KEIHIN Carburetor
Product Information
Off-Road Motorcycles & ATV
FCR-MX Carburetor
The ultimate off-road performance carburetor for four-stroke engines. Keihin has developed the FCR-MX for the specialized needs
of motocross, flat track, off-road, and ATV racing. Featuring a roller bearing supported flat slide, accelerator pump, and large,
baffled float bowl, FCR-MX is race-ready right out of the box.
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PWK Carburetor
Producing power without compromise, Keihin PWK carburetors have set the standard for two-stroke ATV, motocross, and off-road
racing performance. Featuring a chrome plated D-shape cross section slide and a conventional idle speed adjuster, PWK sets the
modern standard for two-stroke carburetor performance. Available in 28, 33, 35, 36, 38, and 39mm throttle bores, there's a PWK
carb for nearly any two-stroke engine configuration.
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PJ Carburetor
The popular PJ is Keihin's first generation flat-slide, two-stroke carburetor. Featuring a chrome-plated oval cross-section slide, and
an innovative dual-action enrichener (choke)/idle speed adjuster, the PJ is a model of simplicity and easy tunability. PJ is available
in 34mm throttle bore and is ideally suited to 125-250cc two-stroke single cylinder or 350-500cc two-stroke twin cylinder engine
configurations.
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PWM Carburetor
Designed for high-RPM two-stroke racing engines, PWM is a 38mm, short body carburetor aimed squarely at motorcycle
road-racing, flat track, and shifter kart applications where maximum peak power output is the key to lowering lap times.
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PE Carburetor
PE is the value-proposition within the Keihin off-road carburetor line-up. Available in a wide range of throttle bore sizes, PE is a
round slide, general purpose carburetor applicable to two-stroke and four-stroke engines.
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Road Racing Motorcycles
Flat-CR (FCR) Carburetor
Originally designed and developed on world-class Superbike racing circuits, the Flat-CR carburetor broke new technological
ground with an innovative flat-slide throttle valve that rides on roller bearings. This practically frictionless design allows for
much lighter throttle return springs and a finer degree of power control for riders. Produced with the highest level of
technology available, the Flat CR has proven its advantage with race wins around the world.
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CR Special Carburetor
The legendary CR Special is Keihin's original smoothbore racing carburetor. Featuring chrome-plated hollow slides that
control smoothbore venturis, the CR Special increases engine performance and rider control over previously available
designs. CR Special is applicable for side-draft engines only and is available for a multitude of engine configurations.
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Notice on Carburetor Installation, Tuning, and Repair
Other than exact replacement OEM Carburetors, all Keihin Aftermarket Carburetors and Tuning Components are sold "As Is" for Off Road / Racing Use Only and are not intended or approved for use on vehicles operated on Public Roads or in locations where applicable engine tampering and anti-pollution laws apply.
