Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) > Discussions > Which Spark Plug do I use?

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Smitty

"He who dies with the most toys/tools wins!"

Location: Connecticut
Joined: Dec 28, 2002
Points: 237

Which Spark Plug do I use?
Original Message Feb 16, 2006 3:40 pm

On an Ariens ST724, Model 932027, SN 020355, 7 HP Tecumseh engine, I want to replace the spark plug. it currently has a Champion RJ19LM in it but I don't think that is the correct one. I have an Owners Manual and a Parts manual for this machine but neither one lists any info on the spark plug. Hope you can help, i want to put the right spark plug in there.

Ariens 824 Sno Thro, Toro 18" Gas Trimmer, Craftsman 3.5 HP 9" Edger/Trimmer, Echo SRM230 Trimmer/Brush Cutter, Toro 21" Recycler II Mower, Craftsman 8.5 HP Chipper/Shredder, Craftsman 25cc GAs Blower/Vac, Husky Y1000 Air Compressor, Homelite EZ ChainSaw, Husky Chain Saw

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EGreen

Location: Amherst (Buffalo), New York
Joined: Nov 4, 2005
Points: 57

Re: Which Spark Plug do I use?
Reply #2 Feb 16, 2006 4:26 pm

The Champion RJ19LM is the correct plug, you can use the standard J19LM but it may interfere with TV/Radio signals w/o the resistor. I think they cost the same either way. Almost all (if not all) Tecumseh 4-cycle engines use that plug.

Smitty

"He who dies with the most toys/tools wins!"

Location: Connecticut
Joined: Dec 28, 2002
Points: 237

Re: Which Spark Plug do I use?
Reply #3 Feb 19, 2006 10:31 am

Thanks Guys! I always know i can get the info here.

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