Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption
2-stroke pistons have an 18% silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan
4-stroke pistons are forged from either 2618 or 3032 alloys for superior strength and durability
High-tech Molybdenum Disulphide (MOS2) skirt coating for reduced wear and improved break-in
All piston kits include piston, rings, wrist pin, and circlips
Cast and Forged Replica pistons are OE replacements with stock OE compression ratios
Product Note:
Specification
Details
Bore
54 mm
Country of Origin
USA
Displacement
125cc
Material
Aluminum
Piston Diameter
53.95mm
Piston Type
Cast
Size
B
Size Over Standard
Stock
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Yamaha
YZ125 2022-2024
Customer Reviews
As described
By Mike S. on
Verified Purchaser
As described, thank you.
Vertex Piston
By Joah P. on
Verified Purchaser
Overall amazing definitely ordering again.
Perfect
By Jeremy L. on
Verified Purchaser
Perfect
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Questions & Answers
Will this piston fit into the stock rod?
By Rc
Yes, unless otherwise noted after you select your machine on our website - all Vertex pistons are designed to work with all remaining stock components, including the connecting rod, on any machine you select from our fit guide.
Have a question? Please ask our experts and customers who own this product.
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