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2021
Rebel

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Do you have a question about the REBEL Series and is the answer not in the manual?

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Ernie Cory
May 21, 2025

Need a detailed diagram of all grease zerk fitting locations for Badboy MZ Magnum 54”.

1 comments:
Mr. Anderson
May 24, 2025

The grease zerk fitting locations for the Bad Boy REBEL Series (applicable to models like the MZ Magnum 54” if it shares the REBEL platform) are:

1. Two grease fittings on each of the two turnbuckles (4 total) – grease at every oil change.
2. One grease fitting on the pump belt tensioner pivot – grease at every engine oil change.
3. Grease fittings on each tube of the control arm actuators – grease at every engine oil change.

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Summary of Contents for Bad Boy REBEL Series

  • Page 1 2021 Rebel...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Basic Information ..................... Section 1 Page 4 Bad Boy Safety Guidelines ..................Section 2 Page 5 Operation ......................... Section 3 Page 9 Maintenance ......................Section 4 Page 10 Storage and Transportation ..................Section 5 Page 10 Troubleshooting and FAQ ..................Section 6 Page 12 Controls ........................
  • Page 3 824cc Yamaha Spark Plug 015-8000-00 015-8001-00 018-8000-00 015-0053-06 10W-30 Motor Oil - Bad Boy Synthetic Blend Motor Oil Recommended. (Approximately 2 Quarts) Motor Oil 085-6015-00 20W-50 Motor Oil- Bad Boy Hydrostatic Oil Recommended (Approximately 2.5 Quarts/Transaxle) Hydraulic Oil 085-6000-00 PAGE 3...
  • Page 4: Basic Information

    If an evaporative emission control system component does fail in a manner that would cause the equipment to no longer meet the requirements of 40 CFR 1060 within the first two years Bad Boy Inc. will replace the defective component. Your evaporative emission control system may include parts such as fuel tanks, fuel lines, carbon canisters, fuel caps, valves, vapor hoses, clamps, or connectors.
  • Page 5 SECTION 2: MOWER SAFETY GUIDELINES Never allow untrained people to operate this mower. It is the owner’s responsibility to get training and see to it that anyone who has permission to use your mower receives the proper training. Do not mow around people. The factory discharge chute is designed to deflect debris downward, but it could be possible for debris to be thrown in a way that can cause damage to people or property.
  • Page 6 SETTING DECK HEIGHT 2.23 If your mower is equipped with an actuator motor, raise the deck using the raise /lower switch. Refer to section 7 (Controls). When the deck is raised, set the desired height with the deck height control dial, then lower deck with the raise / lower switch.
  • Page 7 TOWING Maximum towing weight: 500lbs Maximum towing weight @ 5° slope (any orientation): 440lbs Towing is not recommended and cautioned against at any grade that is greater than 5 ° Max tongue weight: 54” = 75 lbs.; 61” = 80 lbs.; 72” = 90 lbs. 2.43 Tow only with a mower that has a hitch specifically designed for towing.
  • Page 8 SAFETY INTERLOCK SYSTEM Your Bad Boy mower is equipped with a safety interlock system. This system is designed to prevent property damage and severe injury or death to the operator and bystanders. These interlocks are essential and must be tested before each use.
  • Page 9: Operation

    The mower could lose traction on a decline or tip backwards on an incline. 3.14 Once you become comfortable with your Bad Boy Mower you will notice your overall mowing time will decrease. Avoid operating your mower on side hills of over 5 degrees, inclines of over 10 degrees, and declines of over 15 degrees.
  • Page 10: Maintenance

    SECTION 4: MOWER MAINTENANCE Interval Every 50 Every 100 Every First 8 Daily Hours or Hours or Section Hours Annually* Annually* Hours Maintenance Check and add engine oil Section3  Section 2 (Pump) Check all belts for proper alignment  6 (Deck) Check tire pressure and wheel lug nuts Section 5...
  • Page 11 SECTION 6: Q: How do I prevent an uneven cutting pattern and increase the quality of cut? A: Check tire pressure, check blade sharpness (replace blades or sharpen at least once per year or when needed), make sure blades are tightened properly, check spring and belt tension, check the underside of the deck to ensure the mower deck is free of grass build-up and debris, make sure your mower is at full throttle, and vary your mowing pattern each time you cut your grass.
  • Page 12: Controls

    SECTION 7: CONTROLS Ignition Switch: Bad Boy mowers have a three-position ignition switch: off, run, and start. With key inserted, rotate it clockwise to START position and release key when engine starts, and switch will automatically return to the RUN position.
  • Page 13: Moving Inoperable Mower

    You should never try to push or pull the mower by hand. This could cause serious bodily injury. Do not tow the mower. Use a winch to load on a trailer for transporting. REBEL SERIES: 1180-1310 lbs. Your Mower Weighs: ***Weights fluctuate with the addition of accessories.
  • Page 14: Mower Blade Maintenance

    SECTION 9: MOWER BLADE MAINTENANCE (REMEMBER: NEVER CHECK BLADES WHILE ENGINE IS ON! NEVER CHECK BLADES WHILE BLADES ARE ENGAGED!) Check mower blades after each use. This is essential for maintaining well-groomed turf. Keep the blades sharp. If a dull blade is used for cutting, the grass will tear rather than cut. This could damage the grass leaving a brown frayed top on the grass within a few hours.
  • Page 15: How To Choose The Right Blade

    Should you want more information on special application or aftermarket blades, please contact the companies the companies that manufacture the blade.. NOTE: Customers that use blades that are not Bad Boy blades are placing themselves at risk. The use of unapproved blades may void any or all warranty for both mower and engine.
  • Page 16: Mowing Tips

    MOWING TIPS: • Mow header strips at the ends of the lawn and around flower beds first. Make them wide enough that you can turn the mower around in the already mown section. Then mow back and forth between these header strips overlapping each lap by about 1/8 the width of the mower’s deck.
  • Page 17 PERFORMED ON A LEVEL SURFACE. Fig. 8 Outlaw Rebel transaxles hold 4 quarts of 20W-50 motor oil each. Bad Boy Hydrostatic Oil is recommended. Transaxle service is recommended after the first 50 hours of use; then at intervals of 250 hours. Hydro-Gear® brand oil filters are recommended, use of other brands could void the warranty.
  • Page 18 PURGING PROCEDURE Fig. 11 Due to the effects air has on the efficiency in hydrostatic drive applications, it is critical that the air is purged from the system. These purge procedures should be implemented any time a hydrostatic system has been opened to facilitate maintenance or any additional oil has been added to the system.
  • Page 19 SECTION 12: DRIVE BELT Shown in Fig. 14 is the tensioner for the pump belt. Adjusting this will either increase or decrease tension on the belt. Use a 3/4” wrench to loosen the jam nuts and either tighten for more belt tension or loosen for less belt tension.
  • Page 20 Reference section 4 for the oil change interval and the engine’s service manual for oil quantity. Bad Boy 10W-30 synthetic blend engine oil is recommended for maximum protection. CHANGING YOUR ENGINE OIL AND OIL FILTER Remove oil dipstick and remove oil drain cap.
  • Page 21 FUEL FILTER The fuel filter is located in the fuel line. Reference section 4 for the recommended replacement interval for the fuel Fig. 17 filter. Prior to the removal of the old filter, note the direction of fuel flow as indicated on the filter. Always use new fuel line clips.
  • Page 22 AIR CLEANER The air cleaner is the engine’s only defense against Fig. 18 damaging foreign particles. It is very important that the air cleaner element is inspected prior to each use. Remove the element and tap its sides in order to remove debris. Do not blow the filter out using compressed air.
  • Page 23 SPARK PLUG Fig. 19 CHANGING THE SPARK PLUGS AND CHECKING THE SPARK PLUG GAP Reference engine owner’s manual for spark plug locations. Rear Cover Bolts In order to access the spark plugs it is recommended to remove the rear engine cover. This can be accomplished by removing the four Fig.
  • Page 24 If a fuse is repeatedly blowing, contact your Fig. 24 Bad Boy dealer. To check for proper charging (13.6 - 14.2 volts DC), take a voltage reading across battery terminals with engine at full throttle.
  • Page 25 ELECTRICAL SYSTEM (CONTINUED) WIRING DIAGRAM (For a larger version of the below diagram please visit badboymowers.com and click the parts manuals section) Fig. 26 PAGE 25...
  • Page 26 SECTION 15: CASTER AND WHEEL To access the recessed front fork nuts, remove the dust cap by prying gently using a flat-head screwdriver. Once cap is removed, a 1 7/16” socket will be needed for top nut. You will need to secure the bolt with a 1 1/2" wrench.
  • Page 27 SECTION 17: CUTTING DECK Fig. 33 Remove DECK BELT REMOVAL Pulley Cover Remove ignition key. Raise the deck to its highest position. Belt Route Remove the pulley covers. Decal Remove belt retainer bolt. While lifting up on the belt (as shown in Fig.
  • Page 28 Deck Belt Tension Adjustment Use a belt tension gauge to ensure the proper tension. Your dealer or service center will have a belt tension gauge or you can purchase one through the Bad Boy Mowers parts department at 866-622-3269 (Part Number 041-9999-00).
  • Page 29 The deck pitch is achieved by measuring from the cutting edge of the blade to the ground. Bad Boy recommends having a ¼” pitch down in the front measured from the cutting edge Fig. 40 of the blade.
  • Page 30 Hand Thread Wrench with mowing deck to keep the blade from turning. Use a 15/16" socket and Bad Boy recommends an and Extension impact wrench capable of and output torque of at least 220 ft-lbs. A box wrench and extension can be used, though component damage potential may be increased.
  • Page 31: Maintenance Log

    MAINTENANCE LOG 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: Performed: Date: Hours: Performed: Date: Hours: Performed: Date: Hours: Performed: Date: Hours: Performed: Date: Hours:...
  • Page 32: Limited Warranty

    The leading edge of the deck shell will be warranted for the entire lifetime of the machine to the original purchaser against defects in materials and workmanship. Labor required to repair or replace the leading edge of the deck shell will be covered by Bad Boy Inc. for two years and at the unit owner’s expense during the balance of the lifetime of the machine.
  • Page 33 BAD BOY, INC. 102 INDUSTRIAL DRIVE BATESVILLE, AR 72501 WWW.BADBOYMOWERS.COM Technical Support: ............techsupport@badboymowers.com Warranty: ................warranty@badboymowers.com Parts: ................... partsdept@badboymowers.com WARRANTY 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 records.
  • Page 34 2021 Commercial PAGE 34...

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