Wiseco Crankshaft Kit — Yamaha YZ250

Not for '24 Yamaha YZ250/X models.

Kit Includes:

• Crankshaft Assembly

• Bottom End Gasket #WB1051

• Main Bearing #B5011

• 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
• Corrosion-resistant surface treatment
• 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
• Kit includes crankshaft assembly, main bearings, and bottom-end gasket kit

Displacement

250 cc

Type

Bottom End

Material

Steel

Units

Kit

Riding Style

Off-Road

Stroke Length

72.00 mm

Shipping weight

12.16 lb

Package size

19.1 × 11.4 × 7.7 in

Country of origin

China

Salto part #

0921-0097

Wiseco part #

WPC134

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Is it in stock?

Yes — it’s in stock right now. We check again the moment you order, before anything is charged.

How fast will it get to me?

Usually 2–4 business days by ground.

Will it fit my machine?

It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.

Is this genuine Wiseco?

Yes. It’s new and genuine, straight from Salto — Wiseco part #WPC134.