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£12,872
c.1927 Grindlay Peerless S.O.4 Model 350 'Dog Ear' single-port JAP
United States • 3 Mar 2022
Vehicle Details
AI Listing Summary
This is a rare 1930s Grindlay Peerless S.O.4 Standard Model 350 motorcycle, featuring the desirable 'dog ear' JAP single-port engine. It was likely restored before being purchased in 2003 from a British motorcycle expert in Australia, and remains in excellent condition, adding to its value as a collector's item.

Condition
8
While described as in excellent condition today, it's noted that conventional wisdom suggests the usual safety checks be undertaken before further use, and any previous registration, together with ownerships, is unknown, suggesting some degree of uncertainty about its history and current roadworthiness.
/ 10
Transmission:
Manual
Chassis No:
[Chassis No]
Odometer:
[Odometer Reading]
Reg Number:
DS 9687
RHD/LHD:
[RHD/LHD]
*Rare opportunity to acquire a Grindlay Peerless *Dog Ear JAP Engine A short-lived marque, Grindlay Peerless, based in the Midlands' industrial city of Coventry – precisely Melbourne Works, Shakleton Road in Spon End - is nevertheless guaranteed its place in motorcycling history thanks to works rider/tuner Bill Lacey, who in August 1928 became the first rider of a 500cc machine to exceed 100 miles in the hour on British soil.
Like many production Grindlays, Lacey's bike used a twin-port JAP engine and the marque also fitted Barr & Stroud, Rudge Python and Villiers power units.
Grindlay Peerless had started out as sidecar makers in the 1910s, the company known as Grindlay Sidecars, the two Grindlay brothers, Alfred Robert and William John, having taken over a company called Coventry Motor and Sundries Co.
from a William Edward Mann.
The sidecars were well known for their very high quality.
In the years of WWI, the Grindlays and Thomas Edward Musson merged their companies together i...
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