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Generator not starting... check your plugs! (pics) #4728902
04/16/18 01:52 PM
04/16/18 01:52 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
I've had a Champion 4kw generator patched into my panel via 6 circuit transfer switch for years. Ever since new the generator would take a while with the electric start to get going. This morning I was prepping for the ice storm happening and couldn't get the darn thing started.

Checked oil level, ok.
Checked fuel, ok.
Sprayed quick start into the carb, nope.
Changed the spark plug - vrooom

The darn things starts on first pull now. A huge difference. It feels brand new.

Reading some history on these Chinese made Champion generators, they apparently come with really cheap Chinese made plugs.

I replaced it with a NGK BR7ES and she starts easy and purrs like a kitten now.


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: webfors] #4728907
04/16/18 01:55 PM
04/16/18 01:55 PM
Joined: Dec 2006
Posts: 8,366
Illinois
mrsilv04 Offline
mrsilv04  Offline
Joined: Dec 2006
Posts: 8,366
Illinois
Torch brand plug, maybe?


2004 Silverado - on its 3rd Jasper engine in less than one year.
Re: Generator not starting... check your plugs! [Re: webfors] #4728914
04/16/18 01:58 PM
04/16/18 01:58 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: webfors] #4728915
04/16/18 01:59 PM
04/16/18 01:59 PM
Joined: Mar 2016
Posts: 1,351
toronto
PeterPolyol Offline
PeterPolyol  Offline
Joined: Mar 2016
Posts: 1,351
toronto
Edit:
Gap doesnt appear ridiculous but that carbon buildup though.

Last edited by PeterPolyol; 04/16/18 02:00 PM.
Re: Generator not starting... check your plugs! [Re: mrsilv04] #4728918
04/16/18 02:00 PM
04/16/18 02:00 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
Originally Posted By: mrsilv04
Torch brand plug, maybe?


Not sure. Pics above. Thoughts?


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: PeterPolyol] #4728919
04/16/18 02:01 PM
04/16/18 02:01 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
Originally Posted By: PeterPolyol
What was the gap like on the old one? Any buildup?


Pics above, gap was definitely wider than the new NGK I put in.

Thoughts on the buildup? I don't have much of a reference point for that.


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: webfors] #4728920
04/16/18 02:01 PM
04/16/18 02:01 PM
Joined: Dec 2006
Posts: 4,219
Port Orange, Florida
Panzerman Offline
Panzerman  Offline
Joined: Dec 2006
Posts: 4,219
Port Orange, Florida
This happened to me too last summer. Honda generator, NGK plug. Tried everything and put a new plug in and it fired off first pull. Weird,never had plugs go in four strokes before.



2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack
Re: Generator not starting... check your plugs! [Re: PeterPolyol] #4728921
04/16/18 02:01 PM
04/16/18 02:01 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
Originally Posted By: PeterPolyol
Edit:
Gap doesnt appear ridiculous but that carbon buildup though.


Some chunks of the carbon fell off before the picture too. Had to wipe it off my laptop grin


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: Panzerman] #4728922
04/16/18 02:02 PM
04/16/18 02:02 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
Originally Posted By: Panzerman
This happened to me too last summer. Honda generator, NGK plug. Tried everything and put a new plug in and it fired off first pull. Weird,never had plugs go in four strokes before.


Me either. First time. The limited use they get... they should last a good long time.


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: webfors] #4728931
04/16/18 02:10 PM
04/16/18 02:10 PM
Joined: Mar 2016
Posts: 1,351
toronto
PeterPolyol Offline
PeterPolyol  Offline
Joined: Mar 2016
Posts: 1,351
toronto
Originally Posted By: webfors
Originally Posted By: PeterPolyol
Edit:
Gap doesnt appear ridiculous but that carbon buildup though.


Some chunks of the carbon fell off before the picture too. Had to wipe it off my laptop grin


Eek-barba-durkle oh yeah, that'll do it! Maybe the ol girl is running really rich

Re: Generator not starting... check your plugs! [Re: webfors] #4728955
04/16/18 02:36 PM
04/16/18 02:36 PM
Joined: Jan 2006
Posts: 1,118
Ohio
Dave Sherman Offline
Dave Sherman  Offline
Joined: Jan 2006
Posts: 1,118
Ohio
Agree on plugs making a difference in starting.

Strangely, my Powerhouse PH2100PRi generator has managed to ruin two NGK CR7HSA in fairly short order. They quickly got harder and harder to start before failing completely with no spark. One of them had cracked the center insulator and I could see a faint spark between it and the shell, but it would not run. For as bad as the Torch spark plugs are reputed to be, that's what got it started again after the NGKs died.


2015 Honda Pilot EX AWD Valvoline 0W-20 Bosch filter
1977 MG Midget Valvoline VR-1 20W-50 Bosch Filter
Re: Generator not starting... check your plugs! [Re: webfors] #4728974
04/16/18 02:51 PM
04/16/18 02:51 PM
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
webfors Offline OP
webfors  Offline OP
Joined: Jun 2006
Posts: 4,977
Great White North.. eh
Can anyone tell what brand of plug is in the pictures above?


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: Generator not starting... check your plugs! [Re: mrsilv04] #4728981
04/16/18 02:56 PM
04/16/18 02:56 PM
Joined: Jun 2003
Posts: 17,365
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content
Joined: Jun 2003
Posts: 17,365
Deplorable in apple valley, ca
Originally Posted By: mrsilv04
Torch brand plug, maybe?
Or a Bonan. Both are junk.


02 Wrangler durablend 10w40
87 F250 traveler 15w40
04 Tahoe super-s 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Generator not starting... check your plugs! [Re: webfors] #4729002
04/16/18 03:22 PM
04/16/18 03:22 PM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline
Joined: Apr 2009
Posts: 2,933
Canada
Plug looks sooty but not carboned enough to prevent it from functioning. Something else probably failed.

It's rare when a spark plug fails. However, occasionally they do. I think I've had a total of four plugs fail over five decades or so and I have a lot of engines.

Seems that it's becoming more of an issue with the influx of cheap Chinese plugs now available on the market.

Re: Generator not starting... check your plugs! [Re: webfors] #4729006
04/16/18 03:31 PM
04/16/18 03:31 PM
Joined: Sep 2015
Posts: 1,529
USA
mk378 Offline
mk378  Offline
Joined: Sep 2015
Posts: 1,529
USA
When you test the generator you should put a load on it and run for several minutes to burn the carbon off the plug.

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