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Old 04-25-2012, 07:03 PM
Realslowww Realslowww is offline
LawnSite Bronze Member
Join Date: Jul 2008
Location: Melrose FL
Posts: 1,523
besy replacement engine for a 72 Super Z 07 XR7

i have a 2007 72 inch Super Z and want more power than the 30 HP Kohler,I tried a 60 with the newer 31 kawie and they kill the Kohler bad in power but I have read Kawie has had reliabilty issues on some motors.

What is the best motor replacement option for a 72 Super Z and how much work is the conversion. Thanks for any replies.
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Old 04-25-2012, 07:09 PM
bigred13 bigred13 is offline
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Join Date: Jan 2012
Location: Hendersonville, N.C
Posts: 120
Small block Chevrolet...Just kidding, is the old motor still running good?
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Old 04-25-2012, 07:31 PM
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Landscape Poet Landscape Poet is offline
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Join Date: Apr 2009
Location: Oviedo/Orlando
Posts: 3,637
If you are running Hustler and 72 inch why not step up to the big time and get the new Super Z with the 37 HP Kawi? Not sure what more you could want in a mower than that. Not sure why you would be concerned about a Kawi - they have been nothing but reliable little beast for me.
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Old 04-25-2012, 07:40 PM
Realslowww Realslowww is offline
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Join Date: Jul 2008
Location: Melrose FL
Posts: 1,523
Thanks for the help,the Kohler runs fine but I mow alot of industrial areas that only get cut once a month and I also do steep inclines and the Kohler has torque issues. I may need to upgrade the hydro system as well and trade the high speed wheel motors for torque wheel motors. I love this mower and do not cut enough to justify a complete new mower and also I read on this site the 37 kawies has had failures and go through fuel liks a Saturn V ?
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