Yanmar 1GM - Service Manual - Chapter 1-6
Engine Cross-Section - Front

2. Cylinder body	12. Mixing Elbow	17. Piston	27. Anticorrosion zinc
7. Valve rocker arm support	13. Camshaft	18. Connecting rod	30. Fuel Injection nozzle
8. Valve rocker arm	15. Tappet	23. Oil pan	31. Fuel feed pump
9. Precombustion chamber	16. Push rod	24. Dip stick	34. Starter motor
10. Decompression lever