Polaris Outlaw 90 Piston Sets - Wiseco - Forged Series, 49.00 mm Bore, 10.5:1 CR ('07-'14) is a complete replacement piston kit designed for the Polaris Outlaw/Sportsman 90 models from 2007–2014. This Wiseco Forged Series kit provides a direct-fit option built for 4-stroke small-displacement applications.

Developed from forged aluminum, this piston set balances strength and service life for everyday use and moderate performance builds. The kit includes the piston, wrist pin, rings, and circlips so you have everything required for a standard install. The 49.00 mm bore and 10.5:1 compression ratio match the factory and common rebuild specifications for the Outlaw 90 and similar models, making it a reliable choice for enthusiasts looking to maintain or refresh engine reliability without guessing compatibility.

Features

• Forged aluminum piston for improved strength and wear resistance
• Complete kit: piston, wrist pin, rings, and circlips included
• 49.00 mm bore sized to fit Polaris Outlaw/Sportsman 90 ('07-'14)
• 10.5:1 compression ratio matched to common rebuild specs
• Designed for 4-stroke ATV and UTV small-displacement applications

If you have questions or need advice on fitment or installation, call us directly—our techs can help. We offer installation and customization services at both of our locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to speak with a specialist or to schedule service. If you are considering purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov