BMW R 90 S – R90S Maintenance: Recommended Oil & Tires
Feature Specification Production Years 1973–1976 Engine Type Air-cooled, four-stroke boxer twin Engine Oil SAE 20W-50 Mineral (2.25 L) Front Tire 3.25 H 19 (1.9 bar / 27.5 psi) Rear Tire 4.00 H 18 (2.1 bar / 30.5 psi) Battery DIN 52816 (12V 28Ah) Spark Plugs Bosch W5DC / NGK BP7ES Historical Engineering Highlight: The BMW … Read more