CRF450X

From R&J Racing comes “The Original” Power Pump with Adjustable Leak Jet (ALJ). This part ends the pain and drudgery of spending hours adjusting the jetting on your bike, making the process incredibly fast and simple. It allows you to tune your accelorator pump setting in seconds, generating an extremely quick and crisp throttle response in your Honda CRF450X or other dirt bike. The kit includes four parts: the power pump (more…)

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A really great part to purchase for the Honda CRF450X if your sick and tired of burning your fingers when adjusting a stuck fuel screw is R&D’s Flex Jet Remote Fuel Screw. This solves not only the first problem, but also eliminates the possibility of the fuel screw vibrating loose while riding. With bikes getting faster and riders taking more risks (more…)

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F2 Fast-Cap

The F2 racing Fast-Cap is a product developed by the great minds at F2 racing, which is designed to keep the flow of the fuel constant. When testing the world’s fastest bike, researchers at F2 noticed that it would start to “run lean” at very high speeds, as the stock float bowl cap allows fuel to flow away from the center, where the jets are fed. With this $30 cap, performance is improved dramatically, as the fuel flow is more direct. At sustained high speeds, the problem of the bike “running lean” or not getting enough fuel, is eliminated and a far more consistent top speed is achieved. The Fast-Cap is a relatively small after market part that fits on to an existing carburetor. F2 claims that in nearly any kind of racing, the top speed is not only more consistent than with the stock, but also higher. (more…)

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Another new product on the market is the Power Bowl, a product recently released by R&D Racing. This billet aluminum float bowl not only has more fuel capacity for the times your carb burbles over the breaking bumbs or choppy whoop sections, it also is tunable and has a more powerful accelerator pump. You can tune the leak jet to achieve better timing for the accelerator pump which in turn cleans up your pilot circuit for a crisp throttle response. (more…)

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With a street price of about $40 the Wirtz Quick Shot accelerator pump cover is a great addition to your CRF. The aftermarket accelerator pump covers help put more fuel in the intake when you crack that throttle open. I personally use one by Boyesen. (more…)

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R&D Racing Products has released the new Power Bowl.  Which hosts tons of improvements over the stock bowl.  I’ve been waiting for a good picture of this thing for a while as computer renederings were the only thing available.  In addition to function this carburetor bowl has bling factor off the charts.  Read on for the details from the manufacturer’s site.

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Boyesen Engineering has released their version of the Power Now by Scary Fast for the CRF450X and the CRF450R. They claim their product is superior to all other carburetor dividers on the market. Below is their information on the product. We’ll be trying this out in the future to see if we gain anything from it. (more…)

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F2Racing.net has released a new Demissions “PowerBack” Kit for the Honda CRF450X, CRF250X and the 2007 Yamaha WR250 and Yamaha WR450. This kit was developed with the help of 6 time Baja 1000 winner Steve Hengeveld who races the CRF450X and is intended to get rid of the emission controls and tuning that the factories use to pass stringent smog certifications. The result, increased horsepower a cooler running bike, no more popping on deceleration from the exhaust and a 1.5 pound decrease in weight. (more…)

Filed under: Exhaust, Intake
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So honda put out a bulletin to it’s dealers a while ago about mods that should be made for people racing the CRF450X in closed course competition (aka “Smog Exempt” in California). Here’s a copy of the bulletin along with the information contained.  Click on the picture to get it bigger.

So here we go, directly from the bulletin…….. (more…)

Filed under: Electrical, Engine, Exhaust, Intake, Uncategorized
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