2.4 gal per hour on Kaw DFI 61" deck using G6

Discussion in 'Lawn Mowing Equipment' started by doublesharp, Aug 20, 2013.

  1. doublesharp

    doublesharp LawnSite Senior Member
    Messages: 365

    I'm kinda anal about numbers and accuracy. I'm sure my time was within 10 seconds and I'm sure that the tank was full when I started and full when I filled up again.

    I used a 1/2 gal plastic pitcher marked in 8 oz increments and I was careful to measure accurately and poured the gas through a funnel slowly, without spilling any and shook the tank until it was absolutely full. It may not be accurate to the fraction of an oz but it I'm confident the numbers are close and that the mower uses well over 1/2 gal in 15 minutes in easy grass at wide open throttle going as fast as my butt and the turf can stand.
  2. puppypaws

    puppypaws LawnSite Fanatic
    Messages: 9,164

    I trust you ability, just curious about the problem.

    I know a gentleman at Bobcat, and they did extensive testing themselves to check fuel consumption on the 37 dfi. He told me the gph usage stayed in the 1.4 to 1.5 gph range, therefore they decided not to offer the FX1000V carburetor model engine on their Predator Pro. This was because the FX1000V-DFI was costing them only a small amount more money for the fact of buying so many, therefore they offered the most engine with the best fuel economy for the money, at a price it would pay for the difference in a short period of time.
    Last edited: Aug 20, 2013
  3. Ridin' Green

    Ridin' Green LawnSite Fanatic
    Male, from Michigan
    Messages: 17,468

    I don't doubt your ability to check it, but I do believe something is not right if those are your numbers, which they appear to be after two separate tests.
  4. CurbAppealKS

    CurbAppealKS LawnSite Senior Member
    Messages: 448

    Yeah it definitely sounds like there is a problem in the fuel system. Like an O2 sensor malfunctioning, making the computer compensate with more fuel to even it out.
  5. JimsLocalLawn

    JimsLocalLawn LawnSite Senior Member
    Messages: 851

    The Oregon G6 blades are thicker and wider than most blades.... I noticed a increased fuel consumption on my walk behind when I put them on the first time.
  6. Ridin' Green

    Ridin' Green LawnSite Fanatic
    Male, from Michigan
    Messages: 17,468

    It's true that they are wider/thicker than many stock blades,and a lot of guys have reported a drop in power using them, but they actually spin up easier than the stock blades on my 950. It's easily seen watching the tach. It just depends on what kind of blade your machine comes with stock.
  7. puppypaws

    puppypaws LawnSite Fanatic
    Messages: 9,164

    No 02 sensor incorporated on the Kawasaki DFI open loop system.
  8. Sprinkler Buddy

    Sprinkler Buddy LawnSite Bronze Member
    from Florida
    Messages: 1,185

    I would be looking for different mowers. Holy Cow!
  9. HenryB

    HenryB LawnSite Bronze Member
    Messages: 1,844

    I had a few 37 Kawy's horrible engines period. Fuel consumption was shocking and they blew up with less than 500 hrs. Yes I've heard they addressed the issues yada yada yada. They are garbage. I replaced mine with a Vanguard and couldn't be happier. Fuel consumption is also less. I've owned every conceivable engine in my 25 yrs in business and the big block Kawy's are terrible the37's are really bad.
  10. doublesharp

    doublesharp LawnSite Senior Member
    Messages: 365

    I bought the mower brand new and watched it come out of the crate. All settings are just as they left the factory all the technician did was pour 5 gal gas in, let the elec fuel pump work for about 5 seconds and the mower fired right up. My dealer is a good one and I'm going to run this by the shop manager.

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