Mio Sporty/Amore/Vega Zr/Vega Force Mio Raw Camshaft
Ruizheng Racing Mio Camshaft Modification Guide
The camshaft modification of Mio series motorcycles is mainly used to improve the intake and exhaust efficiency and optimize the valve opening and closing timing, thereby improving power output, torque and high-speed performance. The modification plan usually includes replacing the High Lift Camshaft, adjusting the valve timing, strengthening the valve spring, etc.
Description
Mio Raw Camshaft – Racing Upgrade
The Mio Raw Camshaft (also known as Noken As Mentah) is designed for Yamaha racing modifications. Crafted from high-strength alloy steel and precision CNC machining, it improves intake and exhaust efficiency, delivering better horsepower and acceleration performance. Perfect for motorcycle modification shops, racing clubs, and wholesale buyers across Southeast Asia and global markets.
Available Packages
- Mio Raw Camshaft Only
- Camshaft + Swedish Valve Springs
- Camshaft + Valve Springs + Adjustable Timing Gear
- Camshaft + Valve Springs + Timing Gear + RRA Roller Rocker Arm
Fitment Models
Our Mio Raw Camshaft is compatible with multiple Yamaha motorcycles:
- Yamaha Mio Series: Mio Sporty, Mio Soul, Mio J, Mio M3, Mio GT
- Yamaha Nouvo Series: Nouvo Z, Nouvo MX, Nouvo LX
- Yamaha Fino (Carburetor Version)
- Yamaha Vega R / Vega ZR
- Yamaha Jupiter Z / Z1
- Yamaha Crypton
Technical Specifications
Type | Application | Lift (IN/EX) | LCA (°) |
---|---|---|---|
T-1 | Big bore, standard valve | 8.0mm / 8.0mm | 105–116° |
T-2 | Big bore, wide valve | 8.5mm / 8.35mm | 100–109° |
Key Advantages
- ⚡ Power Boost: Optimized intake & exhaust for increased horsepower and acceleration.
- 🔧 Multiple Options: Choose from raw camshaft or full racing kits.
- 🛡️ Durability: High-strength alloy steel, wear-resistant, suitable for long-term racing use.
- ✅ Wide Compatibility: Fits multiple Yamaha models for easy installation.
Product Gallery


Frequently Asked Questions
1. What is a Mio Raw Camshaft?
It is an unfinished camshaft (mentah) designed for Yamaha racing modifications, allowing machinists and tuners to grind it according to specific racing needs.
2. Why choose a Raw Camshaft instead of a finished one?
A raw camshaft gives flexibility for custom racing setups, especially for different bore sizes, valve dimensions, and competition requirements.
3. Can it be used for everyday street riding?
It is mainly designed for racing applications. For daily use, standard or mild racing camshafts are recommended.
Recommended Products
Contact & Inquiry
📞 Whatsapp: +86 13690833592
💬 Wechat: alla_ing
📷 Instagram: @racingpart_2013
📘 Facebook: Ruizheng Racing
▶️ YouTube: Rz Moto Parts Wholesale
Learn more about how camshafts improve engine performance.
Brand
Yamaha

Reviews
There are no reviews yet.