What causes Carb jets clogged from old fuel sitting on the Suzuki Katana?

Cold start behavior, idle quality, throttle response smoothness Estimated fix cost: $50-$150

What causes Coolant leaks from aging hoses and water pump on the Suzuki Katana?

Inspect hose connections, look for white residue near pump Estimated fix cost: $100-$300

Check charging voltage at battery, test with multimeter Estimated fix cost: $80-$200

Oil stains on fork tubes, spongy front brake feel Estimated fix cost: $100-$250

Known issues to inspect before buying a used Suzuki Katana. What to check and how much repairs cost.

MODERATE

Cold start behavior, idle quality, throttle response smoothness

Fix cost: $50-$150

SERIOUS

Inspect hose connections, look for white residue near pump

Fix cost: $100-$300

SERIOUS

Check charging voltage at battery, test with multimeter

Fix cost: $80-$200

MODERATE

Oil stains on fork tubes, spongy front brake feel

Fix cost: $100-$250

☐Check service history and mileage documentation

☐Test ride cold start and warm idle quality

☐Inspect frame for crash damage or welds

☐Verify charging system works above 13.5v

Solid but needs consistent maintenance when used