
3YM20
3YM20
3YM20-22 Marine Installation Manual - Volume 2
© 2007 Yanmar Marine International
Cold Starting Aids
The 3YM20 engine is not equipped with cold
starting aids.
Air Venting
The 3YM20 uses either a KM2P-1 marine gear or a
SD20 sail drive, so no venting device is needed.
Water Heater Tank Connection
The 3YM20 engine supports water heating tank
connections for onboard head and galley operation.
Figure - 20
Optional Accessories
The following is a list of the 3YM20 optional
accessories.
• New B-type panel (VDO)
• New extension wire harness (EWN3)
• Battery switch (BS500)
• Side-mount single control head (MORSE: MV)
• Top-mount single control head (MORSE: MT3)
• Push-pull control cable (MORSE: 33C) (RC4,
RC7)
• Propeller shaft half coupling, slit (CSG1)
• Propeller shaft half coupling, taper (CTG1,
CTG2, CTG3, CTG4)
• Propeller shaft half coupling, straight (CRG1)
• Lube oil evacuation pump (EPP1)
• Electric-type bilge pump, 12 V (BP1)
• Seacock (K1, K2)
• Fuel tank 30 L (8 gal) (FT1)
• Alternator, 12 V - 80A
• U-type, water mixing elbow
0002781
(1)
(2)
1. Water to Tank 2. Water from Tank
JUN 2006 (Rev. 1)
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