Yamaha YFZ 450 detailed Guide

The Yamaha YFZ 450 ATV is just one of the lightest and also most an effective sport ATVs ever manufactured(YFZ 450 Specs below). Plenty of magazine reviews, gyeongju titles and GNCC and quad-cross championships speak so. A stock YFZ 450 ATV has actually a top speed of roughly 75MPH (see top speeds list). It was crowned human being four-stroke champion in 2005 and 2006 and was called sport ATV that the year by ATV shown in 2007. Yamaha proceeds to produce the YFZ 450 to be just as potent and also it continues to conquer the market well right into 2020.

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Bringing the Yamaha 450 come life is a 5 titanium valve engine upon a 350 lb complete dry load setup. Through the industries best power come weight proportion out of any stock ATV top top the sector it’s no wonder that the YFZ450 is highly competitive in every race. It’s lightweight high-tensile steel frame with completely adjustable suspension offers exceptional handling. The YFZ450 to be born to race and an extreme choice of high power YFZ 450 parts are available.

The Yamaha Motor company is providing a special edition YFZ450SE for 2008 v black and also orange graphics. If you favor red and also gray graphic on her YFZ 450 friend can made decision those as well beginning in June 2007. That course, the blue and also white signature graphics kits are constantly an option too. Yamaha ATV enthusiasts will be styling right into 2019 and beyond, check out this rooster tail.


Transmission: 5-speed, wet multi-plate clutchDrive Train : 2WD, sealed O-ring chain, eccentric adjustmentFront Suspension: Independent dual wishbone, v piggy ago High and also Lo rate compression, rebound and threaded pre-load adjustment, 9.1 customs of travel.Rear Suspension: actors aluminum waver arm v rebound, High and Lo speed compression threaded pre-load, 10.6 inch of travel.Front Brakes : double ventilated hydraulic disc, twin pistonRear Brakes : Ventilated hydraulic disc, twin pistonFront Tires : AT21 x 7-10 radialRear Tires : AT20 x 10-9 radialOverall size : l x W x H = 72.4 x 46.1 x 42.9 inYamaha YFZ 450 Seat elevation : 31.9 inchesWheelbase : 50.4 inchesGround Clearance : 4.5 inchesTie rod finish torque specs: round joints 18 ft/lb, tie rods 18 ft/lb, shock bolts 32ft/lb, upper A-Arms 27 ft/lb, lower A-Arms 40 ft/lb
Engine : 449cc liquid-cooled with fan, 4-stroke, DOHC, 5 titanium valvesBore and Stroke : 95.0mm x 63.4mmCompression ratio : 11.4:1Carb: Keihin 39mm FCR with throttle position sensorIgnition : DC – CDIStarter : ElectricYFZ 450 oil type: 10w-40 is recommendedYFZ 450 oil capacity: 1.96 united state Quarts (1.85 Liters) through filter changeYFZ 450 horsepower: 38-40HP stockFuel volume : 2.6 gallonsyfz 450 valve convey : .15mm(.006) intake, .20mm(.008) exhaustyfz 450 hp : 39 Horsepower stock officially, 30-35HP on the dyno depending on conditions.
L x W x H 70.7 x 48.8 x 41.9 inSeat Height: 31.9 inWheelbase: 50.0 inGround Clearance: 4.5 inYFZ 450 Weight: 350 lbs dry, 405 lb wet

The Yamaha YFZ450r is brand spanking new for 2009 the Yamaha YFZ450r is already making a large splash in gyeongju circles. Dustin Nelson, winner of the 2007 ITP Quadcross Championship, claims “The throttle an answer on this point is amazing!”. Yamaha has actually upgraded numerous performance parts for 2009 and also the early on feedback from racers and also fanatics is 2 thumbs way up. Take a look at much more YFZ450r pictures…


The Yamaha YFZ450r is virtually three inches more comprehensive than critical years YFZ450 ATV and stance is motocross prepared from stock. The Yamaha yfz450r framework is do from lightweight aluminum v a steel bottom framework that allows the engine sit lower to the ground causing a lower center of gravity. The suspension parts have been given an ext travel and upon closer testimonial a Kashima coating consist of the prior shocks.

The YFZ450r Engine has also been beefed up in 2009 v an enlarged throttle body, a 42mm Mikuni vs critical years 39mm, and a 12 feet fuel injector system. One ISC (Idle speed Control) is likewise included for easy beginning and warming up. The end an outcome is the very same torque, rpm and power we’ve concerned expect indigenous the YFZ450 yet with improved response and far better overall performance.

The Yamaha YFZ 450r has additionally made some improvements to comfort level while riding. Not just will the take longer for girlfriend to gain ‘throttle thumb’ native the more responsive intake device you’ll appreciate the softer plastic and new seat design. The YFZ450r chair is slightly narrow in the front while being broader in the rear to help keep friend on the ATV if riding all out. You do arrangement on riding this quad all the end right? Good, that’s how it’s developed to be handled!

Yamaha’s YFZ450r ATV sit on Dunlop tires with steering tackled by ProTaper handlebars under 4-way clamps. Substantial 65mm foot pegs scream because that you to gain on them as soon as you thrash the prior KYB shocks over their complete 9.8 inch of travel. The rear finish travels a total of 11 inches in stock type thanks to same sturdy and totally adjustable KYB 46mm piggyback system.


The YFZ450r swing-arm is make of ultra solid gravity fed aluminum to store it light and rear stopping power originates from a trick looking wave form rotor. 2009 Yamaha YFZ450r specs are as follows…

*The YFZ 450 is one of many ATV brands manufactured through Yamaha and is comparable in popularity to the Yamaha Banshee.


Buying a brand new ATV isn’t an choice for anyone in challenging economic times, and it’s tough to do when you’re tho in school and working part time, therefore what’s an ATV driver to do? Simple, purchase used and also plan to change parts with time as your budget allows.

When girlfriend buy a brand-new sport ATV you’re most likely going to upgrade a most the parts, eventually. The first step is to discover a great deal ~ above the make and model that ATV you’re wanting come build. If i was about to start building yet another low budget plan ATV job the 2006 Yamaha YFZ 450 r would be high on my perform of possible choices and here is why…

The 2006 Yamaha YFZ 450 signaled the begin of a brand-new trend in which sport ATVs were qualified of *gasp* gyeongju stock. Share Yamaha YFZ 450 OEM components were high power by style which is a good thing when you’re walk to be keeping many of them throughout your ATV task build. A quick check of several well-known ATV for sale hot-spots shows that there are a most used 2006’s accessible right currently which is also a good thing due to the fact that you’ll have the ability to negotiate a much better deal if you’re patient.


The to plan stages – understand what you’re going to buy prior to you purchase anything in ~ all and also make certain to study your specific model in advance. Your first purchase will certainly be a finish ATV, hope at a good price, and also there is an arts to conserving money when selecting the ideal ATV. You’ll be buying the details parts friend want afterwards so don’t waste money through paying more for the core frame/ATV just because the owner do his own upgrades come the YFZ 450 prior to selling it. Collection a price you’re willing to pay and stick come it even if it does have bells and whistles already.

Your two pertains to when buying the core of your project should be a) is it complete so that I deserve to have fun through it best away and b) is whatever in functioning order. When planning a low spending plan ATV task there is naught worse than finishing up with an ATV you can’t enjoy because a certain component is broken and also too expensive to solve without needing to conserve first.

If you’re able to ride the ATV together is you may likewise find yourself wanting come make alters to your build plans. A 2006 YFZ 450 v only brand-new pipes as an upgrade has been a usual scene in many riding areas and you could find yourself willing to invest a bit more on a new ATV exhaust device at the price of leaving out other an elaborate upgrades.

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Sometimes 2 is much better than one, take into consideration buying two separate ATVs if you discover that together they have actually all the parts on her wish list. You deserve to swap parts and also re-sell the ATV girlfriend don’t want and also maybe also turn a benefit on it.