Beliebt Mikuni VM34 BMW Boxer R80. R90, R100 Roundslide Carburator

Classic Mikuni VM34 Round Slide Carburetor for your BMW Boxer (R80, R90, R100 2-Valve)

Want to eliminate the weaknesses of your old carburetor design? Then this simple Mikuni round slide carburetor is exactly what you need!

It doesn’t get more purist than this – the VM offers everything a carburetor needs, without unnecessary extras like heaters, accelerator pumps, or diaphragms. The result: easy handling and rock-solid reliability. It’s also the perfect replacement for defective or discontinued vintage carburetors! As a nice bonus, you can expect a noticeable power increase (around 2–5 hp, depending on the motorcycle). And with Mikuni Japan’s excellent parts support, you’re covered for the long term.

Jets for fine tuning included!

This model is the best choice for standard engines and riders who value simplicity and authenticity. For racing applications, several Mikuni TM flat slide models are available in our shop. Please note: only for open airfilters jetted!

Please note:
The carburetor is designed for racing use and does not have TÜV approval – however, registration may be possible after consultation with your inspector.

Specifications:
Choke: left side / lever
Idle adjustment: one left / one right
Air screw: right side
Fuel inlet: left side

Dimensions:
Outer diameter (front): 40 mm
Outer diameter (rear): 58 mm
Overall length: 93 mm
Venturi center to top: 93 mm
Venturi center to bottom: 76 mm

Note: Every BMW runs a bit differently. Fine-tuning may therefore be necessary. You can get jets from us – please use only genuine Mikuni tuning kits!

As this is a custom-made item, it is excluded from cancellation or exchange (see Terms & Conditions).
Additionally, orders placed with the manufacturer may result in extra delivery time, as indicated above the price.

Made in Japan – specially for your BMW Boxer.