What causes Carburetors gummed up or out of sync on the Honda Cb550 Four Super Sport?

Rough idle, hesitation, fuel smell, uneven cylinder temps Estimated fix cost: $100-$300

What causes Cam chain tensioner wear causes rattling on the Honda Cb550 Four Super Sport?

Cold start rattle, ticking noise at top of engine Estimated fix cost: $150-$400

Dragging brakes, soft lever, leaking master cylinder Estimated fix cost: $80-$250

Check all lights, horn, neutral light, charging voltage Estimated fix cost: $50-$200

Known issues to inspect before buying a used Honda Cb550 Four Super Sport. What to check and how much repairs cost.

MODERATE

Rough idle, hesitation, fuel smell, uneven cylinder temps

Fix cost: $100-$300

SERIOUS

Cold start rattle, ticking noise at top of engine

Fix cost: $150-$400

SERIOUS

Dragging brakes, soft lever, leaking master cylinder

Fix cost: $80-$250

MODERATE

Check all lights, horn, neutral light, charging voltage

Fix cost: $50-$200

☐Cold start it, listen for top-end rattle

☐Check frame for rust, cracks near headstock

☐Verify all four cylinders firing evenly

☐Inspect fork seals and swing arm play

Solid engine, maintenance neglect is main enemy