Dial in your 2-stroke carburetor with confidence using the Naraku 5mm Main Jet Tuning Kit. Whether you're compensating for altitude, an aftermarket exhaust, or a performance air filter, having the right jet on hand makes all the difference. This 10-piece brass jet set covers a wide tuning range in a compact, organized storage case — so you can test, swap, and find your perfect fuel mixture without waiting on individual orders.
What's Included
10 Brass Main Jets in the following sizes: 90, 92, 94, 96, 98, 100, 102, 105, 108, 110
Naraku Branded Storage Case with individual foam-lined slots to keep jets organized and protected
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M5x0.80 Thread: Fits Dellorto carburetors that use a standard M5 main jet — typically found on 19mm carbs and larger.
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Wide Tuning Range: Sizes 90–110 cover lean-to-rich jetting for most 2-stroke performance tuning scenarios.
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Precision Brass Construction: CNC-machined brass jets for accurate orifice sizing and consistent fuel delivery.
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Compact Storage Case: Keeps all 10 jets organized, labeled, and ready for trackside or garage use.
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Naraku Quality: Trusted European performance brand for 2-stroke scooter and moped tuning.
Compatible Carburetors & Vehicles
Designed for Dellorto carburetors using M5x0.80 main jets, commonly found on:
- 2-stroke Yamaha Zuma (BW's)
- Aprilia 2-stroke scooters
- Malaguti 2-stroke scooters
- Derbi 2-stroke scooters
- Other 2-stroke scooters and mopeds with 19mm or larger Dellorto carburetors
2-stroke Yamaha Zuma, Aprilia, Malaguti, Derbi, and other 2-stroke scooters/mopeds with Dellorto 19mm+ carburetors using M5x0.80 main jets