Quote:
Originally Posted by Old Tele man
Awhile back, Honda tried "...reducing friction..." with the HF engines only to endup with excessive oil consumption, early piston wear, and eventually pollution due to the oil consumption.
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What has become popular in the performance market are coatings for different parts of the engine including piston skirts and bearings.
An option called armor glide
Wiseco Powersports Forged Pistons - Wiseco Piston Inc.
Callies Coated Main Bearings - SummitRacing.com
There are even coatings for cylender walls, piston rings, gears... all in an attempt to free up horsepower by reducing friction.