Porstala F9
Member
- Jul 30, 2003
- 345
- 0
Originally posted by hoosierf
Search Marcus Gunby's posts for information on the plug. He has posted some good information on that topic. I don't know anyone who tears the engine apart after break in.
Originally posted by marcusgunby
i dont think its identical to the rm plug but its very similar, just ask the dealer to look up the 04 KX125 std plug.It maybe more expensive than a BR9eix but its sure cheaper than a engine rebuild.Many of the std ones broke in 03 and left many riders with a damadged engine.Kwak replaced the plug for 04 for a reason.
Originally posted by bclapham
if the plug is fouling, that is becasue of the carb setting and not the plug. go to the dealer, get the 04kx plug and then get some jets as well. then have a look at www.eric-gorr.com for a jetting guide
Originally posted by marcusgunby
If you dont get it jetted right, you will spend more on plugs than i do in tyres.Once jetted right it should never foul a plug again.I had a cheap plug in when my engine blew, this was a combination of detonation and a cheap plug.Dont make the same mistake i did.
Originally posted by Porstala F9
I don’t know if I would jump right ahead and buy a jet kit so quickly. My advice would be to give it some time. With my 03' KX 125 I was fouling plugs a lot, and I too had a bit of spooging occurring when I first got it as well. After I got a couple hours on it, and broke the bike in more, the fouling of plugs problem was occurring much less. My average plug after that lasted almost 2 and sometimes 3 months, even with some slow paced trail riding, all with stock jetting. I recently rejetted the bike and I am now on the same spark plug I was on in August and it has yet to foul :) *knock on wood*
But if the problem persists, I would also recommend jetting. But give it a few hours first.
Originally posted by holeshot
You're making this jetting thing sound like VooDoo or some sort of black art to be feared. It only takes a few minutes to swap to leaner jets. I've gone all the way down to a 130 on the pilot (but most only went down to a 35 or 37.5). I don't know what this "kit" is - the jets are individually available at nearly all dealers that sell japanese bikes.
Your saying that your bikes was really rich at first, but after a few hours it lean out? I've got some beach front property in Arizona that you might be interested in. Just because you haven't fouled a plug recently doesn't mean it's jetted right. (You are way too rich)
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