YZ151 Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $1,950.00 Special Price: $1,650.00   Quick Overview YZ151 Specifications: Fits 1997-Current YZ125   Product Description Bore: Yes Stroke: Yes Actual Displacement = 150.55cc Engine Modifications Required: Cylinder: Bore, Port and...

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YZ167 Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $2,050.00 Special Price: $1,750.00   Quick Overview YZ167 Specifications: Fits 1997-Current YZ125   Product Description Bore: Yes Stroke: Yes Actual Displacement = 166.82cc Engine Modifications Required: Cylinder: Bore, Port and...

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YZ144 Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. $1,125.00   Quick Overview YZ144 Specifications: Fits 2005-Current YZ125 Call for bolt-on pricing   Choose option: Exchange your cylinder: $ 74.00 Installed and Blueprinted: $ 450.00 We modify your cylinder   Product...

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YZ139 Big Bore

Please call to order 608-842-0680 Special Price: $549   Quick Overview YZ139 Fits 1997-Current YZ125   Product Description Actual Displacement = 139.07cc Engine Modifications Included: Cylinder: Bore, Port and Plate. Power Valves: Precision machined to clear piston. Head: Re-chamber to...

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YZ134 Big Bore

Please call to order 608-842-0680 Special Price: $549   Quick Overview YZ134 Specifications:Fits 1997-Current YZ125 Product Description Actual Displacement = 134.23cc Engine Modifications Included: Cylinder: Bore, Port and Plate. Power Valves: Precision machined to match big bore ports. Head:...

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