After researching this German product I will start a test in one of my 477 bikes to see if running noise becomes less. The best collection of test results I found here, use google for translation:
available from Amazon:
However, I reconsidered having read the warning concerning wet clutches.
I will try it out on a bike with an old clutch.
available from Amazon:
Liqui Moly 20002 MOLY 3721 Cera Tec, Orange, 300 ml
Über Kindle empfohlen. Beschreibung:
read.amazon.in
I will try it out on a bike with an old clutch.