CRANKSHAFT BOTTOM KIT 05-07 CR250 WISECO WPC172 ASSEMBLY INC.GASKETS MAINS CRANK SEALS
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Wiseco Crankshaft Bottom End Assembly with Bearings and Gaskets WPC172. Precision-trued to OEM specifications and factory assembled. Connecting rods are double-forged. Shot-peening eliminates residual stresses. Corrosion-resistant surface treatment. Top and bottom end rod bores case hardened to 58-62 RC. Crank pin bearing radial running clearance is optimized. Precision honing ensures ultra-round bearing surface. Precision-engineered oiling slots. Double-drilled small ends provide piston pin with extra lubrication and cooling. Silver-coated bronze phosphor thrust washers with dimpled design. Crank pin bearings manufactured with highest-quality hot-rolled steel case hardened to 58-62 RC. Part number 56-183.WI.05-07.
- SKU
- 56-183.WI.05-07
- Brand
- Wiseco
- Availability
- In Stock (9)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| HONDA | CR 250 | 2002 |
| HONDA | CR 250 | 2003 |
| HONDA | CR 250 | 2004 |
| HONDA | CR 250 | 2005 |
| HONDA | CR 250 | 2006 |
| HONDA | CR 250 | 2007 |
- General Product Group
- Crankshafts & Parts
- General Product Type
- Crankshaft Bottom End Kits
- Variant Id
- 250184
FULL DESCRIPTION
Wiseco Crankshaft Bottom End Assembly with Gaskets
This Wiseco Crankshaft Bottom End Assembly is engineered for optimal performance and durability. Each component is meticulously crafted to meet stringent quality standards, ensuring your engine runs smoothly and efficiently.
Key Features:
- Precision-trued to OEM specifications and factory assembled for a perfect fit.
- Double-forged connecting rods ensure superior dimensional consistency through improved grain flow.
- Shot-peening process eliminates residual stresses and smooths rod forging surfaces.
- Features a corrosion-resistant surface treatment for enhanced longevity.
- Top and bottom end rod bores are case hardened to 58-62 RC, optimizing the bearing running surface.
- Crank pin bearing radial running clearance is precisely set to ensure maximum performance.
- Precision honing creates an ultra-round bearing surface for reduced friction.
- Engineered oiling slots maximize rod strength and extend bearing life.
- Double-drilled small ends provide extra lubrication and cooling to the piston pin, reducing thermal distortion.
- Includes silver-coated bronze phosphor thrust washers with a dimpled design for increased oil retention and reduced friction.
- Crank pin bearings are manufactured from the highest-quality hot-rolled steel and case hardened to 58-62 RC.
- This assembly includes essential gaskets for a complete installation.
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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