Yamaha 1SM-E16A0-T1-00 - GYTR YZ250F/YZ250FX High Compression Piston is a performance accessory kit that includes piston rings, piston pin, and clips for select Yamaha motocross models.

Product Overview

• Yamaha part number: 1SM-E16A0-T1-00
• Product name: GYTR YZ250F/YZ250FX High Compression Piston
• Product type: Accessory
• Product category: Performance
• Supported vehicle families: WR250F, YZ250F, YZ250FX
• Listed model years: 2014-2027
• Listed configurations: 3

Product Details

The kit boosts engine compression ratio to 14:1, includes piston rings, piston pin, and clips (uses stock replacements), and requires a minimum 100-octane racing fuel.

Fits These Yamaha Models

Yamaha Model	Compatible Years
YZ250F	2014, 2015, 2016, 2017, 2018, 2019
WR250F	2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
YZ250FX	2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027

Frequently Asked Questions

What is Yamaha part 1SM-E16A0-T1-00?

1SM-E16A0-T1-00 is the Yamaha GYTR YZ250F/YZ250FX High Compression Piston, a performance accessory kit for select Yamaha motorcycles.

What type of Yamaha part is 1SM-E16A0-T1-00?

1SM-E16A0-T1-00 is an accessory designed to boost engine compression and improve performance in Yamaha off-road motorcycles.

Which Yamaha models fit 1SM-E16A0-T1-00?

This piston kit fits WR250F, YZ250F, and YZ250FX models from model years 2014 to 2027. Confirm the exact SKU and model year before ordering.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.