KTM 125 SX EU 2015 - Carburetor Tuning (125 SX EU, 125 SX US)

KTM 125 SX EU 2015

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21 TECHNICAL DATA 104

21.3.3 Carburetor tuning (125 SX EU, 125 SX US)

401762-01

M/FT ASL Sea level

TEMP Temperature

ASO Idle air adjusting screw open

IJ Idling jet

NDL Needle

POS Needle position from above

MJ Main jet

Info

Not for sandy surfaces

Table of Contents

Default Chapter4
- Table of Contents4
1 Means of Representation7
- Symbols Used7
- Formats Used7
2 Safety Advice8
- Use Definition - Intended Use8
- Degrees of Risk and Symbols8
- Tampering Warning8
- Safe Operation9
- Protective Clothing9
- Work Rules9
- Environment9
- Owner's Manual9
3 Important Information10
- Guarantee, Warranty10
- Operating and Auxiliary Substances10
- Spare Parts, Accessories10
- Service10
- Figures10
- Customer Service10
4 View of Vehicle11
- View of the Vehicle from the Left Front (Example)11
- View of Vehicle, Rear Right (Example)12
5 Serial Numbers13
- Chassis Number13
- Type Label13
- Engine Number13
- Fork Part Number13
- Shock Absorber Part Number13
6 Controls14
- Clutch Lever14
- Hand Brake Lever14
- Throttle Grip14
- Kill Switch14
- Electric Starter Button (All XC Models)15
- Opening the Filler Cap15
- Closing the Filler Cap16
- Fuel Tap (All SX Models)16
- Fuel Tap (All XC Models)17
- Choke17
- Shift Lever17
- Kick Starter18
- Foot Brake Lever18
- Plug-In Stand (All SX Models)18
- Side Stand (All XC Models)18
7 Preparing for Use20
- Advice on First Use20
- Running in the Engine21
- Preparing the Vehicle for Difficult Riding Conditions21
- Preparations for Riding on Dry Sand21
- Preparations for Riding on Wet Sand22
- Preparations for Riding on Wet and Muddy Surfaces23
- Preparations for Riding at High Temperatures and Low Speeds23
- Preparing for Riding at Low Temperatures or in Snow24
8 Riding Instructions25
- Checks and Maintenance Work When Preparing for Use25
- Starting25
- Starting off26
- Shifting, Riding26
- Braking26
- Stopping, Parking27
- Transport27
- Refueling28
9 Service Schedule29
- All SX Models29
- Service Work (as Additional Order)30
- All XC Models30
- Service Schedule30
- Service Work (as Additional Order)31
10 Tuning the Chassis32
- Checking the Basic Chassis Setting with the Rider's Weight32
- Compression Damping of Shock Absorber32
- Adjusting the Low-Speed Compression Damping of the Shock Absorber32
- Adjusting the High-Speed Compression Damping of the Shock Absorber33
- Adjusting the Rebound Damping of the Shock Absorber34
- Measuring the Sag of the Unloaded Rear Wheel35
- Checking the Static Sag of the Shock Absorber35
- Checking the Riding Sag of the Shock Absorber35
- Adjusting the Spring Preload of the Shock Absorber36
- Adjusting the Riding Sag36
- Checking the Basic Setting of the Fork37
- Adjusting the Compression Damping of the Fork38
- Adjusting the Rebound Damping of the Fork39
- Handlebar Position40
- Adjusting the Handlebar Position40
11 Service Work on the Chassis41
- Raising the Motorcycle with the Lift Stand41
- Removing the Motorcycle from the Lift Stand41
- Bleeding the Fork Legs41
- Cleaning the Dust Boots of the Fork Legs42
- Removing the Fork Legs42
- Installing the Fork Legs43
- Removing the Fork Protector43
- Installing the Fork Protector43
- Removing the Lower Triple Clamp44
- Installing the Lower Triple Clamp44
- Checking the Play of the Steering Head Bearing46
- Adjusting the Play of the Steering Head Bearing47
- Greasing the Steering Head Bearing47
- Removing the Start Number Plate47
- Installing the Start Number Plate48
- Removing the Front Fender48
- Installing the Front Fender48
- Removing the Shock Absorber49
- Installing the Shock Absorber49
- Removing the Seat50
- Mounting the Seat50
- Removing the Air Filter Box Lid50
- Installing the Air Filter Box Lid51
- Removing the Air Filter51
- Cleaning the Air Filter and Air Filter Box51
- Installing the Air Filter52
- Securing the Air Filter Box Lid52
- Sealing the Air Filter Box53
- Removing the Main Silencer53
- Installing the Main Silencer53
- Changing the Glass Fiber Yarn Filling of the Main Silencer53
- Removing the Fuel Tank54
- Installing the Fuel Tank55
- Checking the Chain for Dirt56
- Cleaning the Chain56
- Checking the Chain Tension57
- Adjusting the Chain Tension57
- Checking the Chain, Rear Sprocket, Engine Sprocket and Chain Guide58
- Checking the Frame59
- Checking the Swingarm60
- Checking the Routing of the Throttle Cable60
- Checking the Rubber Grip61
- Additionally Securing the Rubber Grip61
- Adjusting the Basic Position of the Clutch Lever61
- Checking/Correcting the Fluid Level of the Hydraulic Clutch62
- Changing the Hydraulic Clutch Fluid63
12 Brake System65
- Checking the Free Travel of the Hand Brake Lever65
- Adjusting the Basic Position of the Hand Brake Lever65
- Checking the Brake Discs65
- Checking the Front Brake Fluid Level66
- Adding Front Brake Fluid66
- Checking the Front Brake Linings67
- Changing the Front Brake Linings67
- Checking the Free Travel of Foot Brake Lever69
- Adjusting the Basic Position of the Foot Brake Lever69
- Checking the Rear Brake Fluid Level70
- Adding Brake Fluid for the Rear Brake70
- Checking the Rear Brake Linings71
- Changing the Rear Brake Linings71
13 Wheels, Tires73
- Removing the Front Wheel73
- Installing the Front Wheel73
- Removing the Rear Wheel74
- Installing the Rear Wheel75
- Checking the Tire Condition75
- Checking the Tire Air Pressure76
- Checking the Spoke Tension76
14 Electrical System78
- Removing the Battery (All XC Models)78
- Installing the Battery (All XC Models)78
- Recharging the Battery (All XC Models)79
- Changing the Main Fuse (All XC Models)80
15 Cooling System81
- Radiator Cover (All SX Models)81
- Installing the Radiator Cover (All SX Models)81
- Removing the Radiator Cover (All SX Models)82
- Checking the Antifreeze and Coolant Level82
- Checking the Coolant Level83
- Draining the Coolant83
- Refilling with Coolant84
16 Tuning the Engine85
- Checking the Play in the Throttle Cable85
- Adjusting the Play in the Throttle Cable85
- Carburetor - Idle86
- Carburetor - Adjusting the Idle Speed86
- Emptying the Carburetor Float Chamber87
- Plug-In Connection, Ignition Timing Map88
- Changing the Ignition Curve88
- Checking the Basic Position of the Shift Lever88
- Adjusting the Basic Position of the Shift Lever89
- Engine Characteristic - Auxiliary Spring (All 250/300 Models)89
- Engine Characteristic - Set the Auxiliary Spring (All 250/300 Models)89
17 Service Work on the Engine91
- Checking the Gear Oil Level91
- Changing the Gear Oil91
- Draining the Gear Oil92
- Refilling with Gear Oil92
- Adding Gear Oil93
18 Cleaning, Care95
- Cleaning the Motorcycle95
19 Storage96
- Preparing for Use after Storage96
20 Troubleshooting97
21 Technical Data99
- Engine99
- Sx Eu, 125 Sx Us99
- Sx Eu, 150 Sx Us99
- Sx Eu, 250 Sx Us100
- XC Eu/Us100
- XC Eu/Us101
- Engine Tightening Torques102
- 125/150 Sx102
- 250 Sx Eu, 250 Sx Us103
- All XC Models103
- Carburetor105
- Sx Eu, 125 Sx Us105
- Carburetor - Basic Setting for Sandy Surfaces (125 SX EU, 125 SX US)105
- Surfaces (125 SX EU, 125 SX US)105
- Carburetor Tuning (125 SX EU, 125 SX US)106
- Sx Eu, 150 Sx Us107
- Carburetor - Basic Setting for Sandy Surfaces (150 SX EU, 150 SX US)107
- Carburetor Tuning (150 SX EU, 150 SX US)108
- Sx Eu, 250 Sx Us109
- Carburetor - Basic Setting for Sandy Surfaces (250 SX EU, 250 SX US)109
- Carburetor Tuning (250 SX EU, 250 SX US)110
- 21.3.10 250 XC Eu/Us111
- Carburetor Tuning (250 XC EU/US)111
- 21.3.12 300 XC Eu/Us113
- Carburetor Tuning (300 XC EU/US)113
- Capacities114
- Gear Oil114
- Coolant114
- Fuel114
- Chassis114
- Electrical System115
- Tires115
- Fork115
- Sx Eu, 150 Sx Eu115
- Sx Us, 150 Sx Us116
- Sx Eu116
- Sx Us116
- All XC Models117
- Shock Absorber117
- 125/150 Sx117
- Sx Eu118
- Sx Us118
- All XC Models119
- Chassis Tightening Torques119
22 Substances121
23 Auxiliary Substances123
24 Standards125
- Index126

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