Top repairs for the KTM 300EXC
The jobs that keep a off-road two-stroke bike like this safe and running, from rider checks to workshop jobs. These are routine maintenance and common checks for this type of bike, not a ranking of faults.
- Pre-ride checkRider job · 2 min daily; 10 to 15 min weekly
- Check tyre pressureRider job · 5 min
- Inspect tyres for wear and damageRider job · 10 min
- Check wheel bearingsHome workshop · 15 to 30 min
- Remove, check, gap and fit a spark plugRider job · 15 to 20 min
- Clean or replace the air filterRider job · 15 to 40 min (estimate, plus drying time for foam)
- Test engine compressionHome workshop · 30 to 45 min
- Assess the top end (cylinder, piston, valves)Workshop job · 3 to 6 h strip and measure
Check your version first. Confirm carburettor/TPI/TBI, premix versus oil injection and model-specific piston service schedule. Use the values in your bike's manual.
