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#1
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Plug Fouling
New member here, in Newcastle NSW, 08 EC300.
Anyone got any suggestions re jetting, curing plug fouling? I haven't ridden it yet but bought from a mate who tells me it does this sometimes. It has new top end and the old piston had a lot of carbon on the crown. |
#2
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Quote:
you will need to try and find out which circuit is off - start by checking the jetting database for similar bike and conditions
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2003 txt250 Pro 2013 Ossa 280i |
#3
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Check the carb needle jet. Take carb apart and look down the hole with the slide removed, a good light and a magnifying glass. It should be round and not the least bit oval.
Check gearbox oil level. I've never fouled a plug.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#4
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Carbon
I noticed the piston recently replaced had a lot of carbon build up on the crown. I was also told it doesn't usually idle well. Other threads I've read have given me the impression that unsuitable jetting is a common issue. I would've thought this would be an easy fix - ie these are the carb settings to use. I think I'll just ride it a bit and see how it goes. 50:1 Motul semi-synth?
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#5
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I agree.
how old is the bike? and what type of riding do you do? I was mostly slow technical stuff, not wfo for any extended periods. Found motul 710 worked best as it had a lower flash point, but oil/fuel mix is not the fix
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2003 txt250 Pro 2013 Ossa 280i |
#6
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What carby is fitted to it? Round top As1 or bolt on As2?
Read the jetting threads. If it has the stock jetting pick anything posted on there and it will be better!
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Back on a gassy! 2018 EC300! 🤘 Txt 280 07 to make me feel like a gumby again |
#7
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Same as you. It's an 08. Fresh piston.
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