What causes Carburetor gumming from ethanol fuel or storage on the Yamaha Virago 750?

Rough idle, hesitation, black smoke on startup Estimated fix cost: $50-$150

What causes Final drive shaft seal leaks on high-mileage bikes on the Yamaha Virago 750?

Oil weeping around rear drive housing near wheel Estimated fix cost: $100-$300

Grinding or spinning noise without engine catching Estimated fix cost: $80-$200

Bike dies after few minutes, cracked rubber diaphragm Estimated fix cost: $20-$60

Known issues to inspect before buying a used Yamaha Virago 750. What to check and how much repairs cost.

MODERATE

Rough idle, hesitation, black smoke on startup

Fix cost: $50-$150

MODERATE

Bike dies after few minutes, cracked rubber diaphragm

Fix cost: $20-$60

SERIOUS

Oil weeping around rear drive housing near wheel

Fix cost: $100-$300

MODERATE

Grinding or spinning noise without engine catching

Fix cost: $80-$200

☐Cold start it yourself, no warm-up cheating

☐Check shaft drive housing for oil seepage

☐Inspect carbs for black residue or rich smell

☐Verify charging system holds above 13V running

Solid, simple shaft-drive cruiser, easy to maintain