582 grey head upgrade from 54 bhp to 65 bhp

by Mircea Busuioc in 2 Stroke Technical Questions 12 years ago

Hello,
I have a Rotax 582/40, version 90 with grey head. The manual gives its power as 54 bhp (40 kW) @6000 rpm.
A friend of mine says that it is possible to get an upgrade kit consisting in a exhaust muffler and jet needle/ needle jet and upgrade this engine to 65 bhp.
Is this upgrade possible? What are the parts that needs to be changed and where to find them?

Re: 582 grey head upgrade from 54 bhp to 65 bhp

by Mircea Busuioc » 12 years ago

Mircea Busuioc

1 2 0

No answer here...anyway I asked also Rotax technical support and they said:

"regarding your inquiry we want send you attached 2 pages from the ROTAX spare parts catalog. On these pages you can see the different calibration in the carburetors and the different exhaust systems 582 / 40KW and 582 / 48KW!"

The only difference I see is the muffler part number, so I will give it a try changing the muffler.

Carburetorcalibration582.pdf (You do not have access to download this file.)

Exhaustsystems582.pdf (You do not have access to download this file.)

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582 grey head upgrade from 54 bhp to 65 bhp

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