Crankshaft Bottom Kit 03-13 WRF250, Wiseco WPC141 Yamaha

Description

YAMAHA
WR250 2003 - 2013,

Wiseco Crankshaft w/Bearing and Gaskets - WPC141

Precision-trued to OEM specifications and factory assembled Connecting rods are double-forged to maintain superior dimensional consistency through improved grain flow Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces Corrosion-resistant surface treatment 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 increase oil retention and reduce friction between rod and washer interface Crank pin bearings are manufactured with the highest-quality hot-rolled steel -- case hardened to 58-62 RC

Part No. 56-225.WI.CBK / 56-225.WI.WR250 (radhouse.co.uk)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
YAMAHA WR F 250 2003-2013
YAMAHA WR F 250 2003-2009
YAMAHA WR F 250 2010-2013
YAMAHA WRF 250 2003-2013

Crankshaft Bottom Kit 03-13 WRF250, Wiseco WPC141 Yamaha

Product form

YAMAHA WR250 2003 - 2013, Wiseco Crankshaft w/Bearing and Gaskets - WPC141 Precision-trued to OEM specifications and factory assembled Connecting... Read more

2 in stock 1-2 business days

£606.08 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 56-225.WI.CBK

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    YAMAHA
    WR250 2003 - 2013,

    Wiseco Crankshaft w/Bearing and Gaskets - WPC141

    Precision-trued to OEM specifications and factory assembled Connecting rods are double-forged to maintain superior dimensional consistency through improved grain flow Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces Corrosion-resistant surface treatment 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 increase oil retention and reduce friction between rod and washer interface Crank pin bearings are manufactured with the highest-quality hot-rolled steel -- case hardened to 58-62 RC

    Part No. 56-225.WI.CBK / 56-225.WI.WR250 (radhouse.co.uk)

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    YAMAHA WR F 250 2003-2013
    YAMAHA WR F 250 2003-2009
    YAMAHA WR F 250 2010-2013
    YAMAHA WRF 250 2003-2013

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa