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582 high power exhaust

in 2 Stroke Technical Questions 7 years ago
Hi all. I am after confirming what other changes are required to a Rotax 582 engine when fitting a higher power exhaust. I have been told the carb jets must be changed. Anything else? I have two aircraft fitted with higher power exhausts and I want to know what differences I should be looking for on a strip down. I seem to be struggling to find any details written down anywhere. I know it is covered by MAAN M101 in the UK but I can't find the details of that anywhere either! Thanks. Shelley

  • Re: 582 high power exhaust

    by » 7 years ago

    As per the statement in the Rotax 582 instillation manual.

    Considerable effort has gone into the design of the ROTAX exhaust system. Any changes to the original system may severely deteriorate performance, reliability, engine life, fuel economy and ability of noise reduction. Improper handling or modification of the exhaust system as supplied could ruin the engine. Beware of any accessory systems that advertise an improvement over stock components.

    The exhaust system is tuned for the respective engine and performance and must not be changed.
      
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  • Re: 582 high power exhaust

    by » 7 years ago

    Here is the stock jetting for the Rotax 582 engine with the use of the Rotax 582 exhaust. (No other exhaust system is permitted to be used on the Rotax 2 stroke engines)

    Jetting for engine without intake silencer:

    Main jet - # 165
    Idler jet - # 55
    Needle Jet - # 2.72
    Jet needle - # 11G2
    Needle Clip position - # 3 from top

    Jetting with intake silencer :

    Main jet - # 145
    Idler jet - # 55
    Needle jet - # 2.68
    Jet Needle - # 15k2
    Needle Clip position - # 3 from top
      
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