VHM Top Flat Piston Kit D.46.95 APKT08521707A

( Brand: Vhm ), ( Manufacturer Part Number: 08521707 ), ( Type: Piston Kit ), ( Engine Type: 2-stroke ), ( Machine Type: Off-road Motorcycle ), ( Items Included: Piston Rings, Wrist Pin ), ( Piston Diameter: 46.95 ), ( Material: Aluminum Alloy )

Review VHM Flat Top 12.46.95 Ktm Piston Kit fits SX 1925–2004

Introducing the VHM 08521707 Flat Top 12 D.46.95 KTM 85 SX 04-25 APKT08521707A Piston Kit, a high-performance upgrade for your KTM 85 SX motorcycle model from 2004 to 2025. This piston kit is meticulously engineered to deliver exceptional power, exceptional durability, and an unrivaled riding experience.

The piston itself is a work of art. It features a flat-top design that allows for a more efficient combustion process. Its diameter measures 12mm, while its stroke is a precise 46.95mm. This configuration ensures optimal engine performance, providing a noticeable increase in horsepower and torque.

The piston kit is made from a high-quality alloy material, ensuring superior strength and durability. The piston's ring grooves are precisely machined to accommodate top-quality rings that provide a perfect seal, preventing any loss of combustion gases and ensuring optimal engine efficiency.

This piston kit is designed as an OEM replacement, ensuring a direct fit for your KTM 85 SX motorcycle. The piston kit includes all necessary hardware, making the installation process straightforward and hassle-free.

The VHM 08521707 Flat Top 12 D.46.95 KTM 85 SX 04-25 APKT08521707A Piston Kit is an ideal choice for riders seeking improved power and performance from their motorcycle. It is perfect for those who use their motorcycle for competitive racing, off-road adventures, or daily commuting.

In conclusion, the VHM 08521707 Flat Top 12 D.46.95 KTM 85 SX 04-25 APKT08521707A Piston Kit is a must-have upgrade for any KTM 85 SX motorcycle from 2004 to 2025. Its flat-top design, high-quality alloy material, and direct fit make it a reliable and effective means of enhancing your motorcycle's power and performance.

Pros and Cons of buying a KTM 85 SX (APK08521707A) Flat Top 12 D.46.95 Piston Kit (VHM 08521707)

a. Improved Performance: The flat top piston design allows for a more efficient combustion process, which in turn increases horsepower and torque. This can result in improved acceleration and overall performance for your KTM 85 SX.

b. Enhanced Durability: Flat top pistons have a larger surface area for cooling, reducing the risk of piston overheating and potential engine damage.

c. Cost-Effective: Replacing just the piston kit instead of the entire engine can save you significant costs in the long run.

d. Suitability for Racing: The flat top piston design is often preferred in racing applications due to its ability to provide increased power and better engine response.

a. Complex Installation: Installing a new piston kit can be a complex process that requires specialized tools and technical expertise. It's recommended to have the work done by a professional mechanic or at least follow detailed instructions provided by the manufacturer.

b. Potential Engine Tuning: The installation of a new piston kit may require engine tuning to optimize the new components for your specific riding conditions and preferences. This might involve additional costs and time.

c. Limited Lifespan: While the flat top piston kit has improved durability compared to standard pistons, it still has a finite lifespan. Expect to replace it periodically, depending on your riding style and conditions.

The KTM 85 SX (APK08521707A) Flat Top 12 D.46.95 Piston Kit (VHM 08521707) offers significant performance improvements, enhanced durability, and cost savings, making it an attractive option for those seeking to optimize their KTM 85 SX. However, the complex installation, potential engine tuning, and limited lifespan should be carefully considered before making a purchase.

If you're looking to enhance the performance and durability of your KTM 85 SX and are willing to invest in the installation and potential tuning costs, the flat top piston kit could be a worthwhile investment. However, if you're not comfortable with the complexities of the installation process or the ongoing maintenance requirements, it might be best to consider other options or consult with a professional mechanic before making a decision.

Details:

Keeps high performance during lifetime. This 12 VHM piston is specially developed for a maximum performance gain. Use in combination with VHM insert AE32361-026 2025, AE32281-013 2018 - 2024, AE32226-056 2013 2017 or AE32087-112 2004 2012 and complementary head AA33222 AA33171 2018-2024, AA33145 AA33068 2012. This piston is 100% CNC machined from high quality material and has a non-circular profile.

Inside coating and special Z-clips. They stand for high performance, longevity and keeping performance during its lifetime. It MUST be used in combination with a VHM 12 insert and head.

part #: 08521707 prices

• $107.21-$393.21

specifications pistondon:

• for models: Sx
• for makes: Ktm
• for years: 1925-2004
• brand: Vhm
• mpn: 08521707
• type: Piston Kit
• engine type: 2-stroke
• machine type: Off-road Motorcycle
• items included: Piston Rings, Wrist Pin
• piston diameter: 46.95
• material: Aluminum Alloy

seller pistondon:

• city: Locust Grove, Georgia
• # reviews: 393
• rating: 100.0%

shipping pistondon:

• transit: 3-8 Days
• cost: $8.56
• carrier: UPS
• service: UPS Ground
• type: Calculated
• class: Standard

offer pistondon:

• started: October 20, 2025
• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

returns pistondon:

• policy: No Returns

payments pistondon:

• other
• wallet: Google-pay
• credit card: Visa

general pistondon:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits