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Rocker Arm Adjuster

Part Number: 691986

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Questions & Answers

Repair Instructions

*This part replaces obsolete part #: 810104, 492160 and 810068.

Product Information

Manufacturer: Briggs and Stratton, Toro, Lawn Boy

Product Number: 691986

Classification: Part

Weight: 0.02 lbs.

Shipping: Ships Worldwide

Warning: California's Proposition 65

Frequently Purchased With

Stud--Rocker A..
$6.33

Compatibility

This part is compatible with the following machines:

Toro

70185 (250000001-250999999)(2005) Lawn Tractor
70185 (260000001-260999999)(2006) Lawn Tractor
70185 (270000001-270805705)(2007) Lawn Tractor
70185 (270805706-280899564)(2008) Lawn Tractor
71192 (5900001-5999999)(1995) Lawn Tractor
71192 (6900001-6999999)(1996) Lawn Tractor
71193 (6900001-6999999)(1996) Lawn Tractor
71217 (6900001-6999999)(1996) Lawn Tractor
71217 (7900001-7999999)(1997) Lawn Tractor
71218 (6900001-6999999)(1996) Lawn Tractor
71218 (7900001-7999999)(1997) Lawn Tractor
71218 (8900001-8999999)(1998) Lawn Tractor
71219 (7900001-7999999)(1997) Lawn Tractor
71219 (8900001-8999999)(1998) Lawn Tractor
71220 (9900001-9999999)(1999) Lawn Tractor
71221 (9900001-9999999)(1999) Lawn Tractor
71223 (200000001-200999999)(2000) Lawn Tractor
71223 (210000001-210999999)(2001) Lawn Tractor
71223 (220000001-220010000)(2002) Lawn Tractor
71223 (220010001-220999999)(2002) Lawn Tractor
71223 (230000001-230999999)(2003) Lawn Tractor
71209 (240000001-240999999)(2004) Lawn Tractor
71209 (250000001-250005000)(2005) Lawn Tractor
71209 (250005001-250999999)(2005) Lawn Tractor
71212 (200000001-200999999)(2000) Lawn Tractor
71215 (7900001-7999999)(1997) Lawn Tractor
71215 (8900001-8999999)(1998) Lawn Tractor
71216 (59000001-59999999)(1995) Lawn Tractor
71193 (7900001-7999999)(1997) Lawn Tractor
71196 (6900001-6999999)(1996) Lawn Tractor
71196 (7900001-7999999)(1997) Lawn Tractor
71196 (8900001-8999999)(1998) Lawn Tractor
71197 (9900001-9999999)(1999) Lawn Tractor
71197 (200000001-200999999)(2000) Lawn Tractor
71198 (9900001-9999999)(1999) Lawn Tractor
71199 (240000001-240999999)(2004) Lawn Tractor
71199 (250000001-250999999)(2005) Lawn Tractor
71223 (240000001-240999999)(2004) Lawn Tractor
71225 (200000001-200999999)(2000) Lawn Tractor
71226 (200000001-200999999)(2000) Lawn Tractor
71226 (210000001-210999999)(2001) Lawn Tractor
71226 (220010001-220999999)(2002) Lawn Tractor
71227 (210000001-210999999)(2001) Lawn Tractor
71227 (220000001-220010000)(2002) Lawn Tractor
71227 (220010001-220999999)(2002) Lawn Tractor
71227 (230000001-230999999)(2003) Lawn Tractor
71227 (240000001-240999999)(2004) Lawn Tractor
71228 (210000001-210999999)(2001) Lawn Tractor
71228 (220000001-220010000)(2002) Lawn Tractor
71228 (220010001-220999999)(2002) Lawn Tractor
71228 (230000001-230999999)(2003) Lawn Tractor
71228 (240000001-240999999)(2004) Lawn Tractor
71233 (210000001-210999999)(2001) Lawn Tractor
71233 (220000001-220999999)(2002) Lawn Tractor
71233 (230000001-230999999)(2003) Lawn Tractor
71240 (9900001-9999999)(1999) Lawn Tractor
71241 (200000001-200999999)(2000) Lawn Tractor
71242 (210000001-210999999)(2001) Lawn Tractor
71242 (220000001-220010000)(2002) Lawn Tractor
71242 (220010001-220999999)(2002) Lawn Tractor
71242 (230000001-230999999)(2003) Lawn Tractor
71242 (240000001-240999999)(2004) Lawn Tractor
71243 (240000001-240999999)(2004) Lawn Tractor
71245 (230000001-230999999)(2003) Lawn Tractor
71245 (240000001-240999999)(2004) Lawn Tractor
71246 (250000001-250999999)(2005) Lawn Tractor
71246 (260000001-260999999)(2006) Lawn Tractor
71246 (270000001-270999999)(2007) Lawn Tractor
71252 (280000001-280999999)(2008) Lawn Tractor
71252 (290000001-290999999)(2009) Lawn Tractor
71253 (280000001-280999999)(2008) Lawn Tractor
71253 (290000001-290999999)(2009) Lawn Tractor
71253 (310000001-310999999)(2010) Lawn Tractor
71280 (9900001-9999999)(1999) Lawn Tractor
71280 (200000001-200999999)(2000) Lawn Tractor

Expand the 150+ compatible machines

Products Compatibility

This item works with the following types of products:

• Lawn Mower
• Lawn Tractor

Questions & Answers

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I need a rocker arm adjuster nut for Briggs and Stratton engine for a lawnmower. The replacement part does not look like mine. One end of the part is 1/2 inch long and six-sided. Then the other end is round.

Phyllis Blondefield for model number 31C7070154E1 asked on 2019-05-20

Hello Phyllis, Thank you for contacting us. I have researched the model you have provided and have found the part you are looking for is Part Number: 691986. This part replaces obsolete part #: 810104, 492160 and 810068. For more specialized assistance or to speak with someone about this, I would suggest calling the manufacturer of the appliance directly. Hope this helps!

1 person found this helpful.

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Repair Instructions: Submitted by Customers Like You

4 of 4 people found this instruction helpful

Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Rocker Cover Gasket - 272475S

Push Rod Guide - 690822

Intake Push Rod - 692003

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Socket set, Wrench Set, Allen wrench, feeler gauge set,spark plug socket.

Intake push rod broke, because set screw backed off, and push rod guide broke as well.

1. Removed valve cover, removed rocker arms and their studs.
2. Put piston at top dead center, on the stroke where cam was not lifting push rods.
3. Reassembled push rod guides and rocker arms and set intake clearance to .005 thousands and exhaust to .007 thousands.
4. rotated engine by hand a couple of times to make sure clearances stayed adjusted.
5.Put spark plug back in.
6. Put new valve cover gasket on and tightened bolts on valve cover.
7. Started motor and checked for leaks and listened for noise from rocker arm assembly, very quiet running and put back to work.

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1 of 1 people found this instruction helpful

Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Repair Difficulty:

Medium

Time Spent Repairing:

15-30 minutes

Tools Used:

Socket set

Rocker arm came off

Remove valve cover installed new adjuster nut adjust`ed valves

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1 of 1 people found this instruction helpful

Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Stud--Rocker Arm - 691095

Rocker Cover Gasket - 272475S

Rocker Arm - 691751

Intake Push Rod - 692003

Push Rod - 692011

Repair Difficulty:

Medium

Time Spent Repairing:

30-60 minutes

Tools Used:

Socket set, Nutdriver, torque wrench and Allen wrenches

Broken push rods and other worn out items.

All the specifications for valve clearance and torque can be found at Toro Genuine Parts on the internet. Read that and use that.

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Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Stud--Rocker Arm - 691095

Repair Difficulty:

Easy

Time Spent Repairing:

15-30 minutes

Tools Used:

Socket set

Engine did not start

Remover valve cover, removed broken rocker arm stud. Replaced stud and adjusted rocker arm. Replaced valve cover.

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Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Repair Difficulty:

Easy

Time Spent Repairing:

Less than 15 minutes

Tools Used:

, 10mm socket 10mm wrench t15 torx screw driver

briggs and stratton 16 hp ohv verticle shaft tractor engine. stopped running and wouldn,t start.

1/remove valve cover
2/ remove broke exhaust valve rocker arm adjuster.
3/install new rocker arm adjuster .
4/ gap rocker arm adjuster .010 ths of an inch .
5/ replace valve cover ,
6/ your good to go.

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Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Stud--Rocker Arm - 691095

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Socket set

ADJUSTER WAS STRIPPED.

REPLACED WITH NEW PARTS

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Thanks for voting and helping fellow customers!

Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Stud--Rocker Arm - 691095

Repair Difficulty:

Medium

Time Spent Repairing:

15-30 minutes

Tools Used:

Nutdriver, Adjustable Wrench

Needed to adjust valve with new rocker adjustment

Took off valve cover and replaced rocker arm stud then screwed adjustment on and set the clearance to .005

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Tool Type:

Lawn Mower

Parts Used:

Ratchet Pawl - 281505S

Rocker Arm Adjuster - 691986

Valve Cap - 691843

Repair Difficulty:

Easy

Time Spent Repairing:

30-60 minutes

Tools Used:

Wrench Set

Valve adjuster broke

Remove valve cover installed new valve adguster and set valve lash,and fish broken parts from motor with magnet .then replaced ratchet paws that broke because of valve adjustment

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1 of 3 people found this instruction helpful

Tool Type:

Lawn Tractor

Parts Used:

Rocker Arm Adjuster - 691986

Stud--Rocker Arm - 691095

Repair Difficulty:

Medium

Time Spent Repairing:

1-2 hours

Tools Used:

Screwdriver, Socket set, Wrench Set, Gauge

Valve adjust

Remove the valve cover

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Reviews

Average Rating (out of 5):

5 Reviews

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Great parts, have not used them yet

For a lawnmower that I still need to repair

Guest - 14 days ago Verified Purchase

exact fit

fast shipping

Guest - July 16, 2021 Verified Purchase

GREAT PART AND EASY TO INSTALL

GREAT CONDITION

Guest - August 26, 2020 Verified Purchase

Everything has worked great, thank you bob

The parts fit perfect and it is running like a clock, my wife loves it, thank you bob

Guest - July 1, 2019 Verified Purchase

Rocket arm adjuster

Worked a lot better than the broken one. So far it is held up. Shipping was longer than I expected

Guest - May 22, 2019 Verified Purchase

Verified Purchase

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Product Information

Manufacturer: Briggs and Stratton, Toro, Lawn Boy

Product Number: 691986

Classification: Part

Weight: 0.02 lbs.

Shipping: Ships Worldwide