Jokers Racing > Yamaha YFZ450 Parts > YFZ450 Motor & Engine Parts

Yamaha YFZ450 ICE CUBE 523cc Big Bore Cylinder Kit With Long Rod Crank (MAX Power)

Bolt on kit YFZ450 523cc Specifications Fits 2003-2008 YFZ 450 models. "All of our engine kits are built using Wiseco Pistons" Kit includes: ICE CUBE cylinder (the only billet nickel plated cylinder on the planet) Stroked and balanced crankshaft Custom Xtreme coated piston kit with piston, rings, wrist pin, circlips. All necessary Top end gaskets for installation Jetting recommendations Benefits: Horsepower gain More torque Increased water capacity helps reduce engine temperatures 6061 billet aluminium outer cylinder increases heat transfer Re-useable rubber head gaskets. (some models) Apticote 2000 ceramic nickel plated cylinder bore Polished/anodized exterior (color options available on most models) Forged/plated aluminium sleeve ATV models include coated piston (add $50 for bike models) Thicker stronger cylinder skirt design Stroked & balanced crankshaft Engine Modifications Included: Bore = 99mm Stroke = 68mm stroker crank with knife rod. Displacement = 523cc Cylinder: New billet aluminum ICE CUBE cylinder with a forged aluminum sleeve plated Piston: New custom Xtreme coated piston. Head: No modification required Crankcase: No modification required Compression: Many options available customized to your preference. Note: Counter balance shaft modofication required.

Yamaha YFZ450 ICE CUBE 478cc 488cc Big Bore Cylinder Kit (MAX Power)

Bolt on kit YFZ450 478cc 488cc Specifications Fits 2003-2008 YFZ 450 models. "A 99mm piston will make the 2003-2005 models a true 478cc. 2006-2008 models have a 1.4mm longer stroke giving 488cc." Kit includes: ICE CUBE cylinder Custom Xtreme coated piston kit with piston, rings, wrist pin, circlips. Top end gaskets Jetting recommendations Unlimited technical support Benefits: Horsepower gain More torque Increased water capacity helps reduce engine temperatures 6061 billet aluminium outer cylinder increases heat transfer Re-useable rubber head gaskets. (some models) Apticote 2000 ceramic nickel plated cylinder bore Polished/anodized exterior (color options available on most models) Forged/plated aluminium sleeve ATV models include coated piston (add $50 for bike models) Thicker stronger cylinder skirt design Engine Modifications Included: Bore = 99mm Stroke = Stock Displacement =478/488cc Cylinder: New billet aluminum ICE CUBE cylinder with a forged aluminum sleeve plated Piston: New custom Xtreme coated piston. Head: No modification required Crankcase: No modification required Compression: Many options available customized to your preference.

Yamaha YFZ450 Big Bore Stroker kit (Falicon)

CALL FOR PRICING Our Falicon Big Bore / Stroker kit really bring the YFZ-450 engine alive! Our Big Bore/Stroker kits are winning races and championships all over the world. This kit improves the horsepower, mid-range and overall powerband. Our test riders and pro racers report easier control, allowing them to get on the power earlier when exiting corners. This increases straightaway speed and lowers lap times, while reducing rider fatigue. This kit will convert your YFZ-450 to a 513cc powerhouse. This third generation kit is the best combination of power and durability. Rather than bore out a stock cylinder, we use a completely new casting with heavier walls and larger water jackets. This Tall Cylinder works with our Long Rod Billet Crank, but it doesn't need a spacer plate - the best of both worlds. Includes: Falicon Billet Stroker Crank 68mm Falicon Knife Rod - Long Falicon Tall Cylinder - 98mm Piston Kit (98mm) Stroker Compression Wide Heavy Duty Cam Chain SS-Y-450HD Adjustable Cam Sprocket Shorter Top Motor Mount Oil Line Extension kit Longer Head Bolts (4) CALL FOR PRICING

Yamaha YFZ450 460cc Big Bore Kit (Eddie Sanders)

KIT INCLUDES: GASKET SET, 12.5:11 COMPRESSION PISTON KIT AND BORING/REPLATING OF CYLINDER. WANT MORE POWER BUT WORRIED ABOUT RELIABILITY? WE HAVE JUST THE CYLINDER KIT FOR YOU. WE UE A 97MM PISTON INSTEAD OF THE USUALLY 98MM OR BIGGER. WHY? BECAUSE IT GIVES THE HEAD GASKET MORE SURFACE AREA KEEPING YOUR MOTOR AS RELIABLE AS POSSIBLE WHEN GOING TO A BIG BORE. WE ALSO HAD THE PITON MADE EXCLUSIVELY FOR EDDIE SANDERS BY WISECO. CYLINDERS ARE BORED AND REPLATED TO OUR SPECS. THERE IS AN ADDITIONAL $175 CORE CHARGE THAT YOU CAN GET BACK ONCE WE RECEIVE YOUR STOCK CYLINDER. THESE KITS ARE USUALLY IN STOCK AND CAN SHIP THE SAME DAY.

Yamaha YFZ450 BIG BORE KIT YFZ 450 CYLINDER & PISTON 500cc (NW Sleeve)

The kit comes to you ready to assemble. Cylinder, piston kit and all top end gaskets are provided. This bore kit will fit your 2004-2007 YFZ. A billet cylinder with 30% increased water passage for optimum cooling, 100mm piston kit at 11:1, with an optional 13:1 available. This kit also features a 100.5mm piston kit just in case you wear yours out! No funny names, No fancy colors--just "rock-solid" reliability with this truly bolt-on cylinder. We make your kit the way YOU want it. You'll have complete choice of piston make, size, and compression. When you decide how you want your kit, we'll build it to suit. No one else we know of lets YOU decide -- interesting idea, isn't it?

Yamaha YFZ450 2006 Service Manual (Alba Action Sports)

Do you ever have questions about your motorcycle and the way it may be running? By using this owner's manual it will give you step by step instructions on how to change your oil, when exactly maintenance must be performed and simple specifics on your bike. Owning a service manual can help you out a lot through almost any type of problem. Just think of it this way, after taking your bike to the service department and changing the oil, your service manual has already paid for itself. Buy one today!

Yamaha YFZ450 Big Gun Jet Kit (Big Gun)

Yamaha YFZ450 (04-05) Big Gun Jet Kit

Yamaha YFZ450 Balanced Crank Assembly (Janssen Motorsports)

Get the most out of your lower end with a balanced crank assembly. Janssen Motorsports will take your core crank assembly and weld, true and balance it to your piston of choice. This modification results in a much smoother (less vibration) running engine providing much longer crank bearing life particularly when running rev box's that increase the stock redline RPM. A Janssen Knife Edge Rod is a great complement to this crank assembly modification.

Yamaha YFZ450 ALUMINUM OIL TANK (UM Racing)

ALUMINUM OIL TANK UM Performance Products offers an oil tank made from 5052 aluminum for durability with all fittings having exterior welds. The tank has a greater oil capacity than stock with a 2000Â Heat Shield mounted away from the tank leaving a gap to allow air to pass in between. This patent pending design keeps the high exhaust temperatures away from the tank extending oil and motor life.