August 19, 20179 yr This is what happens if a nice little stainless steel nut somehow finds it's way into your Beta Rev engine 01 - I'm guessing that massive "ventilation hole" is not supposed to be in my crankcase? 02 - Dead rings and debris 03 - RIP piston 04 - RIP barrel, or might I get away with that? Can't feel any actual scoring other than that damage to the port. FFS!
August 20, 20179 yr Saddened to see pics of your poor Beta:( First pic sure shows quite a bit of rust and pitting on the steel components...hope the bearings etc are...immune . Best of luck there
August 20, 20179 yr Since you are going to have to fit a new piston you may as well get the barrel replated. The crankcase is probably weldable, standard Beta cases are. That engine has had "worn out" transmission oil in it, hence all the rust. As oil ages or becomes contaminated its anti oxidant additives run out, Oxidation (rust) then starts.
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