Crankshaft Ottopuntouno crankcase 8.1 Fireblade stroke 47mm connecting rod 100mm d=84mm

Ottopuntouno Crankshaft c.47 b.100 Ø84 8.1 Fireblade crankcase 

From the Italian manufacturer Ottopuntouno, we present the Crankshaft 8.1/R-18 Stroke 47 with Connecting rod 100 Ø84 (for oversized 100cc) for 8.1 “Fireblade” and Polini PRE crankcases with oversized diameters.

Manufactured in high-strength steel and high inertia with tungsten inserts, connecting rod forged in special steel.

Technical specifications:

• Stroke: 47 mm 

• Connecting rod: 100 mm

• Outer diameter: 84 mm

• Shoulder width: 45 mm

• Bearing pack width: 46mm 

• Bearing diameter: 25 mm

• Piston pin: 14mm

• Crankshaft pin: 18 mm

• Needle bearing: 14x18x16

• Weight: 2.05 kg

Product manufactured in Italy.

*Products intended exclusively for competitions. The manufacturer declines all responsibility for improper use.