When the 46FX peels or wears out naturally------ you can replace the piston/cylinder assembly with parts from the 46Heli engine. The heli is a ringed piston/cylinder. It's an exact fit and will run great. It's still a nickle lined cylinder, so can't attest to longevity, but mine runs absolutely awesome. It runs a few thousand RPM better now than when it was ABN and brand new. I did replace the bearings with some nice Boca bearings, but thats the extent of the hop-ups on the engine. I'm convinced that the ringed piston/cylinder runs better than the ABN. Give it a try when your engine wear out.
ORIGINAL: Scott Crownover
Can't remember who, but someone pointed out that chromoe plating has become increasingly problematic from a buisness standpoint due to disposal of toxic waste that is produced. Myabe harder to set up profitably in some countries as opposed to others. Not making excuses for O.S., just repeating what somebody pointed out. It'll be a pain if either of my .46 FXs peel, but meanwhile they continue to run sooooo sweet. Glad to hear that the Magnum liner will fit.
SC