Wiseco Racers Elite Yamaha YZ85 02-20 1909CS Piston Kit
Wiseco Racers Elite Yamaha YZ85 02-20 1909CS Piston Kit
A$296.20
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Description
Wiseco Racers Elite Yamaha YZ85 02-20 1909CS Piston Kit
The most advanced forged 2-stroke piston available, the Racer Elite 2-Stroke series pistons feature 2000 series alloy, ArmorPlatingâ„¢ piston coating, ArmorFitâ„¢ skirt coating, dedicated forging, premium quality rings and superfinish piston pins.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:46:45
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: piston)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Wiseco, WISECO-PRO TRU |
| StreetFX SKU | wisRE900M04850 |
| SFX Item ID | 4068253 |
| Accounting SKU | wis-RE900M04850 |
| Manufacturer SKU | RE900M04850 |
| Manufacturer UPC | 193564138064 |
| Alternative References | RE900M04850, WIS-RE900M04850 |
Engine Piston, Racers Elite Yamaha YZ85 '02-20 1909CS
| Product Attributes | |
|---|---|
| Brand | Wiseco |
| Manufacturer's Part Number | RE900M04850 |
| Part Type | Powersports Piston and Ring Kits |
| UPC | 193564138064 |
| Piston Material | Forged aluminum |
| Bore (in.) | 1.909 in. |
| Bore (mm) | 48.500mm |
| Stroke | 47.80mm |
| Wrist Pin Style | Floating |
| Pin Diameter (in.) | 0.551 in. |
| Wrist Pin Retainers Included | Yes |
| Top Ring Thickness | 1.0mm |
| Top Ring Material | Steel |
| File Fit | No |
| Gapless | No |
| Gaskets Included | No |
| Quantity | Sold as a kit. |
| Manufacturer Attributes | |
|---|---|
| Piston Oversize | 1.00 |
| Product Series | 2 Stroke Racer Elite Series |
| Piston Material | 2618 |
| Piston Diameter | 48.44 |
| Bore Diameter | 48.50 |
| Product Market | Dirt Bike |
| Engine Type | ICE |
| Product Type | Piston Kits |
| Industry | Powersports |
| Included Components | Ring Set #1909CS, Wrist Pin #S517, CirClip #CW14 |
| Title | Wiseco 2 Stroke Racer Elite Piston Kit, 48.50 MM Bore |
| Title - Web | Yamaha YZ85 Wiseco Piston Kit - 48.50 mm Bore |
| Skirt Coating | Yes |
| Out of Stock Message | Estimated Shipped Date 3-4 Weeks |
| Category Hierarchy | Powersports>Pistons>Racer Elite |
| Manufacturer Designation | Racers Elite Yamaha YZ85 '02-19 1909CS |
| Product Class | Engine Piston |
| Construction/Type | Wiseco 2 Stroke Racer Elite Piston Kit, 48.50 mm Bore |
| Product Outline | <ul><li>Designed for full-race 2-stroke applications</li><li>Engineered, forged, and machined in the USA in Mentor, OH</li><li>First 2-stroke piston to be forged with 2000-series alloy, providing greater tensile strength</li><li>ArmorPlating surface treatment on crown, in ring groove and pin bores protext from harmful detonation, friction wear, and ring micro-welding</li><li>ArmorFit skirt coating conforms to the cylinder bore for optimized fitment, translating to optimized performance</li><li>High-quality ring(s), wrist pin(s), and circlips included</li></ul> |
| Vehicle Brief | Racers Elite Yamaha YZ85 '02-20 1909CS |
| Market Description | Wiseco's Racer Elite series forged 2-stroke pistons deliver industry-first 2-stroke piston design and technology to perform in even the most serious racing conditions. These are the first 2-stroke pistons to be forged from 2000 series alloy, providing even greater tensile strength. ArmorPlating surface treatment on the crown, in the ring groove(s), and in the pin bores protects from harmful operating conditions, while Wiseco's proprietary ArmorFit skirt coating conforms to the cylinder bore for optimized fitment and performance. For the serious 2-stroke rider and racer, Racer Elite is the only choice. |
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