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Bad Boy MZ BMZ4219KO, Owner’S Operator Service Manual, Page: 3 / 36

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Bad Boy MZ BMZ4219KO Owner’S Operator Service Manual Download Page 3

 

PAGE  3

 

THIS MANUAL APPLIES TO THE FOLLOWING EQUIPMENT: 
 

BAD BOY MZ AND MZ MAGNUM SERIES 

 

 

MZ 42” KS590 Kohler [BMZ4219KO] 

 

 

MZ 42” KT725 Kohler [BMZ42KT725] 

 

 

MZ Magnum 48” KT725 Kohler [BMZ48KT725] 

 

 

MZ Magnum 54” KT740 Kohler [BMZ54KT740] 

 

 

MZ Magnum 48” FR651V Kawasaki [BMZ48FR651] 

 

 

MZ Magnum 54” FR651V Kawasaki [BMZ54FR651] 

 
 
 
 
 
 

 
COMMONLY USED ITEMS AND PART NUMBERS 

42” MZ Blade 

Hi-Lift Fusion 

038-4221-00 

Gator Blade 

038-4222-00 

Wave Blade 

N/A 

48” MZ Blade 

Hi-Lift Fusion 

038-4826-00 

Gator Blade 

038-4827-00 

Wave Blade 

038-4825-00 

54” MZ Blade 

Hi-Lift Fusion 

038-0005-00 

Gator Blade 

038-0003-00 

Wave Blade 

038-5220-00 

42” MZ Deck Belt 

041-4022-00 

48” MZ Deck Belt 

041-1470-00 

54” MZ Deck Belt 

041-1560-00 

MZ Pump Belt 

041-6400-00 

Oil Filter 

Kohler 5400 Series 

015-0077-04 

Kohler Engine 

063-5004-00 

Kawasaki Engine 

068-2096-00 

Air Filter 

Kohler 5400 Series 

015-0077-05     015-0077-06 

Pre-Cleaner      Element 

Kohler Engine 

063-5002-00     063-5003-00 

Pre-Cleaner       Element 

Kawasaki Engine 

063-2097-00 

Fuel Filter 

Kohler Series 

015-0077-07 

Kohler Engine 

063-5001-00 

Kawasaki Engine 

063-6000-00 

Spark Plug 

Kohler Series 

015-0077-03 

Kohler Engine 

015-8000-00 

Kawasaki Engine 

015-8001-00 

Motor Oil 

10W-30 Motor Oil - 

Bad Boy Synthetic Blend Motor Oil Recommended. -See engine manual for oil capacities

.

 

085-6015-00 

Summary of Contents for MZ BMZ4219KO

Page 1: ...ZERO TURN MOWER OWNER S OPERATOR SERVICE MANUAL For additional information please see us at www badboymowers com 2020 10 12 MZ MODELS...

Page 2: ...ansportation Section 5 Page 10 Troubleshooting and FAQ Section 6 Page 11 Controls Section 7 Page 12 Moving In operable Mower Section 8 Page 13 Mower Blade Maintenance Section 9 Page 13 Equipment Lubri...

Page 3: ...38 0005 00 Gator Blade 038 0003 00 Wave Blade 038 5220 00 42 MZ Deck Belt 041 4022 00 48 MZ Deck Belt 041 1470 00 54 MZ Deck Belt 041 1560 00 MZ Pump Belt 041 6400 00 Oil Filter Kohler 5400 Series 015...

Page 4: ...ordering parts 1 Part number 2 Serial number All warranty repair and service must be handled through your authorized Bad Boy dealer To locate the nearest dealer go to the website listed above and cli...

Page 5: ...against a wall or obstruction as material may ricochet back toward the operator Stop the blades when crossing gravel surfaces 2 10 Never operate the mower without the discharge chute grass catcher or...

Page 6: ...changes in speed or direction could cause the mower to roll over 2 32 Use extra care while operating the mower with grass catchers or other attachments they can affect the stability of the mower Do n...

Page 7: ...this is not possible then refuel such equipment with a portable container rather than from a gasoline dispenser nozzle 2 55 Never fill gasoline containers inside a vehicle or on a truck or trailer bed...

Page 8: ...tart the mower with the PTO switch in the OFF position The engine should not start Continue test 2 76 On a level surface disengage the parking brake and place lever arms to their outward position Atte...

Page 9: ...ms will lock into place and must be in this position to start the mower 3 5 Put PTO switch in the OFF position 3 6 If your mower has been equipped with a ROPS Roll Over Protection Structure then you m...

Page 10: ...rst Check air and fuel filter more often in dusty conditions Dealer Get maintenance performed at a registered dealership SECTION 5 MOWER STORAGE TRANSPORTATION 5 1 Keep the mower from collecting debri...

Page 11: ...the blades won t engage A Make sure the safety switch is plugged in on the bottom of the seat Check the underside of the blade power switch to ensure the plug is secure at the switch Also check PTO fu...

Page 12: ...choke is pulled out it is in the on start position Do not operate the mower in the on start position 7 4 Control Levers These levers control the mower s speed direction and neutral lock These levers a...

Page 13: ...o require more power from the engine 9 2 NEVER attempt to straighten a bent blade by heating NEVER attempt to weld a cracked blade The blades can break and cause serious injury or death 9 3 NEVER work...

Page 14: ...l designed for a more specific purpose If you re experiencing less than desired cutting or discharging performance with a 3 1 blade you may want to check into using a 2 1 blade Conversely if you re us...

Page 15: ...ng season Keep several blades around so you ll always have a sharp one on hand Sharp blades cut the grass cleanly and help mulch clippings into small pieces which break down quickly Don t forget to ch...

Page 16: ...while the engine is not running Pull the rods out and lock them into place using the cotter pin to activate the bypass TRACKING ADJUSTMENT When adjusting the tracking on the mower the length of the p...

Page 17: ...de will increase the belt tension The tension should be adjusted so that there is between 60 to 65 lbs of tension on the belt and recheck belt tension after half an hour This can be checked with a bel...

Page 18: ...nstall oil drain cap and tighten 3 Place new filter in shallow pan with open end up Fill with new oil until oil reaches the bottom of the threads Allow two minutes for oil to be absorbed by filter mat...

Page 19: ...e vicinity of any maintenance activities CHANGING YOUR FUEL FILTER 1 Locate your fuel filter and note the direction of fuel flow 2 Clamp the fuel line on both sides of the fuel filter using fuel line...

Page 20: ...tiveness Reference section 4 for the recommended replacement interval of the air cleaner Adhering to these practices will help prevent loss of power and premature engine failure CHANGING THE AIR CLEAN...

Page 21: ...use an appropriate socket to remove the spark plug 3 Check the gap of the spark plug by using a feeler gauge and set gap to the recommend value in the engine s service manual 4 If the spark plug is w...

Page 22: ...tes a problem within the electrical system or an electrical component Never replace a fuse with one of a higher amperage rating or bypass a fuse in any way Doing so creates a significant fire hazard a...

Page 23: ...y voltage should be 12 volts dc minimum with engine off If you are having issues starting your mower ensure the signal wire is connected to your starter solenoid See Fig 20 and Fig 21 for typical layo...

Page 24: ...PAGE 24 ELECTRICAL SYSTEM CONTINUED WIRING DIAGRAM For a larger version of the below diagram please visit badboymowers com and click the parts manuals section Fig 22...

Page 25: ...l lugs to 65 75ft lbs Re torque at every oil change and before each use SECTION 16 GREASE LOCATIONS The pump belt tensioner is located under the engine and has a grease fitting at its pivot Grease at...

Page 26: ...ey 2 Raise the deck to its highest position If needed loosen the deck belt tensioner to its weakest installed position 3 Take off both pulley covers and route the belt by following the belt route deca...

Page 27: ...cutting height When tensioning a new belt recheck belt tension after 1 2 hour of cutting time Use a belt tension gauge to ensure the proper tension Your dealer or service center will have a belt tens...

Page 28: ...approximately 3 1 2 off the ground to achieve the proper 1 4 pitch down in the front it may be necessary to use some 1 4 spacers under the rear of the deck as shown in Fig 38 4 Using a pair of 9 16 w...

Page 29: ...though component damage potential may be increased The bolt has right handed threads Re torque the blade bolts to 90 110 ft lbs upon re installation The blade spindles contain a sealed bearing inside...

Page 30: ...e Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Performed Date Hours Per...

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Page 32: ...________________________________ ____________________________________________ ____________________________________________ ____________________________________________ ________________________________...

Page 33: ...________________________________ ____________________________________________ ____________________________________________ ____________________________________________ ________________________________...

Page 34: ...WARRANTY LIMITATION A THERE IS NO OTHER EXPRESS WARRANTY ANY WARRANTY THAT MAY BE IMPLIED FROM THIS PURCHASE INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE DUR...

Page 35: ...ANTY REGISTRATION Ensure selling dealership has registered mower within 30 days of purchase to validate warranty Please record your serial number date of purchase and dealership information for your r...

Page 36: ...www badboymowers com Bad Boy Inc 102 Industrial Drive Batesville Arkansas 72501...

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