Bad Boy 054-8017-00. Choke - All ZT, 30hp Kohler 62".  Rotary 237 will also work, just have to make z-bend.

SR-4

Fits the following Bad Boy Models:

2007
ZT

2008
ZT 

2009
ZT 

2010
AOS 
CZT 
ZT 

2011
Outlaw & Outlaw Extreme
ZT 

2012
CZT
Outlaw & Outlaw Extreme 
Outlaw XP 
Stand-On 
ZT 

2013
CZT 
Outlaw & Outlaw Extreme
Outlaw XP 
Stand-On
ZT Elite 

2014
CZT Elite
MZ
MZ Magnum
Outlaw & Outlaw Extreme
Outlaw XP
Stand-On 
ZT Elite 

2015
CZT Elite 
MZ
MZ Magnum
Outlaw & Outlaw Extreme
Outlaw XP
Stand-On
ZT Elite

2016
Compact Outlaw
Maverick
MZ
Outlaw & Outlaw Extreme
Outlaw XP
Stand-On
ZT Elite

2017
MZ & MZ Magnum
ZT Elite
Maverick
Walkbehind 
Stand-On 
Outlaw & Outlaw Extreme
Outlaw XP
Compact Outlaw