441 general questions

[Daniel VanMeveren]

Hello everyone few questions on a stihl ms441 non m tronic rebuilt saw with a big bore kit tested compression came out at 145psi this seems good can I expect this number to go up after break in got 2 tanks of fuel through it I know it will take 12 to 15 for the most power just curious if this number will go up also I got the carb set a 3/4 on h and 1/2 on low this sound right for a big bore saw thanks for your time and have a great day

 

[Andyshine77]

It will go up a little, but the big bore kits are hit and miss on how they run. Carb settings vary depending on temperature, altitude, fuel and so on.



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[Daniel VanMeveren]

Thank you for getting back to me this was very helpful thank you again