Mild fumes after filling up

[sailingunc]

Hi All...great forum BTW.  I bought a 93 210 WA last July 2011 with tandem trailer and all the trimmings including nicely tuned and cared for 200 Yammy 2cycl carbed engine.  After a summer and fall of steady use I'm very happy with it all...only had to have it serviced once due to ethenol issues.  My question now before I winterize it is should tank be full or less or empty?  Reason I ask is that every time I filled it I would have some mild fumes smell after from the cabin area.  I ran some bilge cleaner thru it and that seemed to help, but wondering if I have a tank leak issue or fuel lines or other fittings?  Does anybody know what the tank is made of and if leaks are a problem?  Should I have it looked at by a pro?  Thanks

[231CALIFORNIA]

I have changed my view due to the ethanol issues, fuel seems to be going bad faster and phase separation is only going to get worse if 15%  goes into boats.  full tanks dont get condensation goes the thinking.  But tanks full of ethanol become stratified. no right answer , just choices with different consequences.
Your Tank is likely aluminum, you can check it by looking throught he deck plate .
an old  fill or vent hose may add some smell especially at fill up, if bad replace.  if you dont feel comfortable checking it yourself  you best get a pro.
If you did  somehow have a tank leak you wouldn't want the tank full
imo.
most tank leaks will soon  give a Strong and continual odor once they are big enough to let out liquid.
Replacing a fuel tank in a Proline is dreaded by most of us as the deck has to be cut,  and then repaired on the models Ive seen

[Bruce03]

 The consensus I hear now regarding ethanol is to empty your tanks for winter rather than filling them and the logic is that the problem used to be condensation but today the big problem is ethanol stratification.  My marina still has 10% but it's anyone's guess if they will be able to continue to buy 10% or be forced to accept 15%.  Zero ethanol is possible becuase planes and airports need them but for some reason I've never seen a marina selling zero. 

x2 on not filling if you suspect a leak but I would get that taken care of before it takes care of you!  

Bruce
_____________
Loose Rules V
1998 Pro-Line 3250, LXi 7.4's, B3's

[sandflea]

With a little hope, congress will reduce or do away with  the subsidy they give the farmers for corn.  Then we can have real gas.  I have sent several emails to the ethanol associations asking what the solution is to help the marine industry.  Not even an automated response!  E10 has also had a negative impact on the auto industry.  Folks that drive a ton of miles are ok.  The senior population that drives few miles, are faced with the same issues we have in the boating industry. 

[JG]

I just did a tank replacement myself a couple of months ago. Not for the faint of heart. But it did give ne a chance to check out the insides of my 17' CC.
Not bad at all for a 1995. Regarding the fuel issue. I ALWAYS use marine stablizer in the fuel I use. And since I have an older [orginal 2 stroke] motor I
use premium fuel also. I agree with the notion of draining the fuel for the winter.
Since I live in Texas I will use mine at least once a month December - March which means I only fill it before I use it. My mechanic puts 10 gals of either racing or avaition fuel in his tanks [w/ stablizer] before he winterizes his clients
boats.

JG

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