12 ads for ktm 125 sx in Motorbikes & Scooters for Sale

What should I check when buying a used KTM 125 SX motorbike?

Carefully inspect the frame for any signs of damage, such as cracks or welds, especially around stress points. Check the engine for leaks and unusual noises. Examine the suspension components (forks and shock) for leaks and smooth operation. Verify the condition of the tyres, brakes, and chain/sprockets. A test ride is essential to assess the bike's overall performance.

What documentation should I ask for when buying a used KTM 125 SX?

You should request the V5C (vehicle registration document) to confirm the seller is the legal owner. Check the VIN (Vehicle Identification Number) on the frame matches the V5C. Ask for any service history or maintenance records to understand the bike's upkeep. If the bike is relatively new, check for any remaining manufacturer's warranty.

What are the legal requirements for riding a KTM 125 SX on UK roads?

A KTM 125 SX is typically used off-road. To be road legal, it must comply with UK road regulations, including having valid MOT, road tax, and insurance. The rider must hold the appropriate motorcycle licence for the bike's power output. Learners aged 17+ with a CBT (Compulsory Basic Training) certificate can ride a 125cc motorcycle with L plates. Full licence holders may not need L plates.

What are common issues to look out for on a used KTM 125 SX?

Common issues on two-stroke bikes like the KTM 125 SX can include piston wear, carburetor problems, and clutch issues. Check the condition of the air filter, as a dirty filter can affect performance. Listen for any unusual engine noises, such as rattling or knocking, which could indicate internal damage. Also, inspect the exhaust system for leaks or damage.

What safety gear is essential when riding a KTM 125 SX?

Regardless of whether you are riding on or off-road, a helmet that meets UK safety standards is crucial. Protective clothing, such as a motorcycle jacket, trousers, gloves, and boots, is highly recommended to protect against injuries in case of a fall. Consider wearing body armour, especially for off-road riding. Always ensure your gear fits properly and is in good condition.