Wiseco Racer Elite ArmorGlide Top End Kit - Yamaha YZ250 2-Stroke 66.40mm (2002-2022)
Premium ArmorGlide Coated Top End Rebuild Kit
Wiseco Racer Elite top end kit with ArmorGlide skirt coating for Yamaha YZ250 2-stroke. Advanced coating reduces friction and wear for longer life and better performance. Complete rebuild kit with everything you need.
Why Wiseco ArmorGlide Kits
✓ ArmorGlide skirt coating – reduced friction
✓ Longer piston life
✓ Better performance
✓ Complete top end rebuild kit
✓ Race-proven design
✓ Complete gasket kit included
✓ Premium components
What's Included
✓ Wiseco Racer Elite forged piston with ArmorGlide coating (66.40mm std bore)
✓ High-performance piston rings
✓ Wrist pin and circlips
✓ Complete top end gasket kit
✓ All seals and o-rings needed
Does It Fit?
✅ **Yamaha YZ250 2-Stroke** (2002-2022)
✅ **Yamaha YZ250X** (2016-2022)
Quick Specs
Part #: PK1704
Bore Size: 66.40mm (standard)
Type: Racer Elite with ArmorGlide coating
Compression: Stock ratio
Weight: 1.44 lbs
ArmorGlide Skirt Coating Technology
**Advanced Dry Film Coating:**
- Reduces friction between piston and cylinder
- Extends piston and cylinder life
- Reduces wear during break-in
- Better cold-start protection
- Quieter operation
**Performance Benefits:**
- Less friction = more power
- Longer piston life
- Faster break-in
- Better reliability
Premium Racer Elite Design
**Dedicated Forgings:**
- Aerospace alloy construction
- Superior strength-to-weight ratio
- Optimized for each application
**Race-Proven:**
Used by championship teams in Supercross, Motocross, and GNCC racing
High-Performance Components
**Premium Ring Kit:**
- Extended ring life
- Sustained power delivery
- Excellent sealing
**Complete Gasket Kit:**
- All top end gaskets
- All seals and o-rings
- Premium materials
📦 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.