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Devices for Fuel Injection Systems

"iBeat" is the designation of Mikuni's high-performance fuel injection systems and their components for motorcycles and speciality vehicles.

Electronic Control Throttle Body for Large Motorcycles

The world's first mass production product of its type for motorcycles optimizes output control by performing throttle valve operation under electronic control (no more throttle cables).
Equipped with position sensor and mechanical fail-safe feature.

Electronic Control Throttle Body for Large Motorcycles
Electronic Control Throttle Body for Large Motorcycles

A throttle body capable of controlling engine output and idling with a throttle valve control by electronic control.

Electronic Control Throttle Body for Large Motorcycles
Electronic Control Throttle Body for Large Motorcycles

Throttle Body for water-cooled 4-cycle parallel 3-cylinder engines that has made possible for electronic control throttle valves to control engine output and idling.
Synchronizing mechanism has been eliminated by adopting a single integrated throttle shaft for up to 3 cylinders.

Electronic Control Throttle Body for Large Motorcycles (ETV)
Electronic Control Throttle Body for Large Motorcycles

While throttle valve operation is electronically controlled, intake port is made straight by making it an oval shape.

Electronic Control Throttle Body for Large Motorcycles (ETV)
Throttle Body with Sub-Throttle valves for Large Motorcycles

A throttle body having a main throttle valve directly connected with throttle grip and a sub-throttle valve controlled by ECU.

Throttle Body with Sub-Throttle for Large Motorcycles
Throttle Body for small motorcycles

A throttle body having two butterfly valves. With a phase difference, the link mechanism opens and closes the downstream valve via the upstream valve.

Throttle Body for small motorcycles
Throttle Body for All Terrain Vehicles

Downdraft type throttle body developed specifically for versatile multi-purpose All Terrain Vehicles (ATV). The idle speed control function by the stepping motor is adopted.

Throttle Body for All Terrain Vehicles
Intake Module for Outboard Engines

In addition to optimizing layout of entire air intake system, weight saving and low cost were achieved by resinification of intake manifold and fuel rail.

Intake Module for Outboard Engines
Intake Module for Outboard Engines

Modularizes fuel system components including built-in Vapor Separator, specific to outboard engines, as well as intake system components consisting of throttle body and plastic intake manifold.

Intake Module for Outboard Engines
Intake Module for Personal water crafts

Intake Module that integrates Electronic Control Throttle Body, Plastic Intake Manifold and Plastic Fuel Rail.

Intake Module for PWC
Plunger Pump for Motorcycle

An in-line fuel pump with the plunger pump and injector unified on the intake manifold.

Plunger Pump for Motorcycle
High Performance Engine Control Unit (ECU)

Performs overall control of engine intake and exhaust systems, fuel supply system, ignition system, etc.

High Performance Engine Control Unit (ECU)
Modularized Air Quantity Sensor (MAQS)

A multi-function sensor module that combines three sensors (non-contact throttle position, intake air temperature, and pressure) into a single package.

Modularized Air Quantity Sensor (MAQS)
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Pumps, others

Trochoid Oil Pump

Circulates oil for lubricating four cycle engines. Low cost attained through in-house production of its trochoid rotor.

Trochoid Oil Pump (TP)
Water Pump

Impeller type circulation pump used for water cooled engines.

Water Pump
Plastic Fuel Pump

This diaphragm fuel pump comes in pulse type and piston type. Light weight and low cost achieved by use of plastic bodies. Self-priming type is also available.

Plastic Fuel Pump
Secondary Air Valve

Valve which controls secondary air supply to the exhaust port to re-burn incomplete combustion for emission control.

Secondary Air Valve
PAGETOP

Carburetors

TMR Type Carburetors for Motorcycles

Racing carburetors applying smooth bore to improve intake efficiency to achieve higher output.

TMR Type Carburetors for Motorcycles
BS Type Carburetors for Motorcycles

Constant-vacuum-pressure type provides smooth driving performance, thereby contributing to improved fuel efficiency and emission control. Add-on acceleration pump is also available.

BS Type Carburetors for Motorcycles
VM Type Carburetors for Motorcycles

VM type carburetors provide direct response from the engine and are excellent in cost performance.

VM Type Carburetors for Motorcycles
Carburetors for General Purpose Engines

Compact carburetors designed for small to medium sized engines for general purposes.

Carburetors for General Purpose Engines