Stroker crankshaft - Rods Yamaha

Assembled and aligned at the factory to OEM specifications
Direct replacement crankshaft, no modifications required unless otherwise stated
CNC machined and dynamically balanced to accommodate increased stroke
Adds +2.00 mm to +4.00 mm of stroke depending on application.
Uses original piston unless otherwise stated
Main bearings not included
Can be combined with Cylinder Works Big Bore cylinders for significant increases in capacity and power.
Not rebuildable, as the connecting rods are shorter than OEM.
Conrod side clearance: 0.45 mm - 0.85 mm.
Crankshaft increase of +4.00 mm with connecting rods +5.00 mm longer to reach up to 403 cc.
Requires long connecting rod Vertex pistons and Vertex gasket kit when using OEM cylinder heads.
The kit includes:
Crankshaft
Conrods
Crankshaft bearings
Labyrinth seal



Specifications


Brand
HOT RODS


Supplier reference
4111


Features
Standard crankshaft


Engine capacity
Up to 403 cc


Colour/finish
Steel


Stroke length
29,00 mm


Material
4140 Steel


Model
2-Cycle


Product name
Crankcase assembly


Type
Stroker


Units
Assembly