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• 

  Hot Rods 4 MM Stroker Crankshaft, Banshee

  $675.00

  Banshee (’87-’06)(+4mm stroke) with +5mm longer rods; Produces up to 403ccFactory welded, trued, and balancedImportant: Requires Vertex Long Rod pi…

  Product Overview
  High-performance stroker crankshaft engineered for the Yamaha Banshee 350, designed to increase stroke by 4mm over OEM specifications. Built using aerospace-grade forged steel and CNC-machined for extreme durability, precision fitment, and smooth high-RPM operation in both stock and aftermarket engines.
  Technical Specifications
  Stroke Increase	+4 mm over OEM
  Material	Aerospace-grade forged steel alloy
  Manufacturing	CNC-machined, precision heat-treated
  Weight	Approx. 4.5 lbs (varies slightly by batch)
  Balance	Dynamic balancing for smooth operation
  Compatibility	Yamaha Banshee 350 (1987–2006), stock and aftermarket engines
  Spline Count	OEM specification for perfect clutch fitment
  Tolerance	±0.01 mm for exact fit
  Warranty	Limited manufacturer warranty on defects
  Packaging	Includes new crankshaft bearings and seals

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• 

  YZ345-CEO-KIT

  $1,100.00

  Product Overview
  Technical Specifications
  Product Type	Cylinder Conversion Kit
  Manufacturer	CEO (CR Conversion Engineering)
  Application	Yamaha Banshee 350 (2005–2007)
  Donor Platform	Honda CR250
  Displacement	325cc per cylinder (650cc total twin-cylinder)
  Engine Type	2-Stroke, Twin Cylinder
  Material	CNC-machined aluminum alloy
  Bore Diameter	Oversized for increased displacement
  Fitment	Direct bolt-on, compatible with stock crankcase and heads
  Weight	Lightweight design for improved power-to-weight ratio
  Heat Management	Enhanced cooling due to aluminum construction
  Installation	Includes cylinders, gaskets, seals, and instructions
  Performance Focus	Increased torque, horsepower, and throttle response

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