Motorcycle Types Adventure / Dual-Sport 2011 Yamaha YZ250F: Yoshimura Exhaust

2011 Yamaha YZ250F: Yoshimura Exhaust

Motorcycle Exhaust

Getting the most out of an engine is what the engineers at Yoshimura R&D do best, and they’ve wasted no time in developing a new version of their race-proven RS-4 exhaust system to maximize the performance of the 2011 Yamaha YZ250F.

This bike’s engine was redesigned to make more power through the low and mid range, while maintaining the top-end rush that has made the bike so popular among motocross racers.

By adding a Yoshimura RS-4 slip-on or full system, riders will feel a significant boost in power and torque all the way from idle to redline.

The RS-4 is Yoshimura’s most advanced off-road exhaust system yet. The compact RS-4 muffler utilizes a duplex chamber design to maximize flow while offering excellent noise reduction.

The end result is a lightweight muffler that will lower sound emissions while increasing performance. RS-4 systems can be tuned to match whatever noise restrictions you might face through interchangeable sound inserts, which range from the USFS approved spark-arrested insert to the AMA pro racing legal insert.

All RS-4 exhausts are manufactured from the highest quality lightweight materials, and come in a variety of finishes. The slip-on model features stainless/aluminum construction, and a stylish carbon fiber end-cap to set your machine apart. Full systems are available in stainless/aluminum, titanium, or titanium/carbon finishes.

2011 YZ250F
Stainless Steel Slip-On
P/N: 2310723
MSRP: $395.00

2011 YZ250F
Stainless Steel/Aluminum Full System
P/N: 2310523
MSRP: $595.00

2011 YZ250F
Titanium/Titanium Full System
P/N: 2310187
MSRP: $945.00

2011 YZ250F
Titanium/Carbon Full System
P/N: 2310182
MSRP: $995.00

Ron Lieback
Ron Lieback
One of the few moto journalists based on the East Coast, Ron Lieback joined the motorcycle industry as a freelancer in 2007, and is currently Online Editor at Ultimate Motorcycling.

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