing the 12 V Battery (125 XC US)100
Charging the 12-V Battery (125 XC US)101
Changing Main Fuse (125 XC US)102
15 Cooling System104
Radiator Cover104
Installing the Radiator Cover104
Removing the Radiator Cover105
Checking the Antifreeze and Coolant Level105
Checking the Coolant Level106
Draining the Coolant107
Refilling with Coolant108
Changing the Coolant109
Tuning the Engine 16111
Checking Throttle Cable Play111
Adjusting Throttle Cable Play111
Carburetor Tuning112
Carburetor - Idle Setting114
Carburetor - Adjusting the Idle Speed115
Plug-In Connector of Ignition Timing Map Adjustment116
Changing the Ignition Timing Map116
Checking the Basic Position of the Shift Lever116
Adjusting the Basic Position of the Shift Lever117
17 Service Work on the Engine118
Emptying the Carburetor Float Chamber118
Checking the Gear Oil Level119
Changing the Gear Oil119
Adding the Gear Oil120
18 Cleaning, Care122
Cleaning the Motorcycle122
19 Storage124
Preparing for Use after Storage125
20 Troubleshooting126
21 Technical Data128
Engine128
All 125 Models128
Engine Tightening Torques129
Carburetor131
Carburetor Tuning (125 SX)131
Carburetor - Basic Setting for Sandy Surfaces (All 125 Models)132
Carburetor Tuning (150 SX)133
Basic Carburetor Setting for Sandy Surfaces (150 SX)134
125 XC Us135
Carburetor Tuning (125 XC US)135
Carburetor - Basic Setting for Sandy Surfaces (All 125 Models)136
Capacities137
Gear Oil137
Coolant137
Fuel137
Chassis137
Electrical System138
Tires138
Fork138
All SX Models138
XC Us139
Shock Absorber139
All SX Models139
XC Us140
Chassis Tightening Torques141
Substances 22143
Auxiliary Substances 23145
Standards 24147
25 List of Abbreviations148
Index149

KTM 150 SX 2021 - Page 31

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