1951 BSA B31 Gold Star 499cc

Lot Number: 648

1951 BSA B31 Gold Star 499cc

Ex-competition, New Zealand-export BSA ZB1 Gold Star 499cc. Fitted with rare double-dampened front forks and close-ratio gear box. Recently restored to its current condition and in running order. Not UK-registered, imported pre-Brexit so it is the buyer's responsibility to register the bike.

  • ESTIMATE: £2,000 - £4,000

+ buyer's premium of 15% plus VAT (18% incl VAT)

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LIVE AUCTION: This lot will be auctioned on Sunday 9th November, 2025 at 10.00am local time at NEC, Birmingham, B40 1NT

  • Registration Number

    REG NUMBER
    NOT UK-REGISTERED

SUMMARY

Ex-competition, New Zealand-export BSA ZB1 Gold Star 499cc. Fitted with rare double-dampened front forks and close-ratio gear box. Recently restored to its current condition and in running order. Not UK-registered, imported pre-Brexit so it is the buyer's responsibility to register the bike.

DESCRIPTION

  • Only produced for a year or so and utilised the 'plunger' frame
  • The Gold Star version was fitted with a ZB34 500cc engine
  • This example was exported to New Zealand in May 1951 as a 350cc ZB1
  • We believe the bike was used in competition and fitted with a 500cc Gold Star engine
  • Fitted with rare double-dampened front forks and close-ratio gear box
  • Recently restored to its current condition and in running order
  • Not UK-registered, supplied with BSA Dating Letter

SPECIFICATION

Lot Number
648
Make
BSA
Model
ZB31 GOLD STAR
Registration Number
NOT UK-REGISTERED
Frame Number
TBC
MOT Expiry
Exempt
Engine Number
ZB34 GS 180

GALLERY

SPECIALIST

Consignor

For further information regarding this lot please contact Mark.

Email Mark
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Please note all motorcycles must be out of the venue by 2pm on Monday 10th November due to venue restrictions. We will contact buyers after the sale to arrange either collection or transport with Moving Motorcycles.

Uplift by our motorcycle transport partners, Moving Motorcycles, is £125 plus VAT back to their storage facility in Northampton. This includes three days storage.

You can obtain a quote online (see link below) or contact them on +44 (0) 1933 448555 for onward transport to you.

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