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How long do you ride for plug check?


01bansheefox

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and please learn how to check a plug. warm the bike up on old plugs.... get on road. kill bike and swap to new plugs. start the bike and run it wot until you max 6th out. pull the clutch and kill the bike. once stopped put old plugs back in and ride home. cut the threads off and post pic's or take the pic so we can see down in the plug. should only be a brown ring down at the bottom of the porcelain.

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here man, i say it looks good, i usually guess close and ride for a good 1/2 hr then check.... i was at 350s with pipes and k&n no lid(all stock mtr.), at appx60-70 deg 500 ele. many ppl will say thats wayy to rich but , you know what? i dont wanna replace/bore/hone my topend every year

 

check this out, read thoroughly if not familiar with jetting

 http://www.dfn.com/agservices/jetfaq.html

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  • 2 weeks later...

To get an accurate reading the bike needs to be wide open. Definitely not for a mile though. When you run it on the lower jets, be very aware of what your bike is doing. If it coughs, chokes, hesitates, sputters, or just doesn't wanna rev. Shut her down fast! Then check the plugs.

 

Your current plugs are not Lean. They look pretty typical of the average trail rider bike. Maybe a touch richer.

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The ring around the plug that has the ground strap welded to is clean. You want that ring to be fully colored all around.

 

There is a lot of ways and opinions on how to check plugs for jetting, some are better then others.

 

best way I found out was to do by feeling and how it runs, always start out rich and work your way down. Only change 1 thing at a time.

 

I was going to post a link to a plug reading site but my work computer cant access it so I cant verify if its the right one.

 

as what a few said... its rich from the looks of it but close...

 

 

If you dont think its rich... keep going up on your main until it sputters or you pull out a wet plug. Thats what I did the last time I needed to jet, it makes it real easy to figure out where to go from there

what he said

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