Insert 9.00 cc – KTM 105SX / Husqvarna TC105 / GASGAS MC105 (2025–2026)

The VHM AE32363‑026 insert is engineered for riders seeking the best overall performance from their 105 cc two‑stroke engines. With a 9.00 cc combustion chamber volume, this “standard” VHM insert is designed to work in combination with the 12°‑top VHM piston and matching VHM head. This configuration provides strong performance across the rev range while maintaining excellent reliability and resistance to detonation. The insert is engraved for identification and is easy to install when paired with the corresponding VHM head. Intended solely for use with VHM cylinder heads—not compatible with OEM heads—this insert supports high‑quality engine builds and ensures precise combustion geometry.

Key Features / Benefits:

• 9.00 cc volume insert engineered for “standard” 12° piston use, offering excellent all‑round performance.

• Easy to install and identify (part number engraved) in VHM heads; enhances tuning flexibility.

• Strong resistance to detonation, enabling higher performance and longer engine life.

• Offers optimal balance between power, reliability and usability in racing or serious performance setups.

Technical Specifications / Specifications:

• Insert Type: VHM Standard (for 12° piston)

• Combustion Chamber Volume: 9.00 cc

• Piston Height: +0.50 mm

• Squish Clearance: 0.90 mm

• Piston Crown Shape: Flat top 12°

• Bore Size Compatibility: Ø 52 mm

• Usage Note: Must be used in combination with VHM 12° piston and VHM head; not compatible with OEM head.