What causes Frame cracking near swingarm pivot on the Ktm Supermoto 990?

Inspect welds around swingarm and frame junction closely Estimated fix cost: $300-$800

What causes Throttle body sync and idle issues on the Ktm Supermoto 990?

Listen for rough idle, check TPS and sync balance Estimated fix cost: $100-$250

Test charging voltage, look for melted stator wiring Estimated fix cost: $200-$500

Cold start rattling, check service history for tensioner replacement Estimated fix cost: $150-$400

Known issues to inspect before buying a used Ktm Supermoto 990. What to check and how much repairs cost.

SERIOUS

Inspect welds around swingarm and frame junction closely

Fix cost: $300-$800

MODERATE

Listen for rough idle, check TPS and sync balance

Fix cost: $100-$250

SERIOUS

Test charging voltage, look for melted stator wiring

Fix cost: $200-$500

MODERATE

Cold start rattling, check service history for tensioner replacement

Fix cost: $150-$400

☐Check frame welds for cracks

☐Verify full service history exists

☐Test ride cold start behavior

☐Inspect stator and battery voltage

Good bike, maintenance-heavy, buy with full history