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Old 07-02-2008 | 10:53 AM
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v_tolias
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From: rozena, GREECE
Default Engine specs

Do you know what is the size of OPS's 45 shaft? 6mm,8mm?
Also , do you know what size of prop sould i use for this engine??It is on a 80cm hydro!
What's the difference between drum valve and disc valve engine?
Thank you!