These are 3rd gen air assisted apex seal oil injectors.
Apparently there is some sort of diaphragm in these
things that failed resulting in the loss of apex seal
oil to the rotor housing. Result... two scrap rotor
housings with chatter marks. Don't take any chances.
Mix two cycle oil with the fuel and forget the
$1,100 oil metering pump and its fragile plumbing..

Paul Lamar

So why can't we do both?
We have the metering pump by-pass kit to get oil from a resevoir.
We put an earlier gen front cover on to allow us to use the mech pump.
Are the 2nd gen oil injectors different in such a way as to not have this failure mode?
Will the 2nd gen oil injectors work in our 3rd gen rotor housings?
...Chrissi

At your own peril Chrissi. I think a lot of engines are in junk
yards because of one kind or another of apex lube system problems.
Those puny five cent nylon lines get brittle and get cracked.

Paul Lamar
 
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