Home / Engines / Yanmar YSB8

Yanmar YSB8

1967–19808 HP1-cylinderdiesel

Dieselraw water cooledinboard

Single-cylinder with built-in gearbox.

Specifications

Power	8 HP @ 3,000 RPM	Cylinders	1
Displacement	287 cc (17.5 ci)	Bore x Stroke	70 x 75 mm
Fuel Type	Diesel	Aspiration	Naturally Aspirated
Cooling	Raw water	Drive	Inboard
Weight	60 kg (132 lb)	Fuel Use	1.5 L/hr
Oil Capacity	1.9 L

Parts for the Yanmar YSB8

14 catalogued parts. Prices are reference figures; each “Find on Amazon” link opens a search for that part — confirm fitment against your engine's serial before ordering.

Cooling System (5)

IMPELLER
fits: Yanmar 2GM , 3GM , 2GM20 , 3GM30, 2QM15, SB8, SB12, SVE8, SVE12, YSB8, YSB12, YSE8, YSE12,
$38.60
Buy on ↗
IMPELLER GASKET
fits: Yanmar 2GM , 3GM , 2GM20 , 3GM30, 2QM15, SB8, SB12, SVE8, SVE12, YSB8, YSB12, YSE8, YSE12,
$4.46
Buy on ↗
Thermostat 42C for Yanmar YSB8 (genuine Yanmar OEM)
fits: 124233-49250 / 181130-49200
Buy on ↗
Complete raw/sea water pump assembly for Yanmar YSB8 (bronze body, 2 1/4 inch cover)
fits: updated to 721575-42702
Buy on ↗
Raw water impeller for Yanmar YSB8 (replaces older 104211-42070)
fits: Johnson 09-806B / Jabsco 4528-0001
Buy on ↗

Fuel System (3)

Yanmar Secondary Fuel Filter
fits: Yanmar 1GM, 1GM10, 2GM, 2GMF, 3GM, 3GMF, 2GM20, 2GM20F, 2GM20F-YEU, 2GM20-YEU, 3GM30, 3GM3
$9.42
Buy on ↗
Yanmar Secondary Fuel Filter O-Ring 1A S-44.0
fits: Yanmar Fuel Filter # 104500-55710
$2.71
Buy on ↗
Yanmar Nylon Secondary Fuel Filter Housing Bleed Washer
fits: Yanmar Fuel Filter # 104500-55710
$1.55
Search →

Lubrication (1)

Lube oil filter (reusable oil strainer element) for Yanmar YSB8
fits: 104271-35130
Search →

Belts (2)

Yanmar V-Belt ( HM-30 )
fits: Yanmar YSB8, YSE8, YSB8, YSE8
$19.00
· $21.62 ↗
Yanmar V-Belt ( HM-21 )
$15.04
· $9.75 ↗

Anodes (3)

Yanmar Zinc
fits: Yanmar 2QM20, 3QM30, 3QM30, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3HM, 2QM15, Y
$6.58
Buy on ↗
Yanmar Zinc Gasket
fits: Yanmar 2QM20, 3QM30, 1GM, 3QM30, 1GM10, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3
$3.56
· $5.00 ↗
Zinc Plug Washer
fits: Yanmar 2QM20, 3QM30, 3QM30, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3HM, 3HM35, 2
$2.42
· $21.95 ↗

Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.

Sailboats with Yanmar YSB8(1)

MIRAGE 27 (SCHMIDT)

Mirage Yachts Ltd (CAN) · 27.17ft · 1975