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Needle jet

BMW Isetta engine

Needle jet Zoom

Needle jet

€8.95

incl. 19% VAT plus shipping

no. 1308; with attached main nozzle 125, used, for Bing carburetor 1/22/98
Technical data
Category
BMW Isetta engine
BMW part number
13110039525
Item number
1-139555
Condition
Used original part
Weight
0 kg
In stock

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Philipp Schäper
Philipp Schäper BMW Isetta specialist Question about this item?
In stock Almost all parts available directly from stock
Original parts Original parts from workshop inventory
Specialists The specialists for BMW Isetta, 600 & 700
Worldwide shipping By DHL, UPS or freight forwarder — safely packed
Application

A needle jet in the carburetor, together with the needle valve, regulates the fuel flow in the partial-load range, thereby ensuring a correct air-fuel mixture across the entire load range.

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General information about this item

Product info
This needle jet with attached main jet 125 (Part No. 1-139555) regulates the fuel supply in the partial-load and full-load ranges in the Bing 1/22/98 carburetor of the BMW Isetta and is therefore crucial for a correct fuel mixture. During restoration, the needle jet and main jet should be inspected for wear, erosion, and resin buildup and replaced if necessary to restore the original running performance of the Isetta engine.

Database ID: 746 Accessed on: 18.06.2026 05:29 Data state: 22.05.2026 12:33 In stock since: 18.11.2025