1972 Seeley G50 Mk4

Highlights

Improved Mk4 version of the original Seeley G50
Seeley provenance to confirm history
Engine rebuilt by John Cronshaw
Originally owned by GP racer Derek Woodman
Will feature at Prescott, Donnington & Aberdare in 2024
Carefully restored and mostly very original G50

The Appeal

The Matchless G50 was hugely success. But it wasn’t enough to stave off Associated Motor Cycles’ demise in the 1960s. Esteemed sidecar racer Colin Seeley spotted further potential in the 497cc SOHC air cooled single and bought the firm’s racing team.

He quickly set about developing his own frame, which evolved through four versions to the Mk4 of late 1970. With its improved layout the Mk4 continued the success of Seeley’s G50 in the 500cc GP classes.

This one was built in late 1971 and first sold in April 1972. That buyer found it too quick so gave it back. That was good news for this bike - a few weeks later it ended up in the hands of famed racer Derek Woodman. He campaigned it in the 500cc class.

In the intervening years it has been enjoyed and restored, but thankfully remains largely original. The Seeley tank is non-original and the colour has been changed, but otherwise it is as Colin intended. The engine was rebuilt by John Cronshaw, the specialist Matchless G50 engineer.

A letter from Eva Seeley of CSRD confirms the authenticity. This bike continues to be used and enjoyed - it will appear at Prescott, Donnington and Aberdare during 2024 - so is ready to pass on to the lucky buyer.

History and Paperwork

Entered onto Colin Seeley’s ledger on 7th October 1971
Originally sold new to Mr K Shepherd on 26th April 1972
He quickly returned it to Colin Seeley
It was then resold to Derek Woodman, the GP racer, on 19th May 1972
One of the rare Mk4 frame which incorporated various improvements over the original
Chassis number MK4CS198
Engine rebuilt by John Cronshaw with receipts to confirm
Will feature at Prescott, Donnington and Aberdare during 2024
Correspondence with Eva Seeley included
Typed up history of bike
Available on display at Moto Corsa premises - The Old Brewery in Gillingham, Dorset
Various spares available by separate negotiation
Registered for the road with a V5 in the vendor's name
Recognised by the DVLA as a historic vehicle
Able to travel to the continent without an ATA Carnet

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The Condition

Restored and refinished in stylish but non-standard blue
Fitted with a later Seeley tank
Mk4 frame with revised layout to improve handling
Sports ‘35’ decals
Aluminium stand included
Beautiful condition across paintwork and fittings
Very well kept bike in collector-quality condition

The Mechanics

496cc SOHC air cooled single tuned by Colin Seeley
4spd chain drive gearbox
Engine rebuilt by Matchless G50 specialist
Regularly run and displayed
No reported running or riding issues to advise

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