Keihin VB31B Carburetor – Honda CB400N (1978–1984) | ID: 100011
285,00 € - 429,00 €
We specialize in carburetor restoration and overhaul. This product can be ordered in two different ways – please select your preferred option below:
1️⃣ Fully Refurbished Version:
We completely overhaul this carburetor within 3 business days, including ultrasonic cleaning, new gaskets, float valves, and final testing.
Ready to install — trade-in is welcome but not required.
2️⃣ Buy As-Is (Trade-In Required):
Buy this carburetor as shown in the photos, in unrestored condition.
Send us your old carburetor as a required trade-in, and you’ll receive €55 cashback once your core is received and accepted.
This carburetor is complete and in used condition, showing normal signs of age.
Upon purchase, we fully overhaul and restore this unit in our workshop — cleaned, rebuilt, tested, and shipped ready to install.
That’s our specialty: refurbished, plug-and-play carburetors! 🔧
Product Description
Original Keihin VB31B carburetor, used on the Honda CB400N series.
Fully compatible with the Honda CB400N (Twin) models produced between 1978 and 1984.
Ideal for classic bike restorations or as a direct replacement for worn OEM carburetors.
Technical Details
Manufacturer: Keihin Japan
Model: VB31B
Application: 400 cc parallel-twin engines
Configuration: Twin-carburetor setup
Mounting type: Standard Keihin flange fitment
Condition: Complete – refurbished upon order
Compatibility
Originally installed on Honda CB400N (Twin) models from 1978–1984.
Also suitable for Honda CM400 and Honda CB400T, with minor jet calibration and synchronization adjustments.
Additional Notes
Each unit rebuilt in-house by Carburateur Service Nederland
Ultrasonically cleaned and renewed with premium-grade components
Worldwide shipping available
Genuine Keihin rebuild kits in stock
Trade-In Program
We accept used Keihin VB-series carburetors as trade-in.
You first purchase this product, and once we receive your old carburetor, you’ll receive a €55 cashback.
