Quote:
Originally Posted by Triple Jim
Greg, you're saying that oil pumped to the right main bearing gets out into the primary gear area and onto the gears? OK, I'll buy that. I think I was probably biased from my 2-stroke experience... those engines have sealed bearings, of course, so no oil gets to the primary gears by that route.
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Yes, the EX250 Service Manual Engine Lubrication System diagram uses what looks like a large comma (or maybe it's an apostrophe) to indicate locations where oil under pressure flows out of ports/vents in the camshafts and gearbox shafts and from the perimeters of plain bearings and there's a comma/apostrophe shown at both ends of the crankshaft.
(I'm looking at my Pre-Gen Service Manual but I'm pretty sure the crankshaft oil flow didn't change with the Next-Gen)