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Owner’s Manual ROTARY LAWN MOWER 650 Series Briggs & Stratton Engine Power-Propelled 21" Multi-Cut Model Number 6521RS Product Number 961 45 00-05 01 2007-05 CAUTION: Read and follow all Safety Rules and In struc tions before operating this equipment...
Safe ty Rules ...2-3 Warranty ...4 Prod uct Spec i fi ca tions ...5 Assembly / Pre-Operation ...6 Op er a tion... 7-11 Maintenance Sched ule ...12 IMPORTANT: This cutting machine is capable of amputating hands and feet and throwing ob- jects.
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Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffl er is available through your nearest Husqvarna or other authorized service center (See the REPAIR PARTS section of this manual).
It is the Owner’s and Dealer’s responsibility to make certain that the Warranty Registration Card is properly fi lled out and mailed to Husqvarna Forest & Garden Company. This card should be mailed within ten (10) days from the date of purchase in order to confi rm the warranty and to facilitate post-sale service.
Spark Plug (Gap: .030") Blade Bolt Torque: • The model and serial numbers will be found on a decal on the rear of the lawn mower housing. Record both serial number and date of purchase in space provided above. These accessories were available when this lawn mower was produced. They are not shipped with your mower.
IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine. Your new lawn mower has been as sem bled at the factory with the ex cep tion of those parts left unassembled for shipping purposes. All parts such as nuts, washers, bolts, etc., necessary to com plete the as sem bly have been placed in the parts bag.
YOUR LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. These symbols may appear on your lawn mower or in literature supplied with the product. Learn and understand their meaning. Drive...
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LEVER FORWARD TO RAISE MOWER Drive control TO ATTACH GRASS CATCH ER lever 1. Lift the rear door of the lawn mower and place the grass catcher frame side hooks onto the door pivot pins. 2. The grass catcher is secured to the...
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fl ec tor or approved grass catch er in place. Never at tempt to op er ate the lawn mower with the rear door re moved or propped open. Pivot pins...
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SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER FOR MULCHING - 1. Rear mulcher plug installed. 2. Mulcher door closed. FOR REAR BAGGING - 1. Rear mulcher plug removed. 2. Grass catcher installed. 3. Mulcher door closed. FOR SIDE DISCHARGING - 1.
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At this time the grass has dried, yet the newly cut area will not be exposed to direct sunlight. • For best results, adjust the lawn mower cutting height so that the lawn mower cuts off only the top one-third of the grass blades.
**** to clean under deck GENERAL REC OM MEN DA TIONS The warranty on this lawn mower does not cover items that have been sub ject ed to operator abuse or negligence. To receive full value from the warranty, operator must maintain unit as in struct ed in this manual.
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1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug. 2. Turn lawn mower on its side. Make sure air fi lter and carburetor are up. 3. Use a wood block between blade and mower hous ing to prevent blade from turning when re mov ing blade bolt.
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2. Remove engine oil cap; lay aside on a clean surface. 3. Tip lawn mower on its side as shown and drain oil into a suitable container. Rock lawn mower back and forth to re- move any oil trapped inside of engine.
1. Remove drive cover. 2. Remove spring and belt keeper. 3. Remove belt from gearcase pulley. 4. Turn lawn mower on its side with air fi lter and car bu re tor down. 5. Remove blade, engine pulley and debris shield.
Do not attempt to increase en gine speed or it may result in personal injury. If you believe that engine is running too fast or too slow, take your mower to a Husqvarna or other qualifi ed service cen ter for repair and ad just ment.
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NOTE: Fuel stabilizer is an acceptable alternative in min i miz ing the formation of fuel gum deposits during stor age. Add TROUBLESHOOTING - See appropriate section in manual unless directed to a Husqvarna Parts & Repair Center. PROBLEM CAUSE Does not start 1.
TROUBLESHOOTING - See appropriate section in manual unless directed to a Husqvarna Parts & Repair Center. PROBLEM CAUSE Does not start 9. Control bar defective. (continued) 10. Fuel valve lever (if so 11. Weak battery (if equipped). 12. Disconnected battery Loss of power 1.
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ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000501) (PRODUCT NUMBER 961 45 00-05)
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Screw, Hi-Lo Thread #12 x 5/8 NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty. PART...
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ROTARY LAWN MOWER - - MODEL NUMBER 6521RS (96145000501) (PRODUCT NUMBER 961 45 00-05)
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Pawl NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm. IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty. PART DESCRIPTION 532 41 31-43 Wheel &...
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532 41 44-89 Rev. 1 05.01.07 BY Printed in U.S.A.