Crankshaft Ø (mm): 25,4. Crankshaft length (mm): 80. Crankshaft arrangement: Vertical. Crankshaft type: Cylindrical. Series/model: 3130 Intek OHV / 21R8. Starter: Recoil starter (manual starter) + E-starter. Heavy flywheel: yes. Silencer: yes. Read more.