Dellorto Main Jet Kit — 5mm & 6mm Carburetor Jets for Scooters

Stop Buying Jets One at a Time

The Dellorto Main Jet Kit is the smart, one-time solution for tuning your Dellorto carburetor. Whether you're chasing the perfect air/fuel ratio or heading out on a long ride through varying elevations, having the right jet on hand makes all the difference.

Why This Kit?

• Covers the full tuning range — no more guessing which jet to order next
• Fits 5mm (size 19+) and 6mm (stock 17.5mm) Dellorto carburetors
• Available in sizes 50–128, spanning m5 and m6 thread specs
• Buying individually would cost $40–$55 — this kit saves you money upfront
• Compact enough to keep on the scoot for on-the-road jet swaps

Fitment

5mm jets fit Dellorto carbs size 19 and up. 6mm jets fit stock 17.5mm Dellorto carburetors. Select your size from the dropdown above.

Specifications

• Thread: 5mm or 6mm (select at checkout)
• Sizes available: 50–128
• Weight: 5 oz
• Vendor: ScooterSwapShop