Wiseco Crankshaft Assembly for Yamaha YZ125. This item fits the following models. Crankshaft kits include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job. Only one part number to stock and order. Crankshafts are factory assembled and precision trued to OEM specifications.
Double-forged Wiseco connecting rods maintain superior dimensional consistency through improved grain flow. Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces. Top and bottom end rod bores case hardened to 58-62 RC to optimize bearing running surface.Crank pin bearing radial running clearance is optimized to ensure maximum performance. Precision honing ensures ultra round bearing surface. Precision engineered oiling slots maximize rod strength and bearing life.
Double-drilled small ends provide the piston pin with extra lubrication and cooling, reducing distortion of top end due to thermal transfer from the piston. Silver-coated bronze phosphor thrust washers, with dimpled design to increase oil retention and reduce friction between rod and washer interface. Crank pin bearings are manufactured from the highest quality hot rolled steel; case-hardened to 58-62 RC. Caged needle roller bearings provide the highest possible rpm. Wiseco complete gaskets kits are made from premium materials for maximum sealing and reliability; all bearings are OEM-quality for reliability and performance.Connecting rod kits come complete with rod, crank pin, crank pin bearing, top-end bearing and thrust washers. We do not mark items as "gifts". If your tracking information states'Delivered', but you have not yet received your package you should. A doorstep, front porch, back porch, garage, window, etc. (A well-meaning neighbor might have taken your package inside their house for safekeeping or for protection against the weather).
Wait 24 hours (in rare cases tracking may say delivered up to 24 hours prior to arrival). We understand that such delays can be very inconvenient when they occur, but we do not have any influence over such situations. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Engines & Engine Parts\Engine Rebuild Kits & Components". The seller is "oemcycles" and is located in this country: US.This item can be shipped worldwide.