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Gas-Powered (49 State) Portable Generator w/COsense 8125 Starting / 6500 Running Watt Gasoline Single fuel Portable Generator

Ratings & Reviews for Generac Gas-Powered (49 State) Portable Generator w/COsense 8125 Starting / 6500 Running Watt Gasoline Single fuel Portable Generator

4.3
1350
Review
 4.3 out of 5
1350 Reviews


85% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The generator is described as powerful, reliable, and able to power a variety of household appliances during outages. Many users praise its easy starting and ability to run for extended periods on a full tank. However, some experienced issues with the GFCI breaker, CO2 sensor, and insufficient power output. A few also found the generator to be too loud and had difficulties with assembly. Overall, the generator appears to be a capable and generally positive performer, but customers should carefully consider their power needs and be prepared to troubleshoot any potential issues.

Customer review summary generated by AI, including incentivized reviews.
1350 Customer Reviews

Disappointed fuse blows - Lowe's won't return

Would Not Recommend

We purchased a Generac generator from Lowe’s during a power outage, only to discover it was defective out of the box. The unit repeatedly trips the breaker even when nothing is plugged into the outlet. We have video evidence showing the issue. When we returned to the store, the manager told us corporate would not allow an exchange without an RMA from Generac. Generac then told us an RMA must be issued by a certified service representative—but there is no active certified representative availabl...

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Response from Generac

We are sorry for the experience you’ve had with your generator and the difficulty getting clear support between the retailer and service network. Tha...

GeneracFebruary 4, 2026

Generac

Lowes helped find a generator. Thank you.

Would Recommend

Works well generator

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Generator

Everything went well.

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Will probably be a unit once it runs properly

Would Not Recommend

Got it home right before an ice storm put it together and fuel poured out the Carburetor. So got it to a shop and the carb was nasty like it was a used carb and the bowl was misaligned. He got it running for the time being but it is still not right because it surges unless you leave the choke about half way. Contacted Generac and have to take it to a dealer that they have on there list to hopefully get a new Carburetor. Could not take it back to Lowe’s because Lowe’s want take back once you put ...

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Response from Generac

Hi Scott, we’re sorry you’re dealing with this, especially right before an ice storm. A fuel leak, surging, and needing choke to keep it running is n...

GeneracFebruary 2, 2026

Generac

Beware of a fuel leak on start up

Would Not Recommend

Read all the owners manual and followed all the start up procedures and it started on the first pull. BUT fuel pored out of the carburetor. Not a trickle, PORED OUT. Lucky it didn’t catch fire. Only did this once, I shut off the fuel valve and inspected everything. Found no visible leaks and started it again. Hasn’t leaked fuel again so not sure what was the cause.

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Response from Generac

Hello, we’re sorry to hear about this and we’re glad you shut the fuel valve off right away. For safety, do not continue operating the unit until it ...

GeneracFebruary 9, 2026

Generac

Lowes blows

Would Not Recommend

Order online paid for and was told they couldn't fill the order even though there were 300+ In stock.

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Response from Generac

Hi there, we’re sorry for the frustration with your online order experience. We understand how disappointing it is to be told an order can’t be fille...

GeneracFebruary 2, 2026

Generac

Fast assembly - good instructions- Dual Fuel

Would Recommend
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Never again

Would Not Recommend

I gave it the lowest rating I could. Can't say. Brand new, It leaked gasoline within a few seconds of half filling the generator and was unable to start the ignition. Under warranty, I tried to file a claim online then with store manager and was denied by both. Generac provided an approved service center for assistance, who will p/u and deliver after they service the defect. I hope it will work after that, as LOWE's was NO HELP AT ALL! I will only return to Lowe's to delete from my cc the fee ...

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Response from Generac

Hi there, we’re sorry you experienced this, especially with a fuel leak and a no-start right out of the box. For safety, the unit should not be opera...

GeneracFebruary 2, 2026

Generac

employees were helpful in loading this item

worked well

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