What causes Water pump seal failure, coolant leak on the Ktm 690 Smc R?

Coolant level, weep hole under engine for leaks Estimated fix cost: $150-$300

What causes Cam chain tensioner wear, rattling on startup on the Ktm 690 Smc R?

Cold start rattle, service history for tensioner replacement Estimated fix cost: $200-$500

Idle stability, hesitation off throttle at low RPM Estimated fix cost: $100-$400

Inspect welds around rear subframe visually Estimated fix cost: $300-$800

Known issues to inspect before buying a used Ktm 690 Smc R. What to check and how much repairs cost.

MODERATE

Coolant level, weep hole under engine for leaks

Fix cost: $150-$300

SERIOUS

Cold start rattle, service history for tensioner replacement

Fix cost: $200-$500

MODERATE

Idle stability, hesitation off throttle at low RPM

Fix cost: $100-$400

SERIOUS

Inspect welds around rear subframe visually

Fix cost: $300-$800

☐Check full service history and oil change intervals

☐Cold start test, listen for chain rattle

☐Inspect frame and subframe for cracks

☐Verify valve clearance service completed at 15k km

Reliable if well maintained, punishing if neglected