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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 13581
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have onan OE 6219 992CC standby generator- motor started

Customer Question

I have onan OE 6219 992CC standby generator- motor started gushing oil through carb (natural gas) during weekly test run. Motor shut off because of no oil. I put 2 quarts and retried, same thing lots of oil through air breather and lots of smoke then engine shut off because of no oil, I took compression check of both cylinders rt 225 left 220. machine is four years old and has always had synthetic oil 5w30. only has about 80 hours on motor .
Is there a blow back line and if so where is it and how to clean and repair or any other suggestions Thanks
Submitted: 6 years ago.
Category: Small Engine
Expert:  Hank F. replied 6 years ago.

Thank you for choosing Just Answer for the solution to your problem.
My name is Hank, and I am going to assist you with this.


What is the brand and model number of the genset?

You have it listed as both Onan and Guardian - 2 very different sets.

The model number you provided is not for either of them.