Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Model: Ktm Sx 250

In this guide, we will see the procedure to remove and replace the crankshaft oil seal and the sprocket on the KTM SX 250 enduro bike. First, remove the sprocket by taking off the circlip or metal retainer (using the appropriate pliers); then unscrew the central nut to remove the sprocket, disconnecting the chain. At this point, proceed with the removal of the small bearing, then take out the old oil seal; lubricate the new one and insert it correctly in place, tapping with a soft material until it is seated!

Updated on 6 June 2026 by ScegliAuto

Video tutorial

Related tutorials

How to replace the crankshaft oil seal of the KTM SX 250
How to replace the crankshaft oil seal of the KTM SX 250
Sx 250 Today's main instructions will show us how to disassemble and replace the oil seal of the crankshaft of the KTM SX 250 enduro motorcycle. First, we p…
How to Change the Engine Oil on a KTM SX 250
How to Change the Engine Oil on a KTM SX 250
Sx 250 In this tutorial, you will learn how to perform routine maintenance by changing the engine oil on the KTM SX 250 enduro bike. First, drain the old en…
How to Change the Oil in the Gearbox on the KTM 250 SX
How to Change the Oil in the Gearbox on the KTM 250 SX
Sx 250 In this video, you will see how to change the transmission oil, performing the regular maintenance service on a KTM 250 SX. First, position the bike …

How to Replace the Battery in a Yamaha Vino 125 Scooter?

In this tutorial, you will see how to replace the battery in a Yamaha Vino 125 scooter, a very simple and quick operation. First, ensure that the key is not inserted for safety. Then, lift the rubber mat and, using a simple cross-head screwdriver, unscrew the two screws securing the plastic cover. Once opened, disconnect both terminals, starting with the negative, and remove the battery from its housing. To fit the replacement, simply follow the reverse procedure.

Watch the video!


by ScegliAuto

More videos