Wiseco Top & Bottom End Rebuild Kit

Fits: 1988-2006 Yamaha YFS200 Blaster 67.50 mm bore (.060" Overbore)

Top End:
2-stroke kits feature Pro-Lite™ pistons that are CNC machined for optimal cam shape and profile for peak HP and service life.
Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more.
Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
Specs:
Displacement: 204cc
Bore - Standard: 66.00mm
Bore - Actual: 67.50mm
Bore - Oversize: 1.50mm
Stroke: 57.00mm
Cylinders: 1
Note: Pro-Lite

Contents:
2658CD - 67.50 MM RING SET
573M06750 - YAM YFS200 BLASTER PRO-LITE 2658CD
B1005 - TOP END BEARING 16 X 21 X 22.5mm
CW16 - ROUND WIRE PIN LOCKS 16MM (PAIR)
GS486 - PIN-16MM X 2.1752 -UNCHROMED-*2 CY
W5232 or alternate - GASKET KIT-YAM YSF200 BLASTER 88-06

Bottom End:

  • Each kit contains everything you need to complete your rebuild the right way, the first time- crankshaft and connecting rod, all applicable bearings, and complete bottom end gasket kit made to meet or exceed OEM.
  • Wiseco connecting rods are double forged from a dedicated forging and feature shot peening, oil slots, and coated bronze thrust washers.
  • Bottom end gasket kits are made from premium materials, exceeding OEM standards, to provide exceptional seal between critical mating surfaces.
  • Main bearings are manufactured to the highest quality standards. Each is case hardened for maximum life and smooth operation at high RPM’s.
  • Corrosion resistant surface treatment to prevent corrosion and pitting over long term use or storage. This will add to the life as well the strength of the assembly.
  • Top end of rod is bushed for oil retention and eliminates pin galling. The bottom end rod bores are case hardened to 58-62 RC to optimize bearing running surface.
  • The crank pin bearings are manufactured from the highest quality, hot rolled steel case hardened to 58-62 RC to extend the lifetime of the assembly.
  • Caged needle roller bearings to provide the highest possible RPM.


Questions?
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