The 1981 BMW R 100 RS represents a pivotal moment in motorcycle engineering: it was the first iteration of the legendary sport-tourer to receive ‘Nikasil’ (Nickel Silicon Carbide) cylinder coatings. This aerospace-derived technology significantly reduced friction and oil consumption while extending the engine’s lifespan, cementing the ‘Airhead’ boxer’s reputation for bulletproof reliability. Quick Specs: BMW … Read more
Specification Data Model Year 2017 Engine Type Evolution® V-Twin (Air-cooled) Oil Specification 20W50 (2.65 L) Front Tire 130/90B16 67H Rear Tire 150/80B16 77H Tire Pressure (F/R) 2.48 bar (36 psi) / 2.76 bar (40 psi) Battery Type 65958-04C Spark Plug HD 6R12 The 2017 Harley-Davidson XL1200CB Sportster 1200 Custom Limited B represents a significant milestone … Read more
Specification Data Production Years 1980-1983 Engine Oil SAE 10W-40 JASO MA2 (2.1 L) Front Tire 3.25-19 4PR Rear Tire 130/90-16 67H Spark Plug NGK B7ES Battery YB12A-A Engineering Highlight: The Chain-Driven Evolution While the Kawasaki Z 440 LTD is often associated with the ‘Belt Drive’ innovation introduced in the early 1980s, the KZ440A (Kettenantrieb) remains … Read more