I prefer Spectro's fork oils and suspension fluids. This article applies to Pre-Airheads, Airheads, Classic K bikesĭiscussion of oil types and characteristics: The following section should be used with: Snowbum's BMW Motorcycle Repair & Information WebsiteĬlicking on them at every visit helps support this website!Ĭlicking on something inside an advertisement helps even more!Īlso, thanks for the donations! The donating link has history andįront Fork Oil discussion filling amounts hints.