Wiseco Top  Bottom End Engine Rebuild Kit


Fits: 2005-2021 Yamaha YZ125 (Stock) 54.0mm bore

Match complete engine rebuild kit from top to bottom, hassle free direct bolt in same as factory equipment

Matched - Wiseco Top End and Wiseco Bottom End Kits

Hassle Free, direct bolt in equipment, no machining or boring required. Top and Bottom End with complete gasket kit

Includes piston kit, complete crankshaft assembly, main crank bearings, and full gasket kit. Complete top to bottom engine rebuild

Top End: Wiseco Forge Performance Piston Kit
Wiseco PK1571
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.

Contents:
 
  • 2126CS - 54.00 mm Ring
  • 845M05400 - Yamaha YZ125 '05-21 ProLite 2126CS
  • B1001 - Top End Bearing 15 x 19 x 17.3mm
  • CW15 - 15mm Round Wire Locks - Set of Two
  • Ring - Set
  • S668 - PistonPin 15 x 47mm ID NonChromed TW
  • W6331 - TopEnd Gasket Kit Yamaha YZ125 '05-21

Bottom End: Wiseco WPC163

  • 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.



If any questions please message through ebay. We will respond Mon-Fri 9am-5pm
Click link below for our eBay store


Terms of Sale:
This item will ship same business day (Monday-Friday)

Shipping Details:

Buyer pays fixed shipping costs. Delivery Time: Allow 1-4 business days for delivery of items in the continental United States.


SHIPPING:

Most fixed shipping and free shipping rates on eBay ads only apply to the lower 48 states. Shipments to Alaska, Hawaii, APOs, Puerto Rico, Guam and international locations may have additional shipping costs and delays. Some items can not be sent to California or may have delayed shipping. Please contact us for more information. Many of our products are shipped via USPS. Please be aware that USPS does not always scan their packages so the tracking number may not have any information until it is delivered. Our parcels are picked up by USPS the same date or the next postal service day that the tracking number shows being generated. Also, many of our items are drop-shipped directly from our suppliers and not from our store location in Dayton, OH.

COMBINED SHIPPING DISCOUNTS: 

For multiple quantities of the same item, just change the quantity in the box next to "Buy It Now" and eBay will automatically calculate the discount. For combined orders with different items, use "Buy it Now" and then "continue shopping" on each item and then prior to completing the payment, use the "request a total from seller" link in checkout and we will adjust the shipping total and send you a new invoice. If multiple item numbers are purchased and paid without using "request a total from seller", a combined shipping discount will not be offered in a refund form. Multiple items must be paid in a single payment in order to qualify for a shipping discount.


EBAY LISTING: 

At Apex Racing Inc., we strive to make our eBay ads complete and accurate. Most pictures shown are provided by the product's manufacturer and may be generic to cover many models of vehicles. Some items may have a slightly different appearance than what is shown in the picture. Please review the entire description to verify proper fitment.