Spares package is not nearly that high
I have to disagree with Wes. I have killed my Honda with low oil level/pressure and no driver action. Completely my fault. Con rod was $65, brand new. Crank was $550 brand new. No machining, no guessing, just wrenching to put it all back to new. Had I done that to one of my kents it would have been way worse on my wallet. The computer that controls the engine is plugged in once and you never look at it again. Don't know why the computer shows up as a negative.
I bought a complete engine for $750 to have a full set of spares including sensors, in the trailer at all times. I did spring for two new crank sensors ($46 each) and two ignition coil packs at about $110 each to have in the spares box since they are known to fail once in a long while. I really am ready for just about any repair now that I have that in stock. I do not carry a spare ECU, but I have also never heard of one failing.
If you asked me which engine to invest in I would lean on the side of the Honda, but I do have a Kent coming together right now to go into the Royale, and have to admit that $12K for the Honda kit is whats driving that. If it was 8K I would be changing over