What causes Stator/charging system failure on the Suzuki Gladius 650?

Check battery voltage at idle, look for dim lights Estimated fix cost: $200-$400

What causes Fuel injector clogging from ethanol fuel on the Suzuki Gladius 650?

Rough idle, hesitation on throttle, hard cold starts Estimated fix cost: $100-$250

Listen for rattling on cold start near engine top Estimated fix cost: $150-$300

Oil residue on lower fork tubes, check both sides Estimated fix cost: $80-$200

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

SERIOUS

Check battery voltage at idle, look for dim lights

Fix cost: $200-$400

MODERATE

Rough idle, hesitation on throttle, hard cold starts

Fix cost: $100-$250

MODERATE

Listen for rattling on cold start near engine top

Fix cost: $150-$300

MINOR

Oil residue on lower fork tubes, check both sides

Fix cost: $80-$200

☐Run engine cold, listen for rattles

☐Check charging voltage with multimeter

☐Inspect fork tubes for oil weeping

☐Review full service history for injector cleaning

Generally solid, minor electrical gremlins on high-mileage units