Welcome to Rock River Powersports!
Click HERE to check out all of our Parts Unlimited Catalogs, to browse or shop online!	We carry the name brand products you've been looking for. Whether you need replacement plastic for your YZ, new pipes or simply new tires - you'll find just about everything right here. Not finding what you need? Give us a call: 920-674-9280. If you have a valid promo code, you must enter the code at the checkout to get the associated discount . Shipping rates are best estimates. Large, bulky or special order items may incur additional charges.
DIABLO VALUE SUPERSPORT TIRES 15% off! Click here to buy now!	DIABLO VALUE SUPERSPORT TIRES Supersport performance for any level of rider Fantastic dry grip and quick warm-up time thanks to a rear tread pattern optimized in the mid-crown and shoulder area Optimized Land/Sea ratio provides outstanding grip and traction in wet and dry conditions, plus improved tread wear and performance throughout the tire’s life Silica-Silan matrix compound and multi-radius provide are some of the innovative R&D racing attributes engineering into the Diablo ”T” spec tire, OEM for Buell Firebolt and Lightning models, significantly improves handling W-rated for speeds up to 168 mph
ALUMINUM PRO II SYSTEMS 15% off ! Save $89.39. Click here to buy now!	ALUMINUM PRO II SYSTEMS Industry-exclusive impact one-piece extruded aluminum muffler canister and end tip (no welds, rivets or bolts holding the can tip together) Stainless steel head- and mid-pipes are TIG welded for quality Aircraft-grade angled aluminum inlet, providing the capability for the exhaust to be positioned further down the subframe, lowering the center of gravity and also to allow for a longer muffler canister while not making it stick further out the back of the bike Innovative two-piece tongue-and-groove modular billet aluminum mounting bracket Billet aluminum exhaust flange to secure the headpipe to the cylinder head High-temperature cartridge muffler packing for maximum performance and longevity Meet sounds rating of 102 dB for pro MX and SX Recommended jetting specifications, power filter and spark arrester included Competition use only
MUD LITE XTR 15% off ! Save up to $24.59. Click here to buy now!	MUD LITE XTR XTREME TERRAIN RADIAL ATV TIRES

Rock River Powersports prides itself on its staff of highly motivated and carefully trained technicians—people who know and understand your needs and respond to them in a personal and friendly manner. We have been a staple of Jefferson, Wisconsin for years, offering Yamaha Five Star certified technicians, custom Rhinos and other quality services plus an array of products from Moose, Excel, ITP Tires & Wheels and other trusted brands. We service and sell ATVs, UTVs, PWCs, Snowmobiles & Motorcycles; we do it all! Whether you’re from Jefferson, Johnson Creek, Janesville or anywhere nearby, we invite you to stop in and see for yourself that we are here to help you as quickly and thoroughly as possible to get where you need to go.

You want to be sure your ATV and Utility Vehicle parts, accesories & apparel, and dirt bike performance parts are in the best of shape and we are here to help. So if you’re in the South Central Wisconsin, The Midwest, or even Nationwide, stop in and see us today or spend a few hours in our online store. You can also call (920) 674-9280 or send an email to KRISTEN@ROCKRIVERPOWERSPORTS.COM.

We carry a wide variety of accessories for whatever you ride. Here are a few highlights:

• ATV Tires & Wheels
  
• Snowmobile Apparel & Accessories