News — Bel Ray oil
Posted by Frank Milazzo on
Thing You Need to Know About Your 4-Stroke Oil The modern four-stroke motocross bike engine is a complex miracle that pumps out more horsepower than engineers would have ever dreamed of even a decade ago. Believe it or not, there was a time in our sport when thumpers were considered too heavy and too slow to be competitive against their two-stroke brethren, but current valve-and-cam technology has all but rendered the once-dominant two-stroke obsolete. With more power, however, comes more internal heat, and engine oils are taxed more heavily than ever. Gone are the days when you could save a...
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