044 cylinder look

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swatbwana

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What is the opening of. The base next to the bolt hole

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hmmmm....then i guess im at a loss. im not really familiar with stihls, where does this cylinder deliver the pulse to the carb? weird that there would be a blind hole like that.
 
Never saw one like it, the 044 has a vent impulse tube straight from the CC to the carb

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it appears there is a boss cast into the cylinder, directly above the hole in question. Generally theres a brass barb pressed into a hole in that boss, which is connected to that hole in the cylinder base....
 
yep, that seems odd. where did you get this cylinder? maybe somebody with more knowledge than I will come by and solve this. usually theres a hole drilled and a barb pressed in there.
 
From a saw that had a bearing let go it hit the top of piston put a hole in it and dinged the combustion chamber no issues in the bore it's smooth as silk

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Cool 10 or 12 mm ? Or used on both I have not measured anything yet

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