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Old 23 October 2008, 13:22   #1
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How Long do Spark Plugs Lasts ?

Being reading lately several brands 2 strokes engines, they recommend cleaning, regaping at each 50 hours use for best performance, nobody specifies life expectacy. So if you care for regular interval clean-ups, use correct 50:1 fuel/oil ratios, run 1/2 to full throttle constantly. Would like to know other Ribnetters experince on this issue, like brands use, clean-up & regap intervals, plugs life expectacy ?

According to my experience, Jonyruds are electrode eaters compared to Tohatsu, so will need to be changed more frecuent in order to perform well. Will others state that this statement is true ? Have had the same experience. The plugs used were Champion.

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Old 23 October 2008, 13:50   #2
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plugs life expectacy ?
wen a plugg iz noo itt az wan billyon sparrks putt inn itt. sum enjins yewse theez sparrks kwikker thann uvvers butt wen ther gon, ther gone.

yew cann sennd de plugs bakk an av sum noo sparrks putt inn dem.


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The plugs used were Champion.
yus. myne wer pritty gud az wel.


garF
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Old 23 October 2008, 13:55   #3
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wen a plugg iz noo itt az wan billyon sparrks putt inn itt. sum enjins yewse theez sparrks kwikker thann uvvers butt wen ther gon, ther gone.

yew cann sennd de plugs bakk an av sum noo sparrks putt inn dem.

garF
Or snap the ends off, bury them and grow some more.
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Old 23 October 2008, 14:06   #4
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Or snap the ends off, bury them and grow some more.

dat ownly werks wiv bullbs nott pluggs yew cawnish nobwangir

gaRF
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Old 23 October 2008, 14:08   #5
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dat ownly werks wiv bullbs nott pluggs yew cawnish nobwangir

gaRF
Have you tried it? You Midland Muppet.
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Old 23 October 2008, 14:24   #6
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Thort hee woz Mancks
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Old 23 October 2008, 16:59   #7
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Thort hee woz Mancks
Now, what rhymes with Manc?
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Old 24 October 2008, 10:37   #8
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all depends on how much and how you run and the condition the engine, i have had plugs in engines for 4 or 5 years and have had no bother on the other hand on some engines the plugs need changing every year .having the correct plug and heat range helps too especially with 2 strokes ,if doing a lot of consistant slow or high speed running .with some of the early seagull engine plugs they could be stripped down and cleaned totally, i have one with a fuel priming tap on it .sad spark plug anorack that i am .
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Old 24 October 2008, 10:40   #9
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Just had mine changed out of a 4 year old ( 310 hour) Opti. It seemed to run noticably smoother on the new ones ! But at nealry 20 (x6) a plug I would hope so to ! All as per merc guidlines !
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Old 24 October 2008, 10:54   #10
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Just had mine changed out of a 4 year old ( 310 hour) Opti. It seemed to run noticably smoother on the new ones ! But at nealry 20 (x6) a plug I would hope so to ! All as per merc guidlines !
OUCH!

What number are they?You might be able to get some from the States cheaper.
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