Riley 9 Sectioned Engine

First introduced in 1926, Percy Riley's 9hp twin-cam four was an outstanding engine design by any standards, with various developments powering Riley cars until 1957. Looking to all intents and purposes like a twin-overhead-camshaft design, the Nine's cross-flow cylinder head featured hemispherical combustion chambers and valves inclined at an included angle of 90 degrees. The twin, gear-driven camshafts were mounted ...

Welcome to the Blue Diamond Riley Services Limited blog!

Hello to all our friends, customers and new subscribers and welcome to the first entry into the new Blue Diamond blog. This blog is aimed to be very relaxed and more informative than formal, it will cover the exploits of the Blue Diamond team, our cars, workshop restorations and events that the team attend over the course of the year. …

Blue Diamond Riley Services attends 45th Anniversary of the Ulster Riley Club

Helen, Natasha and I were invited to be the guests of the Ulster Riley Club for their 45th anniversary rally at the Giants Causeway in Northern Ireland. Initially I had high hopes of attending in a suitable car, the team had spent a full week preparing BD’s 1933 Riley 9 Lynx. However, due to a significant oil leak from the …

Blue Diamond Riley Services Limited’s Daniel Hunter To Attend Historic Vehicle Restoration Apprenticeship Course

Blue Diamond Riley Services Limited’s Daniel Hunter has been accepted into the Federation of British Historic Vehicle Clubs’ historic vehicle restoration course starting in September. The Federation of British Historic Vehicle Clubs has been designed to be the only Office of Qualifications and Examinations Regulation (OFQUAL) accredited modern apprenticeship course for vehicle restoration in England. The framework has been compiled ...

Our Recent Rebuilds

Check out our recent work MPH Replica new build, completed by the team at Blue Diamond Services demonstrating a true attention to detail1934 Riley Imp restored by the customer with engine, gear box and back axle and torque tube overhauled by Blue Diamond.1933 6cyl 2 door Lynx engine rebuilt with new cylinder block by Blue Diamond Services.Brooklands 9hp complete rebuild.Booklands ...

Blue Diamond Riley Services Under New Ownership

Established pre-war Riley experts, Blue Diamond Services, are delighted to announce that the business will shortly be under new ownership. The new ownership team, headed up by VSCC member and Riley aficionado, John Lomas, will complete the purchase of the business in the coming weeks. Blue Diamond Services, which has thrived under the previous ownership of Ian Gladstone for some ...