SD20 Yanmar
Yanmar
Ref. SD20
The Yanmar SD20 is a saildrive for the 1GM10C, 2YM15, 3YM20 and 3YM30 engines, with a constant-mesh gear and dog clutch, 2.64:1 reduction ahead and astern and oil-bath lubrication (2.2 L standard, 2.5 L long-reach). Propeller shaft turns counterclockwise viewed from stern (left-hand propeller); a propeller with rubber bushing must be used. Dry weight 30 kg. Rubber diaphragm hull seal with seal sensor. Superseded by the SD25.
Characteristics
Hover any value for notes and sourcesWaterproof Seal
Yes
Gear Ratio
2.64
Rating
Light Duty / High Output / Pleasure Duty
Forward Direction
Left-Hand
Weight
30KG
Torque Capacity
—
Nm
Cooling System
—
Material
Aluminium
Dimensions
—
Certifications
—
Sources
1 citedMaintenance schedule
8 tasks · 5 intervals| Task | After 50h | Every 1yr | Every 5yr | Every 100h | Every 2000h |
|---|---|---|---|---|---|
| Change Change Gearbox Oil | |||||
| Inspect Check cable connections | |||||
| Inspect Inspect engine mounts visually | |||||
| Inspect Check for corrosion | |||||
| Inspect Inspect there is no clogging, that filters are clean | |||||
| Inspect Inspect Sail Drive Bellows | |||||
| Test Test Alarm | |||||
| Inspect Inspect the anodes and change them of necessary |