What causes Carburetor clogging from ethanol fuel damage on the Suzuki Marauder 800?

Rough idle, hesitation, black smoke on startup Estimated fix cost: $150-$350

What causes Rectifier/regulator failure kills charging system on the Suzuki Marauder 800?

Battery dies frequently, voltage above 15V at idle Estimated fix cost: $80-$200

Fuel smell, wet carb, fuel flow without vacuum Estimated fix cost: $40-$120

Known issues to inspect before buying a used Suzuki Marauder 800. What to check and how much repairs cost.

MODERATE

Rough idle, hesitation, black smoke on startup

Fix cost: $150-$350

SERIOUS

Battery dies frequently, voltage above 15V at idle

Fix cost: $80-$200

MODERATE

Fuel smell, wet carb, fuel flow without vacuum

Fix cost: $40-$120

☐Check for oil leaks around valve covers

☐Test battery voltage after short ride

☐Inspect brake pads and rotor thickness

☐Verify carbs sync and idle smoothly warm

Solid engine, weak electrics, easy DIY maintenance