The following guide is for the R850R built from 08/1994 to 08/2002

Model information

 SAE 15W-50 API SE or 20W50 Mineral oil

Capacity 3.5 litres

SAE 75W-90

Capacity 0.8 litres

SAE 75W-90

Capacity 0.25 litres

DOT 4

N/A

Measurements taken on a cold engine:

- Intake 0.15mm

- Exhaust 0.30mm

12V 19AH

Dimensions approx (mm) 180(L) x 170(H) x 75(W)

Front spoked 110/80 x 18

cast 120/70 x 17

Rear spoked 140/80 x 17

cast 160/60 x 18

Headlight H4

Pilot 4w

Indicator 21w

Tail 21/5w

Maintenance schedule


- Change the engine oil and fit a new oil filter

- Check and adjust the valve clearances

- Check the operation of the clutch system

- Check the operation of the brake system

- Check throttle cable operation and freeplay

- Check spoke tension - wire spoked wheels

- Check and lubricate the stand pivots

- Check the side stand and starter circuit

- Check throttle synchronisation

- Check battery condition

- Fit a new air filter

- Bleed / test the ABS (only carried out by a BMW dealer)     

- Fit new spark plugs

- Fit a new alternator belt

- Change oil in final drive / gearbox

- Change the brake fluid

- Check the tightness of all nuts and bolts

- Check the condition of wheels, wheel bearings and tyres

- Check front and rear suspension units

The information provided is for guidance only. While every effort is made to provide the correct information, errors may occur.

We do not take responsibility if a mistake is made following incorrect information provided on this guide.

If you do not own the correct tools or have the necessary experience, entrust the job to someone who is qualified.

Motorworks supply the correct parts, tools and consumables to help you carry out servicing work on your BMW.

Contact us here or call our sales team on 01484 353600 if you need any assistance and we will be happy to help!

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