Just got a nice used generator from Honeywell - it's gas powered (I plan on installing a tri-fuel kit for gas, propane and natural gas).

Wondering how I should base line it - what are some common tasks that I should do, other than change the oil for maximum life and dependability?

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1987 Mercedes 300SDL; SOLD
1985 Mercedes 300D; SOLD
2006 Honda Pilot - wife's ride; 122K;
1995 Toyota Land Cruiser - 3X locked; 182K