What causes Throttle body sync issues causing rough idle on the Suzuki Gsf 650 Bandit?

Idle quality, surging at low RPM, uneven revs Estimated fix cost: $80-$150

What causes Coolant leaks from water pump seal on the Suzuki Gsf 650 Bandit?

Weeping below engine, coolant level drops over time Estimated fix cost: $120-$250

Battery voltage at idle, dim lights, hard starting Estimated fix cost: $150-$300

Hesitation on acceleration, poor fuel economy Estimated fix cost: $50-$100

Known issues to inspect before buying a used Suzuki Gsf 650 Bandit. What to check and how much repairs cost.

MODERATE

Idle quality, surging at low RPM, uneven revs

Fix cost: $80-$150

MODERATE

Weeping below engine, coolant level drops over time

Fix cost: $120-$250

SERIOUS

Battery voltage at idle, dim lights, hard starting

Fix cost: $150-$300

MINOR

Hesitation on acceleration, poor fuel economy

Fix cost: $50-$100

☐Check charging voltage with multimeter running

☐Inspect underneath engine for coolant residue

☐Test ride for smooth throttle response

☐Verify service history and coolant changes

Solid budget naked bike, minor electrical watch-outs