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View Full Version : Is it just me, or is my 27hp kawi sucking the gas!


gravelyman50
06-01-2011, 07:31 PM
I hAVe a gravely pro turn 60" with the 27 hp kawi.. I really need to keep track of my fuel usage on my hour meter because that is when the mower is actually running, but i am only get about 7-8 hours of mowing done per tank. My other gravely with the 23hp easily gets double that, and i owned a 25 hp. kawi that was also very good on fuel.

Is there a carb adjustment or something? its only got 170 hrs on it, and i think the fuel economy is getting worse cause i didnt notice it this much when i first got it.

Maybe if there is someone that has this motor tell me how your fuel usage is??

mowerbrad
06-01-2011, 08:11 PM
My 27hp kawi on my JD uses roughly 1.75 gallons per hour, maybe just a little less. Mine obviously is on a different brand, but it should be similar.

soloscaperman
06-01-2011, 08:25 PM
I have a 27HP Kohler though and have the same problem. I'm just hoping it's because of all the rain and mowing high thick grass is the cause of the crappy fuel consumption. I have 400 hours on mine.

gravelyman50
06-01-2011, 08:36 PM
wow, 1.75 gallons per hour, that almost sounds worse than me.

Keep it coming guys, this is good stuff. I will Keep track tomarrow when im out and will let you guys know what i am getting on mine.

I was doing some math in my head today when i was mowing.. With the 27 hp over the 23 hp. i am using 5-6 more gallons a week. at $4.00per gal. thats about $20.00 a week, at 26 weeks a season that is $520.00 a year extra in fuel. At five years, (the average I keep a my mowers) that is $2600.00 in fuel extra that it is going to cost me! whoa.

My 23hp kawi on my 60" deck is borderline enough power, but its getting the job done fine right now. and it sips the fuel.

DEPENDABLE LANDSCAPING
06-01-2011, 09:45 PM
We are in the same boat. The v ride
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topsites
06-01-2011, 10:37 PM
I don't understand, I can go all day on 4.5 gallons.

So let me get this straight...
Ok, you're riding the HAWG!!!
Omg omg !!!

The Sooper Doooper Cadillac pooper of all Lawn mowers, you ain't sweating, sweat is for people who want to work and LOL,
you are riding in style and comfort while all the rest of them puny lawn boys have to work for a living LOL and you know you
shouldn't laugh but it slips out LOL and LOL some more.
'k

And you're wondering why it costs money to do that?
Yeah, uh hmmm...

Have you tried, you know, a lawn mower where you might have to work a little?
Just a suggestion of course, and only if you're feeling up to it.

soloscaperman
06-01-2011, 10:59 PM
Topsites your like me you think too much sometimes lol. Your one that says the glass and half full and half empty lol. I can't stop laughing.

SouthSide Cutter
06-01-2011, 11:00 PM
If its not a DFI or a diesel and it has a carb they all suck gas don't care what anybody says. Know people who have them, own one myself and run a lot of them on all different brands and the carb jobs are outdated and cost you to run them. Why they still make them beats me. Its has to be the cost I guess.

LawnGuy73
06-01-2011, 11:05 PM
Same over here, 27hp on a 52" Wright Stander ZK. It sucks the gas like mad!!!

Frontier-Lawn
06-01-2011, 11:07 PM
higher the % of E, faster the tanks needs to be filled

weeze
06-01-2011, 11:09 PM
glad i got the 26hp engine lol....my tank is 11.5 gallons and i'm getting anywhere from 10-12 hours per tank.

ALC-GregH
06-01-2011, 11:14 PM
25hp Kohler getting 1.25 gallons per hour. It get better but the air filter needs changed.

knox gsl
06-01-2011, 11:16 PM
29hp kawi and get 1.75 gallons per hour. If did get a little better when I started putting REAL gas and not an ethonal blend.

highlander316
06-01-2011, 11:46 PM
what size are your gas tanks?

SouthSide Cutter
06-02-2011, 10:26 PM
Put your mower in a big yard or some place that will take 1 hour to cut wide open. And have some grass to cut off. Say the grass is fescue and thick. Drain your tanks or tank and put your 1.25 or 1.6 or 1.75 in the tank. Bet the mower don't make it to the hour.

gravelyman50
06-11-2011, 09:03 AM
13.2 gallon tank, 9.2 hrs on the meter for two days, I got 1.43 Gallons Per Hour. Hmm. Anyone else?

MOturkey
06-11-2011, 09:59 AM
Need to check mine again, but my 31 (Gravely Pro-Master 260) used 1.4 gph when I checked it the first time. That is in the ball park of what my previous 25 and 27hp engines used. Pretty easy to get an accurate measurement with the newer tanks. Just fill them to the bottom of the filler tube each time. The older ones you kind of had to guess at the level to get a consistent fill.

cut level
06-11-2011, 10:01 AM
Why not just fill it up, mow,fill back up and see how much you put back in your tank no need to drain and measure a gallon and a half and run it dry.
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