[Christian Sarnecki]

From all I have researched I think I might have found a solution. I bought my EVO kit for my older motor a long time before my racing season started so I could get an advantage on time. After a side by side with another kart who bought their kit later than mine (2 weeks  before the season to be exact) I found out that their kit had some components (possibly wiring) that my kit was lacking. Later in the day another driver who purchased the kit around the same time I did experienced extreme RPM loss and ended up having the same problem. I then came to the conclusion that the “older” EVO kits are failing and need to be replaced. I am currently in the process of getting a new kit and will post again if the problems do not show themselves again.

[Christian Sarnecki]

I’ve been having a problem with my Evo kit also, I own a junior kart that just received the upgrade. To my surprise when I went out for practice the kart would not exceed 10,000 RPM’s. I’ve changed about 8 jets all without results and the motor pops until it hits 10,000, then the motor bogs down rendering my straight line speed close to none. The fuel pump, clutch and more internals have been changed with no change at all. I am now contemplating on whether I should send my kit back of put the older carb on.

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