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Flywheel - 691987:Briggs and StrattonFlywheel - 691987:Briggs and Stratton

Flywheel 691987

Part Number: 691987
Briggs and StrattonToroLawn Boy
Availability: In Stock
Price: $92.08
Ships within 1 business day

*This part replaces obsolete part #: 692315, 492175 and 492177.

Product Information
Description:
This is an authentic Briggs & Stratton replacement part sourced from the original manufacturer for use with small engines. The flywheel is engaged by the starter motor when starting the engine. The flywheel contains magnets on the side that cause the ignition module to send an electric charge to the spark plug. The fan blades on the flywheel are used to cool the engine during use. This flywheel is a complete part assembly including the ring gear. This flywheel is available as an individual replacement part.
Compatibility

This part is compatible with the following machines:

Briggs and Stratton
Toro
16400 (1000001-1999999)(1991) Lawn Mower
16400 (2000001-2999999)(1992) Lawn Mower
16400 (3900001-3999999)(1993) Lawn Mower
16400 (4900001-4999999)(1994) Lawn Mower
16400 (5900001-5999999)(1995) Lawn Mower
16400 (6900001-6999999)(1996) Lawn Mower
16401 (1000001-1999999)(1991) Lawn Mower
16401 (2000001-2999999)(1992) Lawn Mower
16401 (39000001-39999999)(1993) Lawn Mower
16401 (4900001-4999999)(1994) Lawn Mower
16401 (59000001-59999999)(1995) Lawn Mower
16401 (6900001-6999999)(1996) Lawn Mower
16401 (7900001-7999999)(1997) Lawn Mower
16401 (890000001-899999999)(1998) Lawn Mower
16402 (1000001-1999999)(1991) Lawn Mower
16403 (1000001-1999999)(1991) Lawn Mower
16403 (2000001-2999999)(1992) Lawn Mower
16404 (1000001-1999999)(1991) Lawn Mower
16404 (2000001-2999999)(1992) Lawn Mower
20010 (210000001-210999999)(2001) Lawn Mower
20010 (220000001-220999999)(2002) Lawn Mower
20020 (9900001-9999999)(1999) Lawn Mower
20020 (210000001-210999999)(2001) Lawn Mower
20021 (9900001-9999999)(1999) Lawn Mower
20021 (200000001-200999999)(2000) Lawn Mower
20021 (210000001-210999999)(2001) Lawn Mower
20022 (210000001-210999999)(2001) Lawn Mower
20023 (210000001-210999999)(2001) Lawn Mower
20023C (210000001-210999999)(2001) Lawn Mower
20025 (210000001-210999999)(2001) Lawn Mower
20028 (210000001-210999999)(2001) Lawn Mower
20030 (210000001-210999999)(2001) Lawn Mower
20033 (220000001-220999999)(2002) Lawn Mower
20033 (230000001-230999999)(2003) Lawn Mower
20033 (240000001-240999999)(2004) Lawn Mower
20035 (210000001-210999999)(2001) Lawn Mower
20036 (220000001-220999999)(2002) Lawn Mower
20036 (230000001-230999999)(2003) Lawn Mower
20036 (240000001-240999999)(2004) Lawn Mower
20037 (220000001-220999999)(2002) Lawn Mower
20037 (230000001-230999999)(2003) Lawn Mower
20037 (240000001-240999999)(2004) Lawn Mower
20041 (250000001-250999999)(2005) Lawn Mower
20042 (210000001-210999999)(2001) Lawn Mower
20043 (210000001-210999999)(2001) Lawn Mower
20045 (210000001-210999999)(2001) Lawn Mower
20045 (200000001-200999999)(2000) Lawn Mower
20045 (9900001-9999999)(1999) Lawn Mower
20048 (210000001-210999999)(2001) Lawn Mower
20049 (250000001-250999999)(2005) Lawn Mower
20053 (260000001-260999999)(2006) Lawn Mower
20053 (250000001-250999999)(2005) Lawn Mower
20054 (250000001-250999999)(2005) Lawn Mower
20054 (260000001-260999999)(2006) Lawn Mower
20055 (250000001-250999999)(2005) Lawn Mower
20055 (260000001-260999999)(2006) Lawn Mower
20101 (1000001-1999999)(1991) Lawn Mower
20183B (4900001-4999999)(1994) Lawn Mower
20212 (1000001-1999999)(1991) Lawn Mower
20213 (1000001-1999999)(1991) Lawn Mower
20213 (2000001-2999999)(1992) Lawn Mower
20214 (1000001-1999999)(1991) Lawn Mower
20214 (2000001-2999999)(1992) Lawn Mower
20215 (1000001-1999999)(1991) Lawn Mower
20215 (2000001-2999999)(1992) Lawn Mower
20216 (1000001-1999999)(1991) Lawn Mower
20217 (1000001-1999999)(1991) Lawn Mower
20217 (2000001-2999999)(1992) Lawn Mower
20218 (1000001-1999999)(1991) Lawn Mower
20218 (2000001-2999999)(1992) Lawn Mower
20322 (2000001-2999999)(1992) Lawn Mower
20327B (2000001-2999999)(1992) Lawn Mower
20328B (2000001-2999999)(1992) Lawn Mower
20433 (39000001-39999999)(1993) Lawn Mower
20434 (3900001-3999999)(1993) Lawn Mower
20434 (4900001-4999999)(1994) Lawn Mower
20435 (39000001-39999999)(1993) Lawn Mower
20435 (49000001-49999999)(1994) Lawn Mower
20435WF (39000001-39999999)(1993) Lawn Mower
20436 (39000001-39999999)(1993) Lawn Mower
20436 (49000001-49999999)(1994) Lawn Mower
20436WF (39000001-39999999)(1993) Lawn Mower
20437 (39000001-39999999)(1993) Lawn Mower
20437 (49000001-49999999)(1994) Lawn Mower
20441 (5900001-5999999)(1995) Lawn Mower
20441 (6900001-6999999)(1996) Lawn Mower
20442 (5900001-5999999)(1995) Lawn Mower
20442 (6900001-6999999)(1996) Lawn Mower
20443 (5900001-5999999)(1995) Lawn Mower
20443 (6900001-6999999)(1996) Lawn Mower
20444 (5900001-5999999)(1995) Lawn Mower
20444 (6900001-6999999)(1996) Lawn Mower
20445 (7900001-7999999)(1997) Lawn Mower
20448 (7900001-7999999)(1997) Lawn Mower
20449 (7900001-7999999)(1997) Lawn Mower
20450 (8900001-8999999)(1998) Lawn Mower
20452 (8900001-8999999)(1998) Lawn Mower
20453 (6900001-6999999)(1996) Lawn Mower
20454 (6900001-6999999)(1996) Lawn Mower
20457 (7900001-7999999)(1997) Lawn Mower
20458 (7900001-7999999)(1997) Lawn Mower
20461 (5900001-5999999)(1995) Lawn Mower
20461 (6900001-6999999)(1996) Lawn Mower
20462 (5900001-5999999)(1995) Lawn Mower
20462 (6900001-6999999)(1996) Lawn Mower
20463 (5900001-5999999)(1995) Lawn Mower
20463 (6900001-6999999)(1996) Lawn Mower
20469 (7900001-7999999)(1997) Lawn Mower
20470 (7900001-7999999)(1997) Lawn Mower
20472 (6900001-6999999)(1996) Lawn Mower
20473 (6900001-6999999)(1996) Lawn Mower
20478 (7900001-7999999)(1997) Lawn Mower
20479 (7900001-7999999)(1997) Lawn Mower
20480 (7900001-7999999)(1997) Lawn Mower
20489 (8900001-8999999)(1998) Lawn Mower
20490 (8900001-8999999)(1998) Lawn Mower
20493 (8900001-8999999)(1998) Lawn Mower
20494 (8900001-8999999)(1998) Lawn Mower
20495 (8900001-8999999)(1998) Lawn Mower
20561 (0000001-0999999)(1990) Lawn Mower
20563 (0000001-0999999)(1990) Lawn Mower
20563 (1000001-1999999)(1991) Lawn Mower
20716 (8900001-8999999)(1998) Lawn Mower
20716 (9900001-9999999)(1999) Lawn Mower
20637 (280K00001-280K99999)(2008) Lawn Mower
20637 (290000001-290999999)(2009) Lawn Mower
20652 (210000435-210999999)(2001) Lawn Mower
20652 (220000001-220999999)(2002) Lawn Mower
20652 (230000001-230999999)(2003) Lawn Mower
20666 (0000001-0999999)(1990) Lawn Mower
20667 (0000001-0999999)(1990) Lawn Mower
20668 (0000001-0999999)(1990) Lawn Mower
20668 (1000001-1999999)(1991) Lawn Mower
20712 (7900001-7999999)(1997) Lawn Mower
20713 (8900001-8999999)(1998) Lawn Mower
20713 (9900001-9999999)(1999) Lawn Mower
20714 (7900001-7999999)(1997) Lawn Mower
20792 (270000001-270999999)(2007) Lawn Mower
20792 (280000001-280999999)(2008) Lawn Mower
20792 (250000001-250999999)(2005) Lawn Mower
20792 (260000001-260999999)(2006) Lawn Mower
20801B (4900001-4999999)(1994) Lawn Mower
20801BC (4900001-4999999)(1994) Lawn Mower
20802BC (5900001-5999999)(1995) Lawn Mower
20803 (7900001-7999999)(1997) Lawn Mower
20803 (8900001-8999999)(1998) Lawn Mower
20803 (9900001-9999999)(1999) Lawn Mower
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Engine
  • • Generator
  • • Lawn Mower

Questions & Answers for Flywheel


No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
2 of 3 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Flywheel - 691987
Repair Difficulty:
Hard
Time Spent Repairing:
1-2 hours
Tools Used:
Pliers, Power Drill, Socket set, Adjustable Wrench
Flywheel cracked and sheared flywheel key
Initial problem was a Briggs and Stratton 5HP lawn mower motor not turning over to start:
1. Initial idea was to take apart and clean carburetor which did not change status.
2. Removed engine covers and casing.
3. Removed Flywheel cup by gripping with a wrench just above blade under lawnmower and loosening bolt on top with socket (had to to go purchase 15/16th inch socket as this was just above the biggest in my set).
4. After visual inspection determined a crack was in flywheel.
5. Ordered parts (don't forget to order flywheel key and flywheel puller as these do not come with it).
6. Used flywheel puller to remove flywheel.
7. Placed new flywheel on mower and inserted flywheel key.
8. Replaced flywheel cup and engine covers.

My repair was a bit more extensive as I also removed valve and piston covers to clean engine build up as the valve was sticking due to this build up and I also sharpened the blade.

Engine runs like new now.
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Tool Type:
Lawn Mower
Parts Used:
Flywheel - 691987
Key-flywheel - 796335
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Wrench Set, Nutdriver
split fly wheel,
Remove cowl and gas tank. Remove the split fly wheel and key replace old flywheel and key with new. Install gas tank and cowl. Easy peasy. lol
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Thanks for voting and helping fellow customers!
Reviews
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  • Worked as expected.
    The right part, and in a timely manner. It was easy to install, and the engine runs great, now. The only drawback was the USPS delivery- they kept me waiting an extra three days from their original delivery date.
    Guest - October 9, 2023 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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