Yoshimura Intros Products for Yamaha YZ450F

January 8, 2010
Courtesy of Yoshimura

The revolutionary¬†2010 Yamaha YZ450F is an incredible motorcycle, due in part to its mass centralization and other engineering efforts. Yoshimura’s¬†RS-4 Slip-on muffler design improves power while lowering sound. This pipe has a stainless/aluminum muffler construction with a carbon fiber tip and a 96dB spark-arrested insert. Other optional inserts available for this pipe are a motocross 99dB non-spark arrested version, and a 94dB motocross non-

2010 Yoshimura Yamaha
Yoshimura now offers the RS-4 Exhaust
for the 2010 Yamaha YZ450F. 

spark arrested insert. The stainless tailpipe bolts right onto the stock header for easy installation.

RS-4 Stainless Slip On
Part Number: 2348704
MSRP $395.00

Yoshimura introduces PIM-2, the evolution of our original fuel injection adjustment PIM device. The PIM-2 installs easily, typically in less than 30 minutes using simple Plug-n-Play technology. Plug the PIM-2 into the stock wiring harness, mount it to your bike using the supplied mounting kit, and you are ready to race! The PIM-2 comes pre-loaded with two separate fuel injection maps for either a Yoshimura Slip-on or Full Exhaust System.

RMZ Yoshimura PIM Box
The PIM device allows owners
to adjust fuel injection mapping
in no time flat.

The adjustability is limitless and easy. If the two supplied maps are not enough, there are dozens of free downloadable maps on the Yoshimura web site. Actually, no matter what pipe brand or engine modifications you have, we have map downloads on our web site to cover it.

Part Number: R-433-2348
MSRP $339.95

The Data Box consists of an air fuel sensor and amplifier box that plugs into the PIM-2 and allows for self-mapping of the motorcycle. Self-mapping means that as the user rides the bike on a dyno or on a closed course, the DATA Box automatically calculates the required fuel adjustment at each rpm and throttle position to reach the users selectable target air fuel ratio.

The DATA Box offers an alternative way for mapping without the time or cost of a custom dyno tune. There is nothing easier then simply riding a few laps and then enjoying the downloaded maps efficiency. The DATA Box Mapping

Yoshimura Data system for Suzuki
No time or money for a dyno tune on the YZ450F? Use the Yoshimura DATA Box for no hassle mapping.

software allows for the user to easily enter the target air fuel ratio, start, stop, and review the results of the self-mapping function. Once the recommended adjustments have been reviewed, the user can either apply all of the suggested adjustments or just a certain range with a few simple clicks of the mouse.

The kit comes with all of the required hardware, but will require modification of the exhaust pipe header or purchase of a pre-installed header from Yoshimura to accept the air/fuel sensor fitting.

Part Number: R-433-DATA
MSRP $429.00

Part Number: R-433-DATA-Ti
MSRP $429.00

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