Piston Kit for 2 Stroke

Restore performance and reliability in your 2-stroke 250 TBi engine with the Wossner Standard Series piston kit (8169DC). Built from forged, aerospace-grade aluminum alloy and finished with a permanent skirt coating, this kit is designed to reduce friction and piston rock—helping your engine run quieter and more smoothly after a rebuild. With optimized machining for reduced weight while maintaining strength in critical areas (crown and skirt wall cross-section), it’s an excellent choice for riders who want durable, consistent performance on track or trail.

Fitment: Works on ’23–’25 Husqvarna TC 250 TBi, ’24–’25 Husqvarna TE 250 TBi, ’23–’25 KTM 250 SX TBi, ’24–’25 KTM 250 EXC TBi, ’23–’25 KTM 250 XC TBi, and ’23–’24 KTM 250 XC-W TBi models.

Key features:

• ✅ Permanent skirt coating helps reduce friction and piston rock for quieter operation
• ✅ Forged aerospace-grade aluminum alloy for strength and durability
• ✅ Optimized machining for a lightweight piston while keeping strength where it matters

Benefits of use:

• 🔹 Helps bring back crisp compression and stronger, more consistent power delivery
• 🔹 Reduces mechanical noise and improves smoothness thanks to the skirt coating
• 🔹 Convenient all-in-one kit for faster, correct top-end service (piston + rings + pin + clips)

Technical specifications:

• 📌 Engine type: 2-Stroke
• 📌 Displacement: 249 cc
• 📌 Piston size: 66.36 mm
• 📌 Bore size: 66.42 mm
• 📌 Oversize: +0.02 mm
• 📌 Ring type: Dual ring
• 📌 Material: Forged aluminum alloy

Why choose this product?!

• ⭐ Premium Wossner manufacturing with performance-focused materials and coatings
• ⭐ Complete, model-specific kit: Piston #8169DC, Ring Set #RSB6640, Wrist Pin #WP033, Retaining Clips #CW18
• ⭐ Ideal for a dependable top-end refresh on modern KTM/Husqvarna 250 TBi platforms