4BY2-180
The Yanmar 4BY2-180 is a 180 mhp (132 kW) 2.0-litre 4-cylinder BMW-derived common-rail turbo diesel rated at 4000 rpm, the second-generation BY engine (about 2008-2013), sold for inboard gears or sterndrive, including Yanmar's ZT350.
The 4BY2-180 belongs to the BY2 series (4BY2-150, 4BY2-180, 6BY2-220, 6BY2-260), which Yanmar announced as the successor to the original BY series, 'available end of 2008'. The outputs stayed the same - 150 and 180 mhp from the 1.995-litre four and 220 and 260 mhp from the 2.993-litre six, all at 4000 rpm - but Yanmar listed a fully water-jacketed exhaust manifold, turbocharger and heat-exchanger changes, a metal top cover, a glow-plug controller, a combined fuel manifold, a new two-piece flywheel housing and ECU software changed from torque to speed control for smoother running and better twin-engine synchronisation.
Inboard versions were listed with the Kanzaki KMH40A gearbox. The Z-suffix sterndrive versions could be ordered with Yanmar's own ZT350 sterndrive, which Yanmar developed for the BY2 and LP engines, and BoatTEST also mentions MerCruiser Bravo legs as a pairing.
The BY2 appears on Yanmar's line-up until 2012-2013, when it gave way to the BY3 series with the same ratings. BoatTEST's review of the 4BY2-180 notes its use in small trawlers, sports boats over 20 ft and petrol-to-diesel repowers.
Tekniset tiedot
Teho
- Teho
- 180 hp
- Teho (kW)
- 132 kW
- Nimelliskierrosluku
- 4000 rpm
Moottori
- Kokoonpano
- inline 4
- Sylinterit
- 4
- Iskutilavuus
- 1.995 L
- Ahtaus
- turbo, intercooled
- Paino
- 258 kg
- Polttoaine
- Diesel
- Asennus
- Sisämoottori
Asennettu veneisiin
Arvostelut
- Yanmar 4BY180 engine review
BoatTEST
Lähteet
- 1. YANMAR Marine Product Guide 2009-2010 — Yanmar
- 2. New-generation BY2 series diesels (news) — Yanmar
- 3. Powerboat engines line-up (yanmarmarine.com, Jan 2011) — Yanmar
- 4. Powerboat engines line-up (yanmarmarine.com, Jun 2012) — Yanmar
- 5. Powerboat engines line-up (yanmarmarine.com, Jul 2013) — Yanmar
- 6. Yanmar 4BY180 engine review — BoatTEST
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