Bad Gas 96' Sea doo xp

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  #1  
Old 07-23-04, 10:24 AM
jbd6017
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Bad Gas 96' Sea doo xp

I have a 96 XP that i just pulled out for summer. Turns over, but will not start. I'm figuring some bad gas. If i pour gas down the cylinder it will start for a second. I have pulled two lines off and blew them out, one going around to top of motor (it Y off to two line) and one that goes down to the bottom of the (i believe) injector pump. Is there anything Im missing or is there a better way to bleed these.

Thanks for any help!
 
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  #2  
Old 07-23-04, 10:40 AM
Ed Imeduc's Avatar
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If you left gas in it over winter You have to clean it all out. Could try some GUM out and carburetor cleaner. If your going to let the gas in it for a time put some STOR-N-START in the gas.

ED
 
  #3  
Old 07-23-04, 02:52 PM
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Hello: jbd6017

Your guess on the stale gas is correct. No amount of flushing the lines, fuel filter replacement, etc is likely to solve the problem. Most likely the carb is gummed up with gums and vanishes from the stale left in fuel.

The entire carb must be removed, disassembled, boiled out in carb cleaner, new parts from a carb kit installed and carb reassembled and reinstalled. All existing fuel adjustment screws reset to eactly where they are now set also.

Including a total flushout of all stale fuel from tank to feed lines and new fuel filter installed. If the system uses oil injection, that entire system also, in my opinion and from my experiences, needs to be totally flushed out also. All new two cycle oil needs to be added and the system primed, if needed, per manufactors instructions.

Anything less than a full service can be risky to the engine. Also likely to be needed and or serviced is the cooling system. A system that also needs yearly service. Failure to do so can cause extreme internal engine damage in a very brief period of time.

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  #4  
Old 08-04-04, 04:15 PM
Lee B
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Your carbs are probably gummed up, as was previously mentioned. You should dissassemble the carb and clean all the orifices. With those carbs (Mikuni Super BM I Series), no parts should be needed when cleaning.

Make sure to clean out the fuel lines (some years of Sea-Doos have bad fuel lines that would deteriate over time), fuel filter, and fuel pet**** (fuel selector valve).

EXTREMELY IMPORTANT: Sea-Doo recalled the fuel tanks on most '96 model XPs due to the area at the top of the fuel pickups cracking. When this is cracked, not only do you risk explosion, but the craft won't run right and the engine may seize.

So long as you are using quality oil, you don't have to worry about it having a shelf life.

The cooling system is an open-loop design. There is no maintenance required.

Install new spark plugs.
 
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