Aprilia Pegaso (Trail,Strada & Factory) FAQ

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Universally considered to be by far the best modification available is the ECU hack carried out by Samios Motorsports of Athens. 

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwi3vdadl-zsAhX5aRUIHQ9EDkcQFjAAegQIARAD&url=https%3A%2F%2Fecu-flashing.com%2F&usg=AOvVaw372TlqJqn3a0rcNEXgTEyd 

Spiros is an expert and gaining the best of the engine without overstressing or causing harm. Personally, I never noted a drop in fuel efficiency either.

Just a few horsepower are added to the top of the power curve but a big lump is added to the mid-range.

The results are:
  * SLightly more power but lots of mid-range lessening the need to change gear so much
  * Much smoother
  * Rev limiter raised to 7750rpm
  * Fan comes on at a slightly cooler setting
  * Small amount of fuel added when the throttle closes to vastly smooth out deceleration
  * No popping as AIS is bypassed (this needs to be sealed or you get exhaust flames)

By using this you bypass the need for snorkel mods or trying to find a power commander setting which works.

You need to tell Spiros the set up of your bike (which filter, which exhaust) and he creates the right ecu hack.

For Euro 220 it is great value.

As mentioned before the AIS needs to be disabled otherwise you get exhaust flames. carry it out as mentioned in  https://pegfaq.dyndns.org:743/doku.php?id=blocksas  

The long conversation about it is found here https://www.apriliaforum.com/forums/showthread.php?292665-Ecu-reflash&highlight=ais