This may be the wrong way to word it but.....

3 replies to this topic
  • kawirider

Posted June 26, 2006 - 08:16 AM


I want to make my '03 YZ450F have a more CRF450R like powerband. I rode a fellow TT'ers '03 CRF450R this past saturday and I really liked the powerband on it. My bike will happily break the rear tire loose at 1/4 throttle and his bike will just grip and pull. He said that my bike would act the same if I just got a flywheel weight. So, I want to know how much I should add. All your help is appreciated!

  • Ga426owner

Posted June 26, 2006 - 10:18 AM


A flywheel weight is key for every 03 was under weighted from yami period....

You will get all kinds of answers to which weight....
Fox MX only 4-8oz ..... DRD, GYTR, Stealthy, ZipTY all of them sell them

I settled for a 5oz GYTR - works great. :excuseme: ain't no CRF.....the power is more linear on the CRF and harder hitting on the YZF

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

Posted June 26, 2006 - 01:57 PM


Goto to the Yamaha site to GYTR section, they got flywheels for $100, and you can put the stock one back on when you need less weight

  • grayracer513

Posted June 26, 2006 - 02:08 PM


Two things:

The 8oz Dr. D flywheel (you can exchange it anytime for a lighter one, but trust me on this. it won't be a bit slower on the straights)

A Power Bomb header.

Then run your buddy's CRF out of a loose corner and see what happens.

Related Content


Snake pit oct 30th by The Anvil

Dirt Bike   Dirt Bike Regional Discussion   California
  • Hot  293 replies

1998 yz400f will not idle. by trolley

Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • Hot  32 replies

05 yz450f not fast enough by RedeyeYZ

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

Should I buy this bike? help....... by Numsa Hul

Dirt Bike   General Dirt Bike Forums   What bike should I buy?
  • * * * * *
  • 10 replies

Chubby dad, looking at bikes , First trip to the orange/black forum ! by Slow_ride

Dirt Bike   Make / Model Specific   KTM   250-530 EXC/MXC/SXC/XC-W/XCR-W (4-Strokes)
  • Hot  28 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.