Mikuni Round Main Jets

Mikuni Round Main Jets – Precision Fueling for Youth ATVs

Unlock crisp throttle response and dependable power with Mikuni Round Main Jets. Engineered for accurate fuel metering, these genuine Mikuni brass jets restore performance, improve starting, and deliver smoother acceleration on youth ATVs.

Designed for VM11 Carburetors

Direct-fit for Mikuni VM11 carbs used on many Eton and Polaris youth models. Ideal for stock setups or common bolt-on upgrades.

Key Features

• Precision-machined brass for consistent flow
• OEM-quality sizing for repeatable tuning results
• Supports fine jetting for altitude, temp, and exhaust/intake changes
• Improves mid-to-top end power and drivability
• Corrosion-resistant durability for long service life

Why Genuine Mikuni?

• Reliable, tested flow rates—no guesswork
• Matches factory specs and popular performance builds
• Reduces time spent diagnosing fueling issues

Fitment & Tuning Tips

Confirm VM11 carb before purchase. Choose jet size based on plug reads, elevation, temperature, and mods. Start richer, then step leaner for safe tuning. If unsure, consult a professional.

Optimize your youth ATV with Mikuni Round Main Jets—the trusted solution for clean fueling and consistent performance.