Camshaft/Camshaft 31. Install flywheel (E). (See Group 20 in this manual.) 32. Install intake and exhaust valves (D). (See Install intake and Exhaust Valves, Group 15 in this manual.) 33. Install cylinder heads (C). (See Install Cylinder Heads, Group 10 in this manual.) 34. Install intake manifold (B). (See Install Intake Manifold, Group 10 in this manual.) 35. Install engine. (See machine technical manual.) A—Muffler and Exhaust Pipes B—Intake Manifold C—Cylinder Heads D—Intake and Exhaust Valves E—Flywheel 25 18 M36474 -UN-29JAN90 M98,2025K,41 -19-10FEB85 CTM2 (19APR90) 25-18 16, 18, 20 & 24HP Onan Engines AllTractorManuals.com 130495