Switched to this oil from Bel-Ray Thumper and am really happy with it. The motor has quieted down a little. Also heat robs alot of power from my bike and I feel the bike is cooling faster and loosing less power on extended rides
Silkolene Pro 4 SX Synthetic 4-Stroke Engine Oil
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Recently switched to Silkolene from Motorex and I have to tell you that after a full weekend of racing stuff still looks and smells new - as the Motorex was black and smelled burnt Highly recommended A+
I have always used Silkolene products and have never had any problems. I started with pro 2, and my pistons always looked brand new. Everything I heard or read indicated this it top quality stuff. I also love Silkolene Pro Prep, just spray your whole bike with it and it looks better than new (dirt bikes only). It also cleans easier after the next ride.