Crankshaft Assembly 4178

Crankshaft Assembly 4178Stroker CrankshaftFactory assembled and trued to OEM specifications Drop in replacement crankshaft requires no modification unless noted CNC machined and dynamically balanced to suit the increased stroke Add +2. 00 mm to +4. 00 mm of stroke depending on application Uses stock piston unless noted Main bearings not included Can be matched with Cylinder Works Big Bore cylinders to get significant displacement and horsepower gains Not re buildable as the

retaining nut and gasket)

Full premium leather main and mesh chassis construction

Features the Diablo Rosso™ III patented "flash" tread pattern design for optimal wear and water drainage

The protective layer left behind smooths out scratches and protects the paint from the weather

Let a rider and his bike reach their full potential without sacrificing mileage

YZ 250 FX Enduro

Inner leather trim made from non-irritating and nylon and perforated leather

MC450F (2021-2022)

Hot Rods uses the latest in caged needle roller bearing designs for high RPM longevity

approximately 1/2" shorter than OEM

500 EXC-F Six Days (2020-2022)

creating a spring effect that guarantees seal will not diminish over time