Crankshaft Ø (mm): 25,4. Crankshaft length (mm): 80. Crankshaft arrangement: Vertical. Crankshaft type: Cylindrical. Series/model: 7220 Series 7 Intek OHV V-Twin / 40N8. Starter: E-starter. Heavy flywheel: Yes. Silencer: No. Read more.