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Vendor supplied images


  • Classic S1 in very good condition 
  • 250cc engine with cylinders and carburettors from a 350cc
  • Standard exhaust provides the distinctive S1 auditory delights
  • Rare Halibut Blue paintwork only available for one year 
  • Nut & Bolt restauration

The Appeal

Kawasaki’s S1 250 was designed to be the S2’s smaller cousin, sharing much of the mechanicals and structure but with the smaller 250cc triple 2 stroke 30bhp engine. Famed for its distinctive and mellifluous exhaust note, the S1 also introduced graphics that ran from the tank to the tail piece, an innovation still in use today.
This 1976 S1 is in great condition and of interest for at least two reasons. It is painted Halibut Blue, a distinctive shade only available for one year. And it has the S2’s larger 350cc motor, which addresses one of the criticisms of these models in period - namely a lack of power. Its well preserved condition and desirable specification surely make this a tempting prospect for fans of 70s classic bikes.

The History and Paperwork

  • First registered on 14th April 1976
  • The vendor states that it is fitted with a 350cc S2 engine
  • The original exhaust is fitted but a HiggSpeed system is also supplied
  • Unfortunately at the time of writing we did not have access to the service or maintenance records for this bike

The Condition 

  • The full length graphics of the S1 were an innovation and really set this bike apart in period - as now 
  • The bike is in very good condition and appears to be original 
  • Distinctive graphics are undamaged and show clear, strong colour
  • Halibut Blue finish only available for one year but has become closely associated with the S1
  • Chromework is in very good condition with good shine
  • Lights are undamaged and in clear, good condition 
  • Engine area has been carefully cleaned and presents exceptionally well
  • The original exhausts are not even heat damaged
  • Dials appear clear and free of marks
  • Rubber foot and hand grips are unworn 
  • Vinyl seat in excellent condition with no visible wear and good cushioning 

The Mechanics 

  • Originally factory fitted with a 250cc triple cylinder 2 stroke engine developing 30bhp
  • Now fitted with the S2’s 350cc triple cylinder 2 stroke engine with 45bhp
  • The engine change addresses one of the criticisms of the 250, namely its lack of power
  • The S1 largely used S2 running gear including the same frame 
  • Front disc brakes
  • The Kawasaki engine is renowned for its smooth running 
  • Multi-disc, wet clutch 5spd chain drive gearbox 
  • Fitted with its sonorous original exhaust system
  • The S1’s exhaust note was described as an ‘auditory delight’ by reviewers
  • Supplied with a HiggSpeed exhaust system but this is not fitted
  • The S1 250 was known for its excellent handling 


1970s bike enthusiasts can always tell a Kawasaki triple is en route thanks to its sonically delightful exhaust note. And once it arrives there is no mistaking the tank to tail graphics that established a style still in use today across the industry.
This rare Halibut Blue S1 is well preserved and has clearly been cared for. Fitted with the S2’s 350 motor to add more power but still with its musical original exhaust system, this must surely be a tempting prospect for enthusiasts of these stylish bikes. 


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A non-refundable deposit will be payable if you are the winning bidder at auction or if your offer is accepted, refer to FAQs and T&Cs for details. 
This vehicle is “Sold As Seen”, on an “As Is, Where Is’ basis and without warranty. A full inspection of the vehicle prior to purchase and bidding is highly recommended. Photos and descriptions are for guidance purposes only. 
✓ VAT is included in the buyer's deposit. VAT may or may not be included in the final bid or offer price, as specified in the listing. 
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Vehicle specification
  • Year 1976
  • Make Kawasaki
  • Model S1
  • Colour Blue
  • Odometer 0
  • Engine size 250
Listing Details
  • Seller Type Private
  • Town Frederikshavn
  • Location International
  • Country Denmark

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