Banshee

The Yamaha Banshee is by far the most popular and most highly modified ATV platform to exist!  And thus has the most highly diverse following and uses in the market from flat track, TT, both sand and asphalt drags and hill climbs, there are also road coarse prepped quads as well.  No matter what it is you are looking for we can help you, the sky is the limit.

Blueprint

  • Basic Blueprint rebuild of the stock engine. What Yamaha should have done.
  • Intakes
  • All ports
  • Tunnels
  • Gasket match cylinders to top case
  • Exhaust port de-flash
  • Reed cages
  • True and Weld crank (extra)
  • Set proper squish clearance

Phase I

  • Intakes Cleanup
  • Port Specs to suit
  • Minimum required port spec to tunnel porting
  • Gasket match cylinders to top case
  • Match and polish exhaust port to exhaust pipe manifold
  • Deck cylinders / mill head to get proper squish clearance
  • True and Weld crank (extra)
  • Uses: Wiseco pistons NO piston modifications, TDR reeds in stock blueprinted reed cages or client preferred reed cages – V-Force, Boysen, etc. extra. Stock intake boots.
  • Recommend 28-32mm carburetors

Phase II

  • WP intake modification and cleanup
  • Port Specs to suit
  • Full tunnel cleanup
  • Gasket match cylinders to top case
  • Match and polish exhaust port to exhaust pipe manifold
  • Deck cylinders / mill head and re-cut squish band for higher compression and proper squish clearance
  • True and Weld crank
  • Uses: Wiseco fully balanced pistons, TDR reeds in stock blueprinted and polished reed cages or client preferred reed cages – V-Force, Boysen, etc. extra. Stock intake boots.
  • Recommend 28-34mm carburetors

Phase III

  • WP intake modifications cleanup and polish
  • Port Specs to suit
  • Full tunnel cleanup and polish
  • Boysen ports through the intakes
  • Gasket match cylinders cleanup and polish
  • Match and polish exhaust port to exhaust pipe manifold
  • Deck cylinders / aftermarket billet head and custom domes with proper squish band for higher compression and proper squish clearance
  • True and weld crank
  • Uses: Wiseco fully balanced pistons, TDR reeds in stock WP modified reed cages or client preferred reed cages – V-Force, Boysen, etc. extra. Polished intake boots.
  • Recommend 32-36mm carburetors

WP is a licensed dealer for all Cheetah Cub and their derivations.