1950 BSA ZB31 Gold Star Competition Model 499cc

Restored US-market competition 'plunger' BSA ZB31 499cc. Not UK-registered but offered with a NOVA and offered in running order.

ESTIMATE: £4,000 - £6,000

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

You can choose to bid in the room, by phone, online or via commission.

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

REG NUMBER
NOVA

SUMMARY

Restored US-market competition 'plunger' BSA ZB31 499cc. Not UK-registered but offered with a NOVA and offered in running order.

DESCRIPTION

The Gold Star version was fitted with a ZB34 500cc engine and utilised the 'plunger' frame
Only available for a year or so and consequently these are rare bikes
This example is a US-market import and features some competition components including competition forks, original tank and 19" front wheel
Subject to a comprehensive restoration to its current standard including full engine rebuild
Presented in running order
Complete with a NOVA Certificate and an old receipt
Not UK-registered

SPECIFICATION

Lot Number: 647
Make: BSA
Model: ZB31
Registration Number: NOVA
Frame Number: ZB31 S5288
MOT Expiry: Exempt
Engine Number: ZB34 4116 HC

GALLERY

SPECIALIST

Mark Bryan
Motorcycle Manager
07958 107974
mark@iconicauctioneers.com

For further information regarding this lot please contact Mark.

Email Mark
Telephone 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.

GET A QUOTE - click here

A classic car or motorcycle is a source of great pride and enjoyment but, whether your car or motorcycle is in storage or on the road, you’ll need a specialist insurance policy. We have partnered with Howden Insurance a leading insurance brokers with a team dedicated to classic cars and motorcycles. They cover a vast array of classic and vintage models and only work with insurers who provide a great service and share our passion for the classic motor industry.

For a personal classic car or classic motorcycle quote, visit:

www.howdeninsurance.co.uk/iconic-auctioneers

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1950 BSA ZB31 Gold Star Competition Model 499cc

1950 BSA ZB31 Gold Star Competition Model 499cc