I think I'm a believer in this stuff now..
I have a friend who is retired in his mid 60s and he is known here on the island as one of the most balls to the wall riders here.. He rides the mountain roads everyday and is a great guy.. old guy, grey hair, full leathers and he just rips shit up like never before... It's classic..
He rides a 05 CBR 1000 now.. and the bike he retired is still in his garage and it's a 94 900rr. This 900rr has 149k on the motor and never has it been rebuilt... Never. And he rides hard as hell ( It might be a 94 and a tank. but he sends his forks in and rear shock for a full set up and has it running good ) He swears that its the Dura Lube that he puts in the oil that has made his engine run as long as it has. He always tells me to go get some and try it.... So I did.
Every fourth oil change 6 ounces of Dura Lube in the oil.
I just threw some in my crank case and when i started my bike up, after the oil got warm and circulated my idle changed from raspy and uneven, to smooth and consistent.. It idols smooth now.. I'm like Hu.? so when i rode today i noticed that my bikes engine is way quieter than before, and my vibration that i feel in the handlebars is totally gone.. It feels like the first day i bought the damn thing.. Soooo smooth and also i can feel at WOT the bike seems to work better..
Don't know much about what goes on here with this stuff. what i gather is it seals all the pores in the walls of the engine and makes things run way smoother with less friction. Therefor longer engine life. (Teflon is the big ingredient in this stuff)
So I'm just sharing my experience.. And that is my bike feels brand new again and this stuff is awesome and i will be using it from now on.. My other friend used it as well and he called me and was freaking out how much smoother his bike runs.. this was before i tried it.
6 ounces ( anymore and clutch will slip he said ) every 4th oil change. I got it at Walmart for 15 bucks a Quart.. Going to use it in my truck and cars as well...