Classic motorcycle head-to-head

Kawasaki Z1 900 vs Yamaha RD250LC

Kawasaki Z1 900 scores 87/100 overall against Yamaha RD250LC on 84/100. On the road: 73–73. As classics: 100–95. Overall result: Kawasaki Z1 900.

The numbers

Category-by-category result

CategoryKawasaki Z1Yamaha RD250LCAdvantage
road
PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field.98Kawasaki Z1
HandlingSteering, stability, weight and real-road manners.69Yamaha RD250LC
BrakingDirect comparison of real stopping ability without an age allowance.67Yamaha RD250LC
ReliabilityEngine, electrics and general dependability when properly maintained.87Kawasaki Z1
Ease of ownershipMaintenance, parts supply and access to specialist knowledge.87Kawasaki Z1
ComfortRiding position, vibration and suitability for longer journeys.76Kawasaki Z1
classic
StylingDesign quality, visual presence and period appeal.109Kawasaki Z1
Historical importanceInfluence on motorcycling and importance within its era.109Kawasaki Z1
Collector appealLong-term desirability among classic motorcycle enthusiasts.1010Level
CharacterSound, feel, personality and memorable riding experience.1010Level

Choose the Kawasaki Z1 if…

you want muscular 1970s superbike performance, imposing styling and major Japanese collector status.

Choose the Yamaha RD250LC if…

you want the learner-legal member of Yamaha's legendary LC family, with sharp handling and a thrilling two-stroke powerband.

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Background

History

Kawasaki Z1

The Kawasaki Z1 900 was produced from 1972–1975 and used a 903cc air-cooled DOHC inline four. Within this comparison library it stands out particularly for styling, historic importance, collector appeal. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.

Yamaha RD250LC

The Yamaha RD250LC was produced from 1980–1983 and used a 247cc liquid-cooled two-stroke parallel twin. Within this comparison library it stands out particularly for collector appeal, character, styling. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.

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Interesting details

Did you know?

Kawasaki Z1

  • Its production span in this library runs from 1972 to 1975.
  • The recorded engine description is: 903cc air-cooled DOHC inline four.
  • Its strongest comparison scores are styling, historic importance, collector appeal.

Yamaha RD250LC

  • Its production span in this library runs from 1980 to 1983.
  • The recorded engine description is: 247cc liquid-cooled two-stroke parallel twin.
  • Its strongest comparison scores are collector appeal, character, styling.
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Present-day appeal

Collector notes

Kawasaki Z1

Collector interest is strongest where condition, originality and correct period details support the identity of the Kawasaki Z1 900. Its library score for styling is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.

Yamaha RD250LC

Collector interest is strongest where condition, originality and correct period details support the identity of the Yamaha RD250LC. Its library score for collector appeal is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.

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Before you buy

Buying checks

Kawasaki Z1

  • Confirm the frame and engine identity match the advertised model and year.
  • Check cold starting, smoke, oil leaks and unusual mechanical noise.
  • Check carburettor balance, charging output and exhaust condition across all cylinders.
  • Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
  • Verify that important model-specific parts have not been replaced with incorrect later components.
  • Review the paperwork, ownership history and any restoration invoices before purchase.

Yamaha RD250LC

  • Confirm the frame and engine identity match the advertised model and year.
  • Check cold starting, smoke, oil leaks and unusual mechanical noise.
  • Check the oil-injection or premix arrangement, crank seals and exhaust condition carefully.
  • Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
  • Verify that important model-specific parts have not been replaced with incorrect later components.
  • Review the paperwork, ownership history and any restoration invoices before purchase.

Period opposition

Historic rivals

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Final result

The verdict

On the road the motorcycles finish level. Kawasaki Z1 900 wins the classic-motorcycle comparison. Kawasaki Z1 900 takes the overall result after the road and classic scores are weighted equally.

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