HP numbers differ between shootouts

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10/26/2018 5:36 AM

Hello fellow mx'ers,

a question: studying the various tests of the Husqvarna fc450 2018/2019 i see different horsepower numbers.
Some claim 58 hp (mxa/dirt bike mag dyno runs), some say even 63 hp.

Who's to believe?

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10/26/2018 5:48 AM

Every dyno will get a different result depending on how they set it up.

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10/26/2018 5:52 AM

Pay more attention to how each bike differs on the same dyno.

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10/26/2018 5:53 AM

Every dyno reads slightly different. Weather/altitude/motor temp (was it the first dyno pull, or the 4th?)/.etc also have a large effect on HP. It’s nearly impossible to make an apples to apples comparison unless the dyno runs are made back to back, same dyno, same day.

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10/26/2018 6:32 AM

Edd71 wrote:

Hello fellow mx'ers,

a question: studying the various tests of the Husqvarna fc450 2018/2019 i see different horsepower ...more

Believe both.

63hp is from Husqvarna’s website and is horsepower at the engine.

56-58hp dyno tests are showing horsepower at the rear wheel.

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10/26/2018 6:47 AM

A dyno is a tool used for tuning. Nothing else.

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Race Bike: 2018 KTM 350SXF

Other Bikes: 1985 CR80R, 1990 CR250R, 1998 PW80, Specialized Fuse Comp 29.

Sold: 2016 YZ250F, 2012 CRF250R

10/26/2018 6:48 AM

Thx cool So stepping up from 350sxf to fc450 is def. a step up in hp.

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10/26/2018 11:55 AM

Edd71 wrote:

Thx cool So stepping up from 350sxf to fc450 is def. a step up in hp.

Hm, definitely a step up in torque

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