SOHC.co.uk Forums > Recommended Sources for Parts and Services
Mineral Oil
Skoti:
--- Quote from: Martin6 on May 15, 2025, 10:06:57 AM ---Regular changes are important. Two chains (primary and cam) and a gearbox, quickly reduce oil viscosity by shearing the oil's polymer chains. The viscosity you start with isn't what you drain out.
--- End quote ---
Aye,
that's good advice, I change the oil and filter every 1,500 miles and chuck in 10w/40 semi syn from where ever.
But my CB750F1 has three chains (2 primary and a cam chain).
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