1981 BMW R100RS

Highlights

Stripped down to bare metal and reassembled with new bespoke components
Unique fibreglass rear fairing designed to match the lines of the petrol tank
Emission tested and declared ULEZ compliant
Advisory-free MOT valid until 17th July 2025
Comprehensive service history with many invoices and almost all MOT test certificates from 1990 to the present day

The Appeal

The UK's custom motorcycle scene has been going from strength to strength during recent years. We're lucky to have a plethora of talented bike builders working away in their sheds up and down the country, building rather wonderful machines like this café racer-style BMW R100RS

Stripped down to bare metal and reassembled with a whole host of bespoke components and high-end aftermarket accessories. Cosmetic upgrades include a unique fibreglass rear fairing designed to match the lines of the petrol tank, while look modern conveniences include LED lights with integrated indicators front and rear. There are a whole host of mechanical upgrades from the Suzuki GSX-R 750-derived front end to the Brembo braking system. The vendor provides a very detailed account of the various modifications have we have included below.

The bike has been ULEZ emission tested and is fully compliant going forward, making it a viable and appealing choice for city riders. Additionally, it comes with a comprehensive service history, including numerous invoices and almost all MOT test certificates from 1990 to the present day.

If you love this BMW as much as we do, you had better get your bid in as you won't find another the same.

History and Paperwork

Based upon a 1981 BMW R100RS
In previous ownership for many years
Service history includes numerous invoices and almost all MOT test certificates from 1990 to present
New MOT completed, valid until July 2025
ULEZ emission tested and fully ULEZ compliant for the bike's lifetime
Two original keys and rider's handbook included
Special number plate: 'MRX 695X' included

The Condition

Unique fibreglass rear fairing designed to match the petrol tank's lines
Rear fairing fits flawlessly with the "K" series rear brake light for a modern look
Hand-made black leather seat
New Cafe Racer headlight with discreet LED indicators
LED indicators also integrated into the rear fairing
Polished alloy piece mounted underneath the tailpiece
The paintwork is a Graphite Grey tint with a slightly polished industrial look
Numerous components have been highly polished
Frame, sub-frame, and wheels sandblasted and powder-coated
Unique piece made of fiberglass and metal brackets mounted to the underside - perfect for the racer theme
Tyres in very good condition
Foldable number plate bracket
Bar end mirrors
Highsider adjustable headlight brackets
Motogadget black grips
KOSO speedometer
Original Suzuki chrome clip-ons

You won't find another bike like this. It was totally stripped back to a bare metal frame and just about everything has been modified or swapped out for bespoke or high-end aftermarket parts. The level of finish is superb and thought has gone into every detail including the choice of colours, polished finishes and factors including the riding position and everyday ergonomics.

The Mechanics

980 cc four-stroke flat-twin
Five-speed gearbox
The ignition key has been relocated to the back of the engine within a bespoke fiberglass which sits in place of the original air box
Lithium battery with bespoke alloy bracket hidden behind the engine
Original Suzuki 6-piston Tokico disc brake rebuilt with new master cylinder, calipers, and brake fluids
Carburettors sonically cleaned, adjusted, and balanced
Valve clearance adjusted
Piston rings changed
Front from a Suzuki GSX-R 750 with an adjustable alloy top yoke plate
Front rebuilt with new oils
Rear Brembo brake rebuilt with master cylinder and new brake oil
All fluids changed: gearbox, engine
New steering and wheel bearings added
New spark plugs
Chrome silencer with golden wrapping
Pair of K&N Sport air filters
Lithium battery
44 cm adjustable chrome shock absorber

Since so much has been done to this bike mechanically, nobody is better placed than the vendor to give an account of what has been carried out. They helpfully provide the following account:

"The front is from a Suzuki GSX-R 750, with an adjustable alloy top yoke plate to stiffen up the front. This has been rebuilt and been filled with new oils, it also came with a very powerful original Suzuki 6 pistons Tokico disc brake, that has been rebuilt with new master cylinder, new callipers, and new brake fluid. It was a great challenge to make it fit with the frame and with the original BMW wheels, also added new steering bearing and wheel bearings but it was worth it to achieve the aggressive stance.

The rear Brembo brakes have been rebuilt with a new master cylinder and new fluid. The engine and gearbox fluids were changed and new spark plugs fitted. A pair of K&N Sport air filters have been used along with a lithium battery and 44 cm adjustable chrome shock absorber."

We're informed that the bike runs and rides very well indeed. It's comfortable, eminently usable and has proved reliable throughout current ownership. There's ample performance available, along with plenty of torque and of course, a great noise. No MOT advisories were accrued during there last test, so this bike is ready to enjoy.

BEFORE YOU BUY

This sale is subject to the Car & Classic Terms and Conditions. By bidding and/or making an offer, you also agree to the following:

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