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Old 08-04-2018, 09:16 PM   #1
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Brand: Thor Motor Coach
Model: Windsport 29M
State: New York
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THOR #11919
Onan Generator -To Drain or Not to Drain

Onan 4K generator on 2018 Windsport 29M. The unit is exercised monthly but only used for dry camping a few days each summer. Mechanic told me it’s best to drain the gas from the bowl after each use to prevent carburetor problems. Others have said “don’t bother”. Opinions, comments, experiences, issues??
Thanks.

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Old 08-04-2018, 09:33 PM   #2
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Have had ours 4 years now: Never have drained the carb. I do run it frequently in the winter getting it warm. So far it fires right up when I go to start it.

Which mechanic? was that an Onan/Cummins mechanic or just the guy at the RV store?
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Old 08-04-2018, 10:36 PM   #3
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Brand: Thor Motor Coach
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Originally Posted by JamieGeek View Post
Have had ours 4 years now: Never have drained the carb. I do run it frequently in the winter getting it warm. So far it fires right up when I go to start it.

Which mechanic? was that an Onan/Cummins mechanic or just the guy at the RV store?


Not an Onan guy. RV mechanic who was speculating the carb problems could result if generator wasn’t used regularly. I’ve been draining it but wonder if I need to ad long as it is exercised monthly.
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Old 08-04-2018, 10:53 PM   #4
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State: New York
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Throw some fuel stabilizer in the tank, and you're good to go!
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