John Deere LX172 Kawasaki FC420V loud backfire when starting: Replace spark plug, coil and igniter

Igniter and ignition coil combo: amzn.to/3RhdoQ4
Spark plug: amzn.to/47Q1F1S
Throttle cable: amzn.to/46K1pQI
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This John Deere LX172 came in for a loud backfiring while starting issue. The customer already wanted me to replace the ignition coil since it was worn at the end, so I purchased an ignition coil and igniter set as well as replaced the spark plug. That seemed to do the trick!

[@cnrmoose]

happened to mine, it was the igniter, scared the crap out of you when it backfired

[@Pete.Ty1]

👍👍👍. Thank you

[@robertmailhos8159]

Loud back fire I've got to replace the ignition switch on my craftsman gt tractor when you put.a.t.f in flat tires do you use a. Bottle with a tube on the bottle just like slime tire and tube repair liquid

[@EllisMowersandmore]

I started by using a Slime bottle but now just use a funnel and a hose. I push down on the tire to let more air out and then take my foot off the tire so that it sucks the ATF in.

[@robertmailhos8159]

@@EllisMowersandmore thanks for the info on this matter Casey

[@FarmerGuy-1]

If I had to guess your igniter was the problem. I keep an extra one for my mower all the time.

[@EllisMowersandmore]

I saw where it could be any part of the ignition system, but I think you're right.