KTM 85 SX 19/16 User Manual (English)

Questions and Answers:

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Victoria GuerreroAug 18, 2025
What to do if KTM Motorcycle engine overheats?
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  Daryl AlexanderAug 19, 2025
  If your KTM Motorcycle engine overheats, there are several possible reasons. First, check the coolant level and inspect the cooling system for leaks, as too little coolant can cause overheating. Insufficient air stream can also lead to this issue, so switch off the engine when standing. Dirty radiator fins can impede cooling, so clean them. Foam formation in the cooling system can also cause overheating, requiring you to drain and refill the coolant.
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Amy RayAug 21, 2025
Why KTM Motorcycle engine does not speed up?
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  Lisa HuntAug 22, 2025
  If your KTM Motorcycle engine does not speed up, one potential cause is the carburetor running over because the float needle is dirty or worn. In this case, check and set the carburetor components. Loose carburetor jets can also prevent the engine from speeding up, so ensure they are properly secured and check/set the carburetor components. Additionally, a fault in the ignition system could be the issue, requiring a check of the ignition system and adjustment of the ignition.
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Darlene WalkerAug 25, 2025
Why does my KTM 85 SX 19/16 Motorcycle engine have too little power?
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  Jamie GrantAug 25, 2025
  If your KTM Motorcycle engine has too little power, the issue could stem from several causes. A potential interruption in the fuel feed could be the reason; therefore, check the fuel tank breather, clean the fuel tap, and check/set the carburetor components. A very dirty air filter can also restrict performance, so clean the air filter and air filter box. Inspect the exhaust system for leaks or deformation, and consider changing the glass fiber yarn filling in the main silencer. A fault in the ignition system could also be the culprit, necessitating a check of the ignition system and adjustment of the ignition. Lastly, a damaged membrane or reed valve housing can reduce power, so inspect these components.
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Isabel ThomasAug 27, 2025
What to do if KTM Motorcycle engine stalls or is popping into the carburetor?
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  johndanielsAug 28, 2025
  If your KTM Motorcycle engine stalls or pops into the carburetor, it could be due to a lack of fuel. Ensure the fuel tap is in the ON position and refuel if necessary. Another cause might be the engine taking in bad air, so check the intake flange and carburetor for tightness. Also, the connector or ignition coil could be loose or oxidized; clean the connector and treat it with contact spray.
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Kelsey CardenasAug 30, 2025
How to fix KTM 85 SX 19/16 engine that has no idle?
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  Steven BrownAug 31, 2025
  If your KTM Motorcycle engine has no idle, several factors could be responsible. The idling jet might be blocked, requiring you to check and set the carburetor components. Distorted adjusting screws on the carburetor can also cause this issue; in this case, adjust the idle speed of the carburetor. A defective spark plug could be the problem, so replace the spark plug. Lastly, a defective ignition system might be the cause, requiring you to check the ignition coil and the spark plug connector.
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johnkellySep 3, 2025
What causes KTM 85 SX 19/16 Motorcycle engine to overheat?
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  kim98Sep 3, 2025
  If your KTM Motorcycle engine overheats, it could be due to a damaged cylinder head or cylinder head gasket, so check these components. A bent radiator hose can also cause overheating, requiring replacement of the radiator hose. Additionally, an incorrect ignition point due to a loose stator can lead to overheating, necessitating adjustment of the ignition.
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Brian MccartySep 5, 2025
What does white smoke emission from KTM Motorcycle mean?
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  Catherine GordonSep 5, 2025
  If your KTM Motorcycle emits white smoke (steam) in the exhaust gas, it could be due to a damaged cylinder head or cylinder head gasket. In this case, check the cylinder head or cylinder head gasket.
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simmonsjillianSep 9, 2025
Why gear oil exits at the vent hose of KTM 85 SX 19/16 Motorcycle?
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  Katie ByrdSep 9, 2025
  If gear oil is exiting at the vent hose of your KTM Motorcycle, it is likely due to too much gear oil having been added. Check the gear oil level.

KTM 85 SX 19/16 Specifications

General

Displacement	84.9 cc
Transmission	6-speed
Front Wheel Size	19 inches
Rear Wheel Size	16 inches
Starter	Kick starter
Rear Suspension	WP mono shock
Front Tire	70/100-19
Rear Tire	90/100-16
Engine Type	Single-cylinder, 2-stroke engine
Clutch	Wet multi-disc
Front Suspension	WP USD, 43 mm
Front Brake	Disc brake
Rear Brake	Disc brake, 220 mm
Frame	Central tube frame, chrome molybdenum steel