YZF 426 Versus YZF 450

39 replies to this topic
  • Chad76

Posted May 05, 2005 - 05:43 PM


Haven't had a chance to compare back to back a 426 against my "04" model 450.

I own a 04 model 450 and my mate owns a 426 01 model. He seems convinced his 426 will be quicker.

I have read that Yamaha has said the 4 speed 450 has the same top speed as the 426 5 speed. Can anyone confirm this?

Which of the two bikes is more aggressive in power delivery? Which would win in a head to head drag?

  • Wyatt

Posted May 05, 2005 - 06:05 PM


I have owned both bikes. I really don't fell how my 450 is that much faster than the 426 in power out of the hole...but it is. I think the 426 had a higher top speed, but I never see that on a MX track. Head to head off of the line...my money is on the 450 to the first turn. The 450 shines in the fact that it is so much lighter and handles better than the 426.

  • FSA909

Posted May 05, 2005 - 06:17 PM


I would have to agree with Wyatt, I consider my 426 fast, but in the handling and weight department, the 450 has the upper hand. Newer technology has the 426 beat, of course you know that the rider makes the difference when on the track. :)

  • kizzle426

Posted May 05, 2005 - 07:23 PM


I've got an '02 426. I've never been beaten into the first turn by a 450 of any brand. But you gotta keep in mind it's 10% bike, 90% rider. I've ridden a cr450 and an'04 yz450. I'm not saying it just cuz I own it...I HONESTLY like the power delivery of my 426 better. When it comes to weight, the newer yz450 was a bit lighter and more maneuverable, but I'm just fine with mine. One things for sure, when the price goes down on the '06 aluminum frame 450's, so lond 426 :)

  • grayracer513

Posted May 05, 2005 - 07:26 PM


Well, let's see, one is 15+ lbs lighter, and has 1.5-2.5 more horsepower....You figure it out.

The YZ450 geared stock, compared with a stock geared 426 gives up about 5mph on top to the 426. Mine's geared two teeth higher, and the top speed is the same. It hits the rev limit in 4th at 90.7mph on pavement.

Nevertheless, it's still 90% rider, and a YZ426 is nothing to sneer at.

  • Slowmotion426

Posted May 05, 2005 - 07:47 PM


Whoa...almost decided to hold onto my 426 there for a second..

  • Wyatt

Posted May 05, 2005 - 07:59 PM


I've never been beaten into the first turn by a 450 of any brand. :)

Wow...thats one hell of a holeshot percentage. Wish I could say that.

  • kizzle426

Posted May 05, 2005 - 08:12 PM


It's no bullshit. I've only been racing for a year or so. I'm sure it will happen sooner later. I'll have to except defeat. I've been beaten by two stroke 250's, even a 125, but never a 450.

  • Wyatt

Posted May 05, 2005 - 08:26 PM


I see you are in TX....where do you race Kizzle. I am in the Conore/ North Houston area as far as tracks go.

  • kizzle426

Posted May 06, 2005 - 12:34 AM


I'm sure a lot of you guys on here could beat me. I've been riding for 10 years though, so don't count me out too fast. Wyatt: I live in Waco and I ride at Burleson MX, Whitney(when it's open), and Village Creek. My home track is the Waco Eagles Club home track. It's a good beginners track with some really wicked tabletops and doubles. Next time you come through here, PM me and I'll give you more info. The website is http:/www.geocities.com/wacoeagles . Go there and check it out to learn more.

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Wyatt

Posted May 06, 2005 - 01:02 AM


Seems like there are a lot of guys on here that are closer to the metroplex area than to Houston. If any of you ever get toward Houston, Three Plams in Conroe has really turned into a great facility.

Sorry if this thread got Hijacked.....

  • kizzle426

Posted May 06, 2005 - 02:16 AM


I've heard a lot about that place. I went to the website after one of our members went there. Next time he goes I'm going to throw my bike in the trailer and come along. Should be in a month or so...after our next race weekend. I'll PM you to see if you're goin.

  • Scooter426

Posted May 06, 2005 - 11:13 AM


I had both bikes for a while and did a few comparison tests. The 450 will beat the 426 every time.

  • Satch0922

Posted May 06, 2005 - 05:26 PM


I have owned the 426 and ridden 03,04,05 Yz450F's.....in a drag race...it's whoever is the faster rider...on the track the 450's win. However after 4 months on the 250 smoker, even the 450 feels like a pig now....plenty of torque but it feels like a flying brick.

  • saucebox

Posted May 06, 2005 - 11:14 PM


i raced an 01 or an 02 426 labor day weekend last summer and I had him up till third gear when i missed a shift and he got by me but other than that i think i got the holeshot but the bikes accelerated at the same rate. we raced again but he jumped the gun on the launch and as soon as i got going he never pulled away from me nore did i gain on him so i think they are pretty well dead even.

  • Chad76

Posted May 08, 2005 - 02:22 PM


Does anyone know if the power has been mellowed out on the a 04 YZF 450 campared to the 426's?

I know the 05 450 has been mellowed out. Well thats what everyone seems to say.

  • Satch0922

Posted May 08, 2005 - 04:33 PM


I would not say the 04 is mellow in comparison to the 426's. In my opinion the 04 had the best YZF engine to date.

  • grayracer513

Posted May 08, 2005 - 04:55 PM


The '03 and '04 were essentially identical engines except for the fact that the '04 came with the GYT-R racing flywheel, which added 5oz. They're neither one of them what anyone would call "mellow".

  • Chad76

Posted May 08, 2005 - 05:04 PM


Sorry, mellow is probably the wrong choice of word. It is a known fact that the 426 are tyre shredding machines with very aggressive power delivery. Was just wondering if the 03, 04 450 they tapered off the aggressiveness a little to give it more traction to the ground? I know they did this with the 05 model compared to the 04 model.

  • arel451

Posted May 08, 2005 - 07:06 PM


I currently have an 01 426 and a 04 450. The acceleration times seem fairly close, the handling goes to the 450 no questions asked, as well as the suspension. I do kind of miss that fifth gear though...

Related Content


05 yz450f not fast enough by RedeyeYZ

Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • Hot  38 replies

2016 YZ450 by CaptainKnobby

Dirt Bike   Dirt Bike Technical Forums   Suspension
  • Hot  59 replies
WR Camshaft Swap Info - last post by jamesm113

WR Camshaft Swap Info

  • 0 replies

Yamaha YZ450F 2017 by Chris.GVS

Yamaha YZ450F 2017
  • * * * * *
  • 1 review
  • Last review by Tommyk_55
  • On January 15, 2017

The "going back to the other darkside" adventure... by Monk

Dirt Bike   Make / Model Specific   KTM   250/350/450/505 SX-F & XC-F (4-Strokes)
  • Hot  113 replies

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.