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Discussion Starter #1
Hi,

My '02 998 decided to not start anymore during the middle of my first track day. I was able to jump start her again and everything was fine. Came home and put her on a battery tender for a couple days hoping that would do the trick, still no luck.

My question is, now when I try to start her, a funny smell that can only be described as 'rotten eggish' comes from just under the gas tank area. Any idea what is causing that smell? I'm assuming the battery is shot since battery tender doesn't even work to recharge it, but is it suppose to emit that funky smell, or did something burn up? It happens after I press the starter button, for about 3 seconds. The engine won't turn over, seems like a 'weak' starter, and then the smell comes.

Any ideas?

Much thanks in advance..
 

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Hydrogen sulphide gas..
Your battery is stuffed.

Time for a new one.
Might pay to clean down the battery carrier area with bicarbonate of soda to neutralise any acid that will start to eat things.
 

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Hydrogen sulphide gas..
Your battery is stuffed.

Time for a new one.
Might pay to clean down the battery carrier area with bicarbonate of soda to neutralise any acid that will start to eat things.
+1, get it out of there:eek: ASAP as it probably puking sulfuric acid all over your baby as we speak :eek:
 

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Discussion Starter #6
Thank you! to everyone who responded... I should've paid more attention in chemistry class...

What is a good battery for a 998? Anything I can pick up at Cycle Gear, or is there a 'preferred battery' for these bikes?
 

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Thank you! to everyone who responded... I should've paid more attention in chemistry class...

What is a good battery for a 998? Anything I can pick up at Cycle Gear, or is there a 'preferred battery' for these bikes?
I prefer gel cell. Less maintenance and no spillage. I currently have a wet cell Yuasa though.... it was the most available one I could find in my area and I wanted to ride NOW!!!
 

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Since it seems we might have some "chemists" on this board, I'm gonna ask.
For the last year or so, I've noticed a strong "rotten egg" smell outside of my house when the wind is blowing a certain direction. I have never been able to pin it down. Is there a "natural" source that would make this smell? I live in a coastal mountain range and have a lot of giant redwood trees nearby.

I'm also an ex-mechanic and have lots of experience watching batteries explode. :eek:
 

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Since it seems we might have some "chemists" on this board, I'm gonna ask.
For the last year or so, I've noticed a strong "rotten egg" smell outside of my house when the wind is blowing a certain direction. I have never been able to pin it down. Is there a "natural" source that would make this smell? I live in a coastal mountain range and have a lot of giant redwood trees nearby.

I'm also an ex-mechanic and have lots of experience watching batteries explode. :eek:
Yes, being that you're near a coastal mountain range, sulfur springs in your area could be causing it. I'm not a chemist per SE but I have a lot of chemistry background in college ;)

PS- volcanoes scare the shit out of me and so does any other form of geological unrest- just saying.
 

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Yes, being that you're near a coastal mountain range, sulfur springs in your area could be causing it. I'm not a chemist per SE but I have a lot of chemistry background in college ;)

PS- volcanoes scare the shit out of me and so does any other form of geological unrest- just saying.
Sounds reasonable to me. I am not really a chemist either although I do have a degree in it and a Ph (didn't finish my PhD :) as I left to go sell motorcycles years ago)
 

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Hey. After you install a new battery, check the charging voltage across the positive and negative terminals while the bike is running. If the regulator is overcharging, this will also give you that smell and could explain why your battery puked in the first place. Rev the motor while in neutral, you dont want to see anything above about 14.4v.d.c.
 

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Hi,



My question is, now when I try to start her, a funny smell that can only be described as 'rotten eggish' comes from just under the gas tank area. Any idea what is causing that smell? ..
Once owned by a Harley guy? (Sorry, couldn't resist.)
 
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