if it's a new cable, that's not the problem, it's the speedo itself gummed up - I wouldn't use any kind of grease on a cable, dry graphite only and only if you're sure the cable is binding, which would mean you got a defective new one

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot