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Main bearing (crankshaft bearing) in +0.25 mm undersize for the Yanmar 2YM15, 3YM20, and 3YM30 marine engines. This size is used when the crankshaft has been reground by 0.25 mm — ensuring proper bearing clearance and stable oil pressure after an overhaul.
✔️ +0.25 mm size for a reground crankshaft
✔️ High-quality bearing material for a long service life
✔️ Exact OEM fit in the original engine block
Technical specifications:
Tip: Is your engine still using the original crankshaft size? Then choose the standard size (STD) version.
Yanmar: 2YM15, 3YM20, 3YM30
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