YFZ505R/X Stealth Big Bore/Stroker

Please call to order 608-842-0680

Availability: In stock.



Quick Overview

YFZ505R/X STEALTH Specifications:
Fits 2009-Current YFZ450R


Choose Option:

We modify your cylinder

Exchange cylinder and crankshaft: call for price

“Bolt on” – Includes cylinder and crankshaft: call for price

Installed and Blueprinted: $ 500.00


Product Description

Bore: Yes

Stroke: Yes

Actual Displacement = 505.46cc


Engine Modifications Included:

Cylinder: OEM Cylinder bored and plated with Nickle Ceramic coating

Fuel Required: 100 octane

Piston/Crankshaft: Custom 13.5:1 Stroker CP Piston

Head: No modification required

Crankcase: No modification required


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