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How is the best way to turn over an Onan engine 18hp twin cylinder that has not been run for 16 years I would like to get it running . Any advise is appreciated THANK YOU !

Trying to start a lawn tractor with an 18 hp Onan engine that has been sitting for 15 years. How is the best way to turn over the engine without damaging the cylinder walls. should I unsrew the sparkplugs and shoot oil into the cylinder or if someone has a better way please advise THANK YOU. A...

someone please send me a tip how to restart an old Onan engine. the engine is in a garden tractor that has not been run for 10 years should I remove the spark plugs and squirt oil or something like WD 40 into the cylinders to prevent damage? any tip would be very welcome & appreciated THANK YOU.

I have a cub cadet #2186 with a 20hp Koehler engine that has run after unless I let it idle about 5 minutes before shutdown. I would like to install a sparkplug with a lower heat range ( cooler running sparkplug ) original Koehler # is 759-3336 can anybody suggest comparable champion or other...