Wiseco High-Performance Forged Piston Kit with Gaskets - Yamaha YZ450F / WR450F / YZ450FX (2014-2018) - 97.00mm Bore
Wiseco High-Performance Forged Piston Kit with Gaskets - Yamaha YZ450F / WR450F / YZ450FX
Premium Wiseco forged piston kit with complete top-end gasket set for your Yamaha 450cc 4-stroke. Everything you need for a professional top-end rebuild in one convenient package.
⚠️ Important: Nikasil Cylinder
This piston kit fits Nikasil bore cylinders only. Verify your cylinder type before ordering.
Kit Includes
- Wiseco Forged Piston (#40111M09700) - Premium 2618 aluminum alloy with ArmorGlide® skirt coating
- Ring Set (#9700ZS) - Wiseco performance rings
- Wrist Pin (#708-2050-16-93C)
- Wrist Pin Retainer Set (#CW18)
- Top End Gasket Kit (#W6691) - Complete gasket set for top-end rebuild
Key Features
- Premium forged 2618 aluminum alloy construction
- ArmorGlide® skirt coating for reduced friction and extended life
- Complete top-end gasket kit included
- High compression 12.5:1 ratio for maximum performance
- Pistons, rings, wrist pins, and circlips for one complete engine
- Designed for Nikasil bore cylinders
Important Notes
- Fits Nikasil bore cylinder only
- Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
- Wiseco pistons can be fitted only with Wiseco rings
- Cylinder sleeves must be purchased separately if needed
Piston Specifications
- Bore Size: 97.00 mm (Standard)
- Piston Diameter: 96.95 mm
- Stroke Length: 60.80 mm
- Compression Ratio: 12.5:1
- Material: 2618 Aluminum Alloy
- Skirt Coating: ArmorGlide®
- Style: Forged Series
Engine Specifications
- Displacement: 449cc
- Engine Type: 4-Stroke
- Weight: 1.75 lbs
Fitment
Yamaha Motocross:
- YZ450F: 2014-2017
Yamaha Off-Road/Enduro:
- WR450F: 2016-2018
- YZ450FX: 2016-2018
Why Wiseco?
Wiseco is the gold standard in forged pistons. Their 2618 aluminum alloy pistons are designed for high-performance applications where strength and durability are critical. The ArmorGlide® skirt coating reduces friction and wear, extending piston life while improving performance.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
