KTM 50 SX 2020 User Manual

141 pages

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OWNER'S MANUAL 2020

50 SX

50 SX Mini

Art. no. 3213996en

Default Chapter4
- Table of Contents4
1 Means of Representation 17
- Symbols Used7
- Formats Used7
2 Safety Advice8
- Use Definition - Intended Use8
- Misuse8
- Degrees of Risk and Symbols8
- Tampering Warning9
- Safe Operation9
- Protective Clothing10
- Work Rules10
- Environment10
- Owner's Manual10
3 Important Notes12
- Manufacturer and Implied Warranty12
- Fuel, Auxiliary Substances12
- Spare Parts, Accessories12
- Service12
- Figures12
- Customer Service12
4 View of Vehicle 413
- View of Vehicle, Front Left (Example)13
- View of Vehicle, Rear Right (Example)14
5 Serial Numbers 515
- Vehicle Identification Number15
- Type Label15
- Engine Number15
- Fork Part Number16
- Shock Absorber Article Number16
6 Controls 617
- Hand Brake Lever17
- Throttle Grip17
- Kill Switch17
- Opening the Fuel Tank Filler Cap17
- Closing the Fuel Tank Filler Cap18
- Opening Oil Tank Cap (50 SX Mini)18
- Closing Oil Tank Cap (50 SX Mini)19
- Fuel Tap19
- Choke (50 SX)19
- Choke (50 SX Mini)19
- Kick Starter Lever20
- Foot Brake Lever20
- Plug-In Stand20
- Service Hour Counter20
7 Preparing for Use 721
- Advice on Preparing for First Use21
- Running in the Engine23
8 Riding Instructions24
- Checks and Maintenance Measures When Preparing for Use24
- Starting the Vehicle24
- Starting off25
- Riding25
- Applying the Brakes26
- Stopping, Parking26
- Transporting27
- Refueling27
- Filling up with Oil (50 SX Mini)28
9 Service Schedule 929
- Additional Information29
- Required Work29
- Recommended Work30
10 Tuning the Chassis 1031
- Checking the Basic Chassis Setting with Rider's Weight31
- Air Suspension XACT 5235 (50 SX)31
- Compression Damping of the Shock Absorber (50 SX)32
- Adjusting the Low-Speed Compression Damping of the Shock Absorber (50 SX)32
- Adjusting the High-Speed Compression Damping of the Shock Absorber (50 SX)33
- Adjusting the Rebound Damping of the Shock Absorber33
- Measuring the Rear Wheel Dimension Unloaded35
- Checking the Static Sag of the Shock Absorber35
- Checking the Riding Sag of the Shock Absorber36
- Adjusting the Spring Preload of the Shock Absorber36
- Adjusting the Riding Sag38
- Checking the Basic Setting of the Fork39
- Adjusting the Fork Air Pressure (50 SX)39
- Adjusting the Rebound Damping of the Fork (50 SX)40
- Handlebar Position41
- Adjusting the Handlebar Position41
- Adjusting the Seat Height42
11 Service Work on the Chassis 1143
- Raising the Motorcycle with a Lift Stand43
- Removing the Motorcycle from the Lift Stand43
- Bleeding the Fork Legs43
- Cleaning the Dust Boots of the Fork Legs44
- Removing the Fork Protector45
- Installing the Fork Protector45
- Removing the Fork Legs46
- Installing the Fork Legs46
- Removing the Lower Triple Clamp48
- Installing the Lower Triple Clamp48
- Checking the Steering Head Bearing Play51
- Adjusting the Steering Head Bearing Play52
- Greasing the Steering Head Bearing53
- Removing the Fuel Tank53
- Installing the Fuel Tank54
- Removing the Start Number Plate55
- Installing the Start Number Plate55
- Removing Front Fender56
- Installing Front Fender56
- Removing the Shock Absorber56
- Installing the Shock Absorber57
- Removing the Seat58
- Mounting the Seat59
- Removing the Air Filter59
- Installing the Air Filter60
- Cleaning the Air Filter and Air Filter Box60
- Removing the Main Silencer61
- Installing the Main Silencer61
- Changing the Glass Fiber Yarn Filling of the Main Silencer61
- Removing the Engine Sprocket Cover62
- Installing the Engine Sprocket Cover63
- Checking the Chain for Dirt63
- Cleaning the Chain64
- Checking the Chain Tension64
- Adjusting the Chain Tension65
- Checking the Chain, Rear Sprocket, Engine Sprocket, and Chain Guide67
- Adjusting the Chain Guide70
- Checking the Frame71
- Checking the Link Fork71
- Checking the Throttle Cable Routing71
- Checking the Rubber Grip72
- Additionally Securing the Rubber Grip72
12 Brake System 1273
- Checking Play of Handbrake Lever73
13 Wheels, Tires 1389
- Removing the Front Wheel89
- Installing the Front Wheel89
- Removing the Rear Wheel90
- Installing the Rear Wheel92
- Checking the Tire Condition93
- Checking Tire Pressure94
- Checking Spoke Tension95
14 Cooling System96
- Checking the Antifreeze and Coolant Level96
- Checking the Coolant Level97
- Draining the Coolant97
- Refilling with Coolant98
15 Tuning the Engine100
- Checking the Installation Position of the Throttle Grip100
- Checking Throttle Cable Play100
- Adjusting the Throttle Cable Play101
- Carburetor - Idle Setting (50 SX)101
- Carburetor - Idle Setting102
- Carburetor - Adjusting the Idle Speed (50 SX)102
- (50 SX Mini)103
- Carburetor - Adjusting the Idle Speed (50 SX Mini)103
- Checking the Clutch Setting104
- Removing the Clutch Cover105
- Adjusting the Clutch105
- Installing the Clutch Cover106
16 Service Work on the Engine 16107
- Checking Oil Level (50 SX Mini)107
- Bleeding the Oil Pump (50 SX Mini)107
- Checking the Gear Oil Level108
- Changing the Gear Oil109
- Adding the Gear Oil110
17 Carburetor112
- Removing the Carburetor (50 SX Mini)112
- Removing the Carburetor (50 SX)113
- Installing the Carburetor (50 SX Mini)115
- Installing the Carburetor (50 SX)116
18 Cleaning, Care118
- Cleaning the Motorcycle118
19 Storage120
- Preparing for Use after Storage121
20 Troubleshooting122
21 Technical Data 21125
- Engine125
- Engine Tightening Torques125
- Carburetor with Carburetor Tuning126
- 50 SX Mini126
- Capacities127
- Gear Oil127
- Coolant127
- Fuel127
- Chassis127
- Tires128
- Fork128
- SX Mini128
- Shock Absorber129
- SX Mini129
- Chassis Tightening Torques130
22 Substances132
23 Auxiliary Substances134
24 Standards136
25 List of Abbreviations 25137
- Index138

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KTM 50 SX 2020 Specifications

General

Starter	Kick starter
Final Drive	Chain
Fuel System	Carburetor
Front Brake	Disc brake
Rear Brake	Disc brake
Front Tire	60/100-12"
Engine Type	Single-cylinder, 2-stroke
Displacement	49 cc
Bore x Stroke	39.5 x 40 mm
Cooling	Liquid-cooled
Front Suspension	35 mm
Rear Suspension	Monoshock