Wiseco Piston 77.00mm 13.5:1 Yamaha YZ250F 2008-2011

Description

NOTE: Image is for reference only, actual product may vary slightly depending on your specific application.
Wiseco Piston 77.00mm 13.5:1 Yamaha YZ250F 2008-2011
Product Details
Dedicated forging
Light weight and superior strength
Dome design
Improved flame travel
Chrome plated piston pin
Reduced friction/scuff resistant
Horizontal slot pin oiling
Pressure seal groove
Maximum ring seal
Skirt coated Armor Glide
Dedicated rings
Maximum compression and oil control
Race-Ready dome finish
Smooth edges for improved combustion flow
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.
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#: 4952M07700
Product Type: Single Pistons
Specifications:
Bore - Standard: 77.00mm
Cylinders: 1
Bore - Oversize: STD
Displacement: 250cc
Bore - Actual: 77.00mm
Note: Nikasil Bore
Stroke: 53.60mm
Compression Ratio - Actual: 13.5:1
Dome Type: Domed
Item Contents:
7700XU - 77MM RING SET .9 X .8 X 1.5
CW16 - ROUND WIRE PIN LOCKS 16MM (PAIR)
S742 - Piston Pin- 16 x 9.91 x 41.91mm 9310
Fit Guide
Model
Piston
Bore
77.00mm
Compression Ratio
13.5:1
Country of Origin
USA
Number of Pistons Included
1 Piston(s)
Size Over Standard
Stock
Product Fitment
This item fits the following applications:
Yamaha
YZ250F 4-Stroke
2008
Yamaha
YZ250F 4-Stroke
2009
Yamaha
YZ250F 4-Stroke
2010
Yamaha
YZ250F 4-Stroke
2011
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