What is the compression ratio of this piston?

This Carrillo Platinum Series piston features a 13.5:1 compression ratio. This higher compression can lead to improved power output and throttle response compared to stock.

Is this piston compatible with all YFZ450 models from 2004-2019?

Yes, this piston is designed to fit Yamaha YFZ450 and YFZ450R models within the 2004-2019 model years. It is a standard bore piston, so ensure it matches your engine's bore size.

Can this piston be shipped to California?

No, this piston is not CARB approved and cannot be shipped to California due to emissions regulations.

Carrillo Platinum Series Piston 13.5:1 STD Bore MX1P27-P

Name: Carrillo 04-19 Yamaha YFZ450/R Platinum Series Piston - STD Bore Piston - 13.5:1 Profiled Pin Bore
Brand: Carrillo
SKU: carrillo-carrillo-04-19-yamaha-yfz450-r-platinum-series-piston-std-bore-piston-1-t14-534227
Price: 449.47 USD
Availability: BackOrder

Carrillo 04-19 Yamaha YFZ450/R Platinum Series Piston - STD Bore Piston - 13.5:1 Profiled Pin Bore

$449.47

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Carrillo Platinum Series forged piston for 2004-2019 Yamaha YFZ450/R. STD bore, 13.5:1 compression.

Key Features

Fits 2004-2019 Yamaha YFZ450 and YFZ450R.
Standard bore size.
13.5:1 compression ratio.
Forged aluminum alloy construction for strength and light weight.
Profiled pin bore design to reduce stress and wear.
Carrillo Platinum Series piston.

This piston is designed for 2004-2019 Yamaha YFZ450 and YFZ450R models. Please verify fitment for your specific vehicle.

Secure CheckoutFast Shipping631-982-0042

Product Details

This is the Carrillo Platinum Series forged piston, designed for 2004-2019 Yamaha YFZ450 and YFZ450R models. It's a standard bore piston with a 13.5:1 compression ratio, intended to give your ATV's engine a notable boost in power and responsiveness. If you're looking to rebuild or upgrade your engine for improved performance, this piston is a solid choice.

Carrillo is known for making well-built engine components, and this piston is no exception. It's forged from high-strength aluminum alloy, which offers a good balance of light weight and durability needed for high-performance ATV engines. The profiled pin bore is a detail that helps reduce stress and wear on the connecting rod pin, contributing to longer engine life. This piston is built to handle the demands of a performance-oriented engine, offering a significant upgrade over stock components.

Keep in mind that this piston is not CARB approved and cannot be shipped to California. Ensure you check all manufacturer specifications and consider professional installation for best results.