Steahly Yamaha YZ250 / 250X 03-25 11oz Flywheel Weight

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Description

Make your power more smooth and tractable, reduce stalling, get more predictable and reliable power using a Steahly Flywheel Weight. Easy installation, no special tools needed, but an E-3 engine lock up tool will make it easier.

We recommend adding 11 ounces for most intermediate trail riders and less aggressive MX riders. 9 ounces for aggressive trail riders and intermediate MX riders. 13 ounces for casual trail riders or very technical terrain. 7 ounces for aggressive MX riders.

Fits under the stock plastic ignition cover with out modification, however, if you have an after market metal cover such as Boyesen, you will need to get our Y-826 cover spacer.

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10 Reviews

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30/04/25

Cooper W.

28/08/22

11oz flywheel weight

Completely different bike now, so easy to ride slow on rough steep hills. Makes the bike almost impossible to stall but still has a nice snap off the bottom when you need it.

Robert C.

26/12/21

Steahly 11oz Flywheel Weight

Fantastic product. Took 10 mins to install and my bike fired straight up first kick after 8 months storage. Makes it so much easier to kick over with the extra weight on the crank. Thanks guys.

Shaun S.

06/11/21

Awesome!

Fitting it took 10 mins.
It's made my YZ250X feel like a 450. It's given it that low down torque for tight techy trails but still had the power up top. It definitely doesn't have the same snap, but makes the power spread out more across the rev range.

Apart from tuning, it's the best thing I've done to the bike

Geoff J.

03/06/21

Fly wheel weight

Great. Easy to fit and smooths the bottom end power out well without hurting the top end power. Easier to ride on bush tracks when you are not always flat out. Excellent product.

Campbell F.

10/05/21

Flywheel weight

Best thing I've done to my yz for the trails 10/10

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$234.95

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Four payments of $58.74