Maintenance & Technical > KX250 / KX125
My bike is a pig. It eats gas and spark plugs.
kshackle:
--- Quote from: eprovenzano on June 09, 2006, 01:46:45 AM ---ust a thought... I have a 99 KX250, the specs call for a BR8ES plug, you are running a 9. The plug may not be hot enough. Depending on the riding I'm planning, I will run either an eight or a seven. If I'm heading to the track, I run an eight. If I'm out with a bunch of guys on their 4 wheelers, and will be slow wood/trails, I'll run a seven. I've had the bike to almost 2 years now, and only fouled 2 plugs. (both times I forgot to switch to a seven before hitting the trails.)
My bike is still running a little rich, I need to drop one notch on the clip, but I've been lazy and haven't gotten to it yet. After I change the jetting, I'll probably stay with the BR8ES plug.
--- End quote ---
Good point on the plug....I use a BR7ES since my riding is typically slow on the trails....my bike runs perfect and I do not foul plugs.
gowen:
Use the EIX plugs. Even with a bike horribly jetted it usally lasts a season.
BLAZE:
--- Quote from: eprovenzano on June 09, 2006, 01:46:45 AM ---ust a thought... I have a 99 KX250, the specs call for a BR8ES plug, you are running a 9. The plug may not be hot enough. Depending on the riding I'm planning, I will run either an eight or a seven. If I'm heading to the track, I run an eight. If I'm out with a bunch of guys on their 4 wheelers, and will be slow wood/trails, I'll run a seven. I've had the bike to almost 2 years now, and only fouled 2 plugs. (both times I forgot to switch to a seven before hitting the trails.)
My bike is still running a little rich, I need to drop one notch on the clip, but I've been lazy and haven't gotten to it yet. After I change the jetting, I'll probably stay with the BR8ES plug.
--- End quote ---
Just a quick qustion....Are you saying that the BR7ES is hotter than the BR8ES?
eprovenzano:
Yes the BR7ES is hotter then a BR8ES. The lower the number, the hotter the plug.
The bike was designed to run on the 8, but depending on riding type, I'll switch between an BR7ES and an BR8ES, but usually run a BR7ES.
Arigato:
Since I run mine is sand, I'm running a B9. Non-resistor, If you have a pace-maker, stand back!
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