Lifetime is the life of the warranty. Same in vehicles.
For a SORE to be “legal” in CA, the engine must list an emissions “durability period” in hours. I believe B&S has their engines rated for 125 hours. That’s the time you should expect the engine to run without major issues(CARB and the EPA look at exhaust emissions and fuel system integrity) but many can go longer with maintenance.what is Briggs & Stratton's engine life claim? (usually there's a sticker with tiny print indicating that hour use spec.)
Once a year drain is what I do, like mentioned above. Engine goes 12 years, give or take, before a bad rod or high oil usage forces
a swap. (Snapper self-propelled walk-behind, early eighties 6 speed Hi-Vac) I probably would buy the new 'no oil change' B&S, for use on my
antique, but I'd still drain every 12 months, & filter & plug & blade check/swap. Why would I neglect my own equipment? I'm not that lazy. Yet.
edit: seems the no oil change required engines have a two year consumer warranty.
It's actually how long you can expect the engine to meet its emissions cleanliness standard, not how long the engine will run without major issues. Many people think it is how long the actual engine will last.For a SORE to be “legal” in CA, the engine must list an emissions “durability period” in hours. I believe B&S has their engines rated for 125 hours. That’s the time you should expect the engine to run without major issues(CARB and the EPA look at exhaust emissions and fuel system integrity) but many can go longer with maintenance.
Occasional use and durability period
Stihl classifies their saws as "Occasional Use" (more recently "Homeowner"), "Farm and Ranch", and "Professional". On the model tag of some Poulan Pro saws it says "Durability Period 125 hours". What distinguishes these different kinds of durability? Are these saws even worth trying to fix...www.arboristsite.com
Also, for years B&S didn’t want anything but a straight 30/40 weight oil, with 5W-30 being OK for the winter. Their reasoning was the VIIs in multi grade oils would contribute to deposits on the valves.