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Quick Reference
Accessories
Engine Parts
42" Deck Assembly
48" Deck Assembly
54" Deck Assembly
Decals
Deck Height Control
Deck Height Control - Detail
Drive System Detail
Engine - Kawasaki FR651V
Engine - Kohler KS590
Engine - Kohler KT725 & KT740
Front Fork Assembly
Fuel Line & Control Panel
Kawasaki FR651V - Detail
Kohler KT725 & KT740 - Detail
Seat Assembly
Seat Detail - Kawasaki Units
Seat Pan, Covers & Wiring
Spindle, Idler & Discharge Chute
Steering Arm - Detail
Steering Arm Assembly
Tanks & Electronics
Transaxle & Rear Wheels

The 2021 MZ & MZ Magnum Kohler KT725 & KT740 engines provide superior power and performance, perfect for tackling tough lawn mowing tasks. If you’re in need of replacement parts for these engines, BadBoyMowerParts.com offers an extensive selection of Bad Boy Mower Parts tailored to fit the 2021 MZ & MZ Magnum. Whether you need a new air filter, carburetor, or spark plug, our inventory has the high-quality components you need. Our Bad Boy Mower Part diagrams make it easy to find and purchase the parts you need for efficient repairs. We stock only the best Bad Boy Lawn Mower Parts to ensure your engine operates at its best. Shopping for Bad Boy Parts Online is hassle-free, and with Free Shipping On Orders Over $100, you can get your parts delivered to your door at no extra cost.

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| Position Number | SKU | Product Title | Price | ||
|---|---|---|---|---|---|
| 8 | 015-8000-00 | 015-8000-00 - Spark Plug (RC12YC or Equivalent) |
$13.90
|
||
| 17 | 051-2014-00 | 051-2014-00 - 37" Fuel Line Assembly (See Models Used On For Details) |
$40.53
|
||
| 18 | 051-5401-00 | 051-5401-00 - Kohler/Briggs Oil Drain Hose |
$31.17
|
||
| 19 | 054-8017-00 | 054-8017-00 - 62" Choke Cable (See Models Used On - Engine Diagrams To Verify This Fits your Mower) |
$25.80
|
||
| 21 | 063-5002-00 | 063-5002-00 - 25/26 HP Koh Precleaner ZT/MZ |
$9.89
|
||
| 22 | 063-5003-00 | 063-5003-00 - 25/26 HP Koh Air Filter ZT/MZ |
$35.72
|
||
| 23 | 063-5004-00 | 063-5004-00 - Oil Filter for Kohler KT725, KT740, KT745, ZT740, CV749 & ECV749 Engines |
$31.51
|
||
| 24 | 063-6000-00 | 063-6000-00 - Universal Inline Fuel Filter |
$14.19
|
||
| 26 | 064-5301-00 | 064-5301-00 - 14" Red Battery Cable |
$17.16
|
||
| 27 | 067-0015-02 | 067-0015-02 - MZ Kohler EPA Cannister Assy |
$56.72
|
||
| 31 | 079-3460-01 | 079-3460-01 - 2017 - 2021 MZ Magnum Control Panel Assy. |
$105.93
|
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| 32 | 079-3460-02 | 079-3460-02 - 2017-2022 MZ Control Panel Assy. |
$105.93
|