
RATIO PUBLISHING Rupert Ratio Books
Rupert Ratio - About the Author BSA Specialist
The Rupert Ratio Unit Single Manual - Volume 1 BSA Unit Single Volume 1 Rupert Ratio
The Rupert Ratio Unit Single Manual - Volume 2 Everything but the Engine BSA Unit Single Volume 2 Rupert Ratio
The Rupert Ratio Unit Single Manual - Volume 3 The Lesser Known Models BSA Unit Single Volume 3 Rupert Ratio
Customer Feedback Customer Feedback for Ratio Publishing
RATIO REBUILDS BSA Unit Single Engine Rebuilds and Spares
B44 Engine Rebuild B44 Engine Rebuild
Customer Feedback Ratio Rebuilds Customer Feedback for Ratio Rebuilds
Useful Links Web links
Gallery Galery
CONTACT US Email contact
BSA Unit Single Models C15, B40, B25, B44, B50, Triumph25w
Purchase Volumes 1 & 2 Purchase Volumes 1 & 2
Purchase Volumes 1 & 3 Purchase Volumes 1 & 3
Purchase Volumes 2 & 3 Purchase Volumes 2 & 3
Purchase Volumes 1 2 & 3 Purchase Volumes 1 2 & 3
Something Alternative! Not just an Author and a Unit Single fan! WW2 Themed Wedding

RATIO REBUILDS

PLEASE NOTE THAT DUE TO WORK ALREADY IN HAND EARLIEST AVAILABILITY IS NOVEMBER 2018 ONWARDS

Rupert Ratio is personally able to offer renovation and repair work for your Unit Single Engine. Anything from a thread repair to a complete engine overhaul to full concourse specification can be undertaken. All work is carried out with an attention to detail never originally possible at BSA. Replacement parts used are original new old stock spares wherever possible to maintain the integrity and quality of your engine. All customer requirements regarding state of tune modifications and finish for your engine can be accommodated.

Please contact Rupert directly through this website using the "Contact Us" tab to discuss your requirements.

Please note that due to volume of work in hand any new work commissioned will need to be scheduled 4 - 5 months ahead.

INDIVIDUAL SERVICES
AVAILABLE FOR YOUR ENGINE

CRANKSHAFT OVERHAULS - BIG ENDS FITTED/SMALL END FITTEDREBORES
CYLINDER HEAD OVERHAULS - VALVES/GUIDES/SEATS
GEAR BOX OVERHAULS
REBUSHING AND REAMING - SLEEVE GEAR/CAM BUSHES - C15 TIMING SIDE MAIN BUSH
CASINGS AND FIN REPAIR
OIL PUMP OVERHAUL - 2 STUD ZINC PUMPS
THREAD REPAIRS

Ratio Rebuilds

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