Thinking of getting the crankcases drilled above or beside the outter crank bearings, and uisng something like a main jet to supply a trickle of oil to the bearings for use with premix.

using something like an greedy oil catch can with a bicycle tyre valve to pressurise it, altering the size of main jets to gain a safe flow of oil with out backing up the front cylinder with to much oil flow,

experienced men out there do you know the rate a crank may use oil for the bearings. or - Sending email to bearing site with request of knowledge, have seen sight with bearings that go to 80 000 rpm not sure on weight limit though.

Might have to hit that snipper motor of MATTS for a smaller main jet.
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HRC Is Getting Expensive

Its' like the AIR is crappy at Ground level.