Quote:
I believe due to the shear forces in the circut our oils take that using dino oil will probably shorten the life of your engine. I don't know this from experience but it makes sence. Loss of viscocity = more wear.
That's what I was trying to say 
12 Rocket Roadster 03 Bonneville America 69 BSA Firebird Scrambler 73 Yamaha TX 750
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