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Kiethshwiggy300

99 Yz400 Question

9 posts in this topic

How much does a 99 yz400 weigh im think about buying for 1500, and worried about the weight. Also he said "It runs but it is making a poping noise like the carb settings are wrong or possiblily a head gasket. I am not sure what is causing the noise. It will fire up and you can ride it but like I said when you get on the throttle it will pop." What could this be? Thanks Mike

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usually the popping is on decel, not when you get on the throttle. Maybe someone has the answer to that.

As far as weight, it's no feather. Using a bathroom scale (may or may not be accurate) I weighed mine @ 265 w/ a full tank.:ride: It's also pretty top heavy, especially compared to the new bikes. If the bike is in good condition, 1500 is a great deal. These bikes are a lot of fun.

BTW, are you gonna do MX or offroad?

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How much does a 99 yz400 weigh im think about buying for 1500, and worried about the weight. Also he said "It runs but it is making a poping noise like the carb settings are wrong or possiblily a head gasket. I am not sure what is causing the noise. It will fire up and you can ride it but like I said when you get on the throttle it will pop." What could this be? Thanks Mike

It most likely just needs a good carb cleaning.... these bikes are tanks get it for $1500 that's a really good price!

BTW it is imperative that the first thing you buy is an owners manual. :ride:

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It's probably not so much exactly how much is weighs but more so how it feels. That yz400 will feel quite a bit heavier than say a yz250 2-stroke, but the power band is a lot more comfortable and as far as jumping, be careful if you've never jumped a 4-stroke big bike as the throttle control becomes pretty important on the face of jumps, I've got a 98 yz400 and it is a blast.

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So the popping sounds like a jetting prob right, not a head gasket b/c i dont wanna deal with having to put a new head gasket on

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So the popping sounds like a jetting prob right, not a head gasket b/c i dont wanna deal with having to put a new head gasket on

As far as I know popping could either be caused by an exhaust leak or carb issues (jetting, dirty pilot, etc.) As far as the weight goes, it did take me a little bit to get used to, but no it feels natural. The bike is great :banana::ride:

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