SAE 30 Break‑In Oil (BRK) is a specialized motor oil formulated fornew or rebuilt gasoline engines. Unlike standard synthetic oils, it isfriction‑modifier‑free, allowing piston rings to seat quickly and properly during the critical break‑in period.
Yanmar Heavy Duty Diesel Engine Oil HD SAE 30 is specifically formulated for use in marine and industrial diesel engines. Suitable for use in Yanmar marine and industrial diesel engines where SAE 30 oil is specified.