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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
1349
Review
 4.3 out of 5
1349 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.
1349 Customer Reviews

Missing Hardware

Would Not Recommend

It was missing hardwear. Contacted Generac and they said they would ship withing a week. Didn't happen and contacted them again 2 weeks later. Didn't happen, so returned to Lowe's. If this is the customer service for a couple of nuts and boolts, noway would we trust them for warranty work! With how they did nothing about the missing hardwear, Lowe's management agreed that if we were to use aftermarket hardwear Generic might void the warranty. We have no idea if it's a good generator or not, as ...

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Would Recommend

This Generator is amazing.

March 22, 2026
Verified Purchaser
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Sold Out by the New Lowes

Would Recommend

Returned new generator as no idler to preserve full. Ordered more expensive one with idler. Lowes has not refunded money to credit card. New one arrived. Guess what, the new one is the same identical generator. Don't know if I can trust the present Lowes as they are either incompetent or something else

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Great but a little noisy

Would Recommend
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Highly satisfied with product.

Would Recommend

Bought this generator in anticipation of bad winter storm approaching. Had a 15 year old generator that this new one was replacing. Thankfully winter storm did not knock out my power. Generator was packaged well. Went together like instructions said and fired right up after oil and gas fill. Thankful of the electric start. Am satisfied with the quality of machine. Now I have a new one if I need it.

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I wish I didn’t buy this

Would Not Recommend

Never works off of propane only gasoline. Provides dirty electricity at 63-64 hertz.

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Shipping was pretty fast

Would Recommend

Is the best brand for generators

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First start - Fuel Squirting out the side of Carb!

Would Not Recommend

Bought this Generac a few weeks ago. Just unboxed it, added oil and gas. Started it up and gasoline squirted all OVER the place, from the side of the carb! Nice job, Generac! NOW what do I do?

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Would Not Recommend

Out of the box it did not work( Generator) /called store and Generac and they keep transferring me around and saying it had to be returned in 48 hours during the snow storm which they knew was impossible! I did not buy to return but I certainly am not going to find out what's wrong and buy parts to fix it myself so if anyone can tell me where else i can go to find some answers please do because Lowe's will not help.

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DO NOT BUY!!!

Would Not Recommend

After 12 hour s of running, the motor started leaking oil. After 33 hours the GCFI outlets kept tripping with no load on them! Called GENERAC and was told to take it to an authorized repair shop. The shop said this is a common issue and they are hard to fix because GENRAC subbed the engine building out to some cheap factory in Taiwan!! Looks like I may be OUT 1000+ dollars!!!!

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Response from Generac

Hello Mark, we’re sorry to hear about the issues you’ve encountered with your generator; that’s not the experience we want for our customers. Rest as...

GeneracFebruary 17, 2026

Generac

Easy to use

Would Recommend

Easy to use

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The Boy Scout Motto Still Holds Up

Would Recommend

I’ll be honest — I would have preferred an inverter generator or even a whole‑house standby system, but when you need power, you need power. I’ve lived in my home for over 12 years, and while the electricity usually comes back on within a few hours, I’ve learned that comfort and security matter more as I get older. The truth is, I may never actually need to run this generator in a real outage. But I’ll start it regularly to keep it ready and keep clean fuel running through it. For me, this purc...

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