1GM Marine
Yanmar 1GM · 1GM family — specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
The Yanmar 1GM is a Yanmar-designed single-cylinder marine diesel (first-gen GM series source
first-gen GM 1-cyl raw-water; 7.5hp (toad model-ID); smaller CI than 1GM10 — bore/stroke verify
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
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- Category
- Marine
- Engine family
- 1GM
- Year range (approx)
- 1980–1983
- Cylinders
- 1
- Rated output
- 7.5 hp (5.5 kW)
- Max rpm
- 3600
- Aspiration
- Naturally aspirated
Related 1GM engines
Open the full interactive engine page → (specs, cross-references & parts).