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article NOTE: Image is for reference only, actual product may vary slightly depending on your specific application.

Wiseco Piston Pro-Lite 2.00mm Over 89.00mm #546M08900 for Yamaha YZ490 1984-1990

Product Details

  • Dedicated forging
  • Superior strength/weight ratio utilizing Aerospace alloy
  • Race proven designs
  • Chosen by top race teams, in all forms of racing
  • CNC machined
  • Optimal cam shape and profile for peak HP and service life
  • Precision machined, highest quality materials for strength and reduced friction
  • High-performance ring set
  • Extended life and sustained power
  • Highest quality, alloy pin
  • Consistently true and durable
  • All Wiseco piston kits include 1 piston, 1 ring set, 1 wristpin and 2 circlips. Unless otherwise noted, top-end bearings, gaskets, and sleeves are not included.
  • Note: All kits cover a single cylinder only
  • Wiseco piston kits are sold by application and bore size. To ensure you receive the correct piston kit for your application, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please email us.
Wiseco Part#: 546M08900
Product Type: Single Pistons

Specifications:

Bore - Standard: 87.00mm
Stroke: 82.00mm
Displacement: 499cc
Bore - Actual: 89.00mm
Bore - Oversize: 2.00mm

Item Contents:

3504TD - 89.00 MM RING SET
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR)
S277 - PIN-18MM X 2.5787"-UNCHROMED 2&4 CY

Fit Guide

Model
Piston
Country of Origin
USA
Number of Pistons Included
1 Piston(s)
Piston Type
Pro-Lite
Size Over Standard
2.00mm Over Stock

Product Fitment

This item fits the following applications:

Yamaha YZ490 1984-1990