Yanmar SYP12
1980–199012 HP1-cylinderdiesel
Dieselraw water cooledsaildrive
Single-cylinder with integrated saildrive. Used in C&C 27 and other boats.
Specifications
| Power | 12 HP @ 3,600 RPM | Cylinders | 1 |
| Displacement | 318 cc (19.4 ci) | Bore x Stroke | 75 x 72 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Saildrive |
| Weight | 58 kg (128 lb) | Fuel Use | 2.25 L/hr |
Parts for the Yanmar SYP12
4 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 (1)
- Buy onRaw water pump impeller (flexible rubber) for Yanmar single-cylinder YS-family 0.510L block (the SYP12/YSB12/YSM12/YSE12/SB12/SVE12 12HP single). Water-pump service part.fits: Yanmar 104211-42071 (supersedes 104211-42070); fits 2GM,3GM,2QM15,SB8,SB12,SVE8,SVE12,YSB8,YSB12,YSE8,YSE12,YSM8,YSM12
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Fuel System (1)
- Buy onSecondary fuel filter element for Yanmar single-cylinder YS-family (SYP12/YSB8/YSB12/YSM12). Cross-ref CH15553.fits: Yanmar 104500-55710; cross CH15553 / 18-79960; fits YSB8, YSB12, YSM12, SB12 ↗
Belts (1)
- SearchV-belt (fan/water pump drive belt) listed exclusively for the Yanmar single-cylinder YSM8 and YSM12 (same 0.510L block as SYP12 12HP single).fits: Yanmar 104271-77350; fits Yanmar YSM8 and YSM12 only →
Anodes (1)
- Buy onEngine pencil zinc anode (20mm dia x 30mm, M8 thread) for Yanmar single-cylinder YS-family (SYP12/YSB8/YSB12/YSM8/YSM12).fits: Yanmar 27210-200300; Sierra 18-6201; Martyr CM272100200300Z; fits YSB8, YSB12, YSM8, YSM12, 2GM, 3GM ↗
Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.
