Total cycle Corrosion Protectant S100 dr Suess the vent is hidden under

the vent is hidden under rubber o-ring on the underside of the cap

have some other vintage excelsior items & a 1911 owners manual on other listings

Not sure if they are Harley or S&S

FLB Electra-Glide (1966) Electra-Glide FLB (1966)

Total cycle Corrosion Protectant S100 dr Suess the vent is hidden underNo matter how clean you keep your bike, you always have to be on the lookout for that dreaded enemy number one, corrosion. Unless you live in the desert, humidity, salt air, spring road salt and plain old pollution threaten your bikes precious metals. Thats why we developed S100 Corrosion Protectant. Just spray on a clean, dry bike (or into a cloth) and rub into the areas you want to protect, those sensitive areas like fork tubes, case covers and