Pre-Jetted carburetors only. If you are in need of a full kit, please contact us or check the carburetor kits portion of the site.
Jetting Specifications
Carburetor #
Venturi Size
Main jet (VM4/042)
Pilot Jet (VM22/210)
Needle Jet
Jet Needle
Throttle Valve
Air Jet
Needle Valve
VM34-275
34
230
40
P-2
6DH3
2.0
2.0
3.3
Pre-jettted carburetors for the BMW R100. Intended for stock, or mildly modified engines. Includes left and right carbs.
Mikuni's VM Series, round slide carburetors have proven themselves as the performance standard for use on single and multi-cylinder, motorcycle and ATV vehicles. They're perfect carbs for street riding, motocross, enduro and trail riding, as well as flat track and road racing. These carbs are designed to work on both 2-stroke and 4-stroke engines.
VM series carburetors offer a large selection of bore sizes for optimal fuel mixture and flow to match most engine modifications. A wide range of tuning components are available to allow precise fuel mixture metering in almost any application, at any throttle setting and under any riding condition.
SpecificationValue
Country of Manufacture
Japan
Brand
Genuine Mikuni
Carburetor Application
Model Specific
Carburetor Size
34mm
Carburetor Type
Round Slide
Carburetor Mount
Spigot
Carburetor Intake Bell Diameter
58mm
Engine Side Sizing
40mm
Accelerator Pump
No
Carburetor Depth
93mm
Carburetor Height
137mm
Carburetor Width
83mm
Fuel Inlet Size
5/16"
Main Jet Series
VM4/042
Pilot Jet Series
VM22/210
Needle Jet Series
159
Needle Series
#6
Needle & Seat Type
VM34/39
Starter Jet Series
VM17/1002
Air Jet Series
BS30/97
Fitment information
BMW Models
BMW R90 6 1973 - 1976
BMW R90 6 898 1973 - 1976
BMW R90S 1973 - 1976
BMW R90S 898 1973 - 1976
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