Thank you for contacting AnswerARMY.
The sputtering sounds like it is most likely fuel related such as water, or contamination in the fuel system or carburetor.
The issue described has to do with the engine manufacturer, in your case it is Honda. Please use the following contact information to find your local Honda dealer.
You may need to contact Honda Engines to find a local dealer as well for an engine related parts and operators manual.
Thank you for contacting AnswerARMY.
The sputtering sounds like it is most likely fuel related such as water, or contamination in the fuel system or carburetor.
The issue described has to do with the engine manufacturer, in your case it is Honda. Please use the following contact information to find your local Honda dealer.
You may need to contact Honda Engines to find a local dealer as well for an engine related parts and operators manual.
http://www.honda-engines.com/