Product description

The Wossner Piston kit For Yamaha YFZ450 2012-2014 Standard Size A is part of the latest collection from Wossner.

Features:

• Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
• Lightweight piston with a tight piston wall clearance for a quieter running engine
• Skirt coated for reduced friction and improved break in performance
• Ring land treatment for improved ring seal and oil control
• Double bridged forging design where noted
• Kit includes piston, rings, wrist pin and pin locks
12.0:1 CR '06-'09 YFZ450 carb. 12.3:1 CR ''12-'13 YFZ450 carb. 12.3:1 CR '09-'13 YFZ450R EFI. 12.3:1 CR '10-'11 YFZ450X EFI. 12.5:1 CR '17 YFZ450 EFI. 12.5:1 CR '14-'24 YFZ450R EFI. 12.6:1 CR '04-'05 YFZ450 carb. 62.00 mm stroke for '04-'05. 63.40 mm stroke for '06-'24. Kit Includes: • Piston #8784DA • Ring Set #RIK95.00 • Wrist Pin #WP029-SP • Retaining Clips #CW20

Specifications:

• Bore - Oversize Metric: Standard
• Bore - Oversize: Standard
• Bore Size: 95.00 mm
• Compression Ratio Imperial: 12.0
• Compression Ratio: 12.0
• Engine Type: 4-Stroke
• Model: Pro Series
• Piston Material: Aluminum Alloy| Forged
• Piston Size Metric: 94.95 mm
• Piston Size: 94.95 mm
• Product Name: Piston Kit
• Stroke Length: 62.00 mm| 63.40 mm

To fit:

• YAMAHA YFZ 450 BB 2006 Bill Ballance Edition American Models
• YAMAHA YFZ 450 BB 2007 Bill Ballance Edition American Models
• YAMAHA YFZ 450 RSE 2012 Special Edition European Models
• YAMAHA YFZ 450 RSE 2013 Special Edition European Models
• YAMAHA YFZ 450 RSE 2014 Special Edition European Models
• YAMAHA YFZ 450 RSE 2015 Special Edition European Models
• YAMAHA YFZ 450 RSE 2016 Special Edition European Models
• YAMAHA YFZ 450 RSE 2017 Special Edition European Models
• YAMAHA YFZ 450 RSE 2018 Special Edition American Models
• YAMAHA YFZ 450 R 2009 American Models
• YAMAHA YFZ 450 R 2010 American Models
• YAMAHA YFZ 450 R 2011 American Models
• YAMAHA YFZ 450 R 2012 American Models
• YAMAHA YFZ 450 R 2012 European Models
• YAMAHA YFZ 450 R 2013 American Models
• YAMAHA YFZ 450 R 2013 European Models
• YAMAHA YFZ 450 R 2014 American Models
• YAMAHA YFZ 450 R 2014 European Models
• YAMAHA YFZ 450 R 2015 American Models
• YAMAHA YFZ 450 R 2015 European Models
• YAMAHA YFZ 450 R 2016 American Models
• YAMAHA YFZ 450 R 2016 European Models
• YAMAHA YFZ 450 R 2017 American Models
• YAMAHA YFZ 450 R 2017 European Models
• YAMAHA YFZ 450 R 2018 American Models
• YAMAHA YFZ 450 R 2019 All Models
• YAMAHA YFZ 450 R 2020 All Models
• YAMAHA YFZ 450 R 2021 All Models
• YAMAHA YFZ 450 R 2022 All Models
• YAMAHA YFZ 450 R 2023 All Models
• YAMAHA YFZ 450 R 2024 All Models
• YAMAHA YFZ 450 R 2025 All Models
• YAMAHA YFZ 450 SP2 2008 Special Edition 2 American Models
• YAMAHA YFZ 450 SP 2006 Special Edition American Models
• YAMAHA YFZ 450 2006 American Models
• YAMAHA YFZ 450 2007 American Models
• YAMAHA YFZ 450 2008 American Models
• YAMAHA YFZ 450 2009 American Models
• YAMAHA YFZ 450 2012 American Models
• YAMAHA YFZ 450 2012 European Models
• YAMAHA YFZ 450 2013 American Models
• YAMAHA YFZ 450 2013 European Models
• YAMAHA YFZ 450 2014 European Models

Manufacturer part number: 8784DA

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Contents

Your package will include the following:

• 1 X Wossner Piston kit For Yamaha YFZ450 2012-2014 Standard Size A