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Discussion Starter · #1 ·
Hi @ all,

i have a Predator 500 with the Subaru Engine.

I bought the 558 Wiseco BigBoreKit with a sleeved Cylinder.

Do i have to change the valves and valve springs or can i just Plug and Play with the OEM one´s ?!?

Greetings
 

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Yes you will be fine and if you change the cams you will still be okay only tie u eed too change is if you go with a wild lift cam from webcams but they will tell you what you need......
 

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hes right on im guessing right around a 165 with 2.5 turns out on your a/f thats what most hpd kits are running on @ polarisproriders.com
 

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air fuel screw i would test from 2.5 turns out too three actually see if your can get it too come in properly and not pop

located bottom side of carb brass plug may be covering it........if not it has a flat head screw driver brass jet setting there
 
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