Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Mikuni 4J13 Jet Needle
Product info
- Item number
- 4J13
- Manufacturer number
- J8-4J13
- Position
Optimize your motorcycle's fuel delivery with a genuine Mikuni 4J13 Jet Needle. This critical component ensures precise fuel mixture control, especially in the crucial mid-range throttle positions, for smooth performance.
Description
Engineered by Mikuni, the 4J13 Jet Needle is a vital part for fine-tuning your carburetor's performance. Designed to meticulously regulate the fuel mixture, it directly impacts throttle response and overall engine efficiency, particularly when transitioning from low to high RPMs. As a genuine Mikuni part, you benefit from the precision engineering and reliability expected from a leading carburetor manufacturer. These jet needles are compatible with several Mikuni VM model carburetors and various Original Equipment (OE) Mikuni units, making them a versatile choice for enthusiasts and professionals alike. Each Mikuni 4J13 Jet Needle is proudly Made in Japan, reflecting the brand's commitment to superior quality and consistent performance. While specific measurements may not always be provided by Mikuni, it is essential to utilize available charting and verify dimensions in millimeters to ensure perfect fitment and optimal tuning for your specific application.
Features & Highlights
- Precision Mid-Range Fuel Control: Expertly designed to manage the fuel mixture during mid-range throttle operation, ensuring crisp throttle response and efficient engine performance.
- Genuine Mikuni Quality: Experience the superior engineering and reliability of an authentic Mikuni component, crafted to exact specifications for optimal function.
- Wide Compatibility: Perfectly suited for various Mikuni VM model carburetors and several OE Mikuni carburetor applications.
- Japanese Craftsmanship: Manufactured in Japan, guaranteeing a product built with meticulous attention to detail and high-quality materials.
- Essential for Tuning: A fundamental component for achieving precise carburetor tuning, allowing riders to dial in their motorcycle's performance.
Technical Specifications
- Brand: Mikuni
- MPN/SKU: 4J13
- Type: Jet Needle
- Origin: Made in Japan
- Note: Specific dimensions for this jet needle are not provided by the manufacturer. Please refer to Mikuni charting for verification.
Important to Know
- It is crucial to verify dimensions in millimeters using available Mikuni charting to ensure proper fitment and tuning for your specific carburetor.
- Some jet needles may not have individual measurements provided directly by Mikuni.
- Vendor part number
- J8-4J13
- Width
- 10 mm
- Height
- 10 mm
- Length
- 50 mm
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
Certified e-mærket web shop
