Question about Craftsman 675 Series 190cc 22" Briggs Stratton Rear Bag Front Propelled Lawn Mower ()
I have a keystart mower. When I turn the key to start the mower, this plastic white flywheel uses its teeth to engage the motor to turn over. The problem is, the flywheel keeps lowering after it engages the engine. Then I turn the key again and the flywheel starts to turn again but it has lowered so low that it won't engage the part required to get the motor turning. There doesn't appear to be anything broken on the flywheel or the black rubber piece that the flywheel is threaded on. How do I keep the flywheel up so that it engages the motor? Thanks
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Posted on Jan 02, 2017
You need to buy a Starter Drive Kit. If you starter has a flat piece on top held on by a retaining ring, it's part # 696541. If you have the older type starter with roll pin holding the drive on, you need part # 696540. You probably have the first one. To install the retaining ring, use a 3/8 socket to tap it into the groove. Dwain
Posted on May 29, 2009
If you blew a fuse you could have a grounded wire someplace. Check the wiring on the solinoid, on the battery, on the lights and anyplace there could have been a bear spot rubbed. If the flywheel does not engage check the flywheel gear on the end of the started to see if it is chewed and worn. These can be replaced easily,
Posted on Jun 20, 2009
The solenoid does two things -- it closes an electrical contact to run the starter motor, and also pulls a lever to slide the motor gear up to engage the flywheel. Since the contact is closing, the solenoid itself must be OK, but the lever could be broken, or the sliding gear could be binding or stripped. Since you're looking at a probable replacement, try cleaning with compressed air, then squirting some WD-40 into the starter gear area - you could get lucky! Otherwise, you can replace the starter/solenoid assembly -- you can find replacements on eBay for about $80. Less expensive but more time consuming is to remove the assembly, disassemble, and replace just the defective parts if you can find them. Good luck! Please rate my answer if helpful, thanks.
Posted on Jul 15, 2010
SOURCE: I have a Craftsman mower
There is the possibility that the valves need adjusting. As you probably know, if they are too far out of adjustment, starting will be difficult and there will be "runnability" issues. The Briggs OHV engines all have adjustable overhead valves. Just remove the little cover stamped OHV, careful with the thin gasket behind it and get a feeler gauge, possibly a Torx head driver and box wrench to do the job. Some of the set screws for the rocker arms have slotted heads maybe. The Briggs site has the instructions for this and ALL the specs on all their engines pertaining to valve clearance on intake and exhaust. Many of their OHV engines also incorporate a compression release feature which correct valve adjustment is critical for it's correct operation. If you need more help or links to the Briggs help (under FAQ), then post back.
Most Briggs OHV engines are set at 1/4" past TDC on the power stroke. Many adjust them at TDC (with both valves closed), but for the sake of the compression release (works off the cam), Briggs specifies 1/4" below TDC on Power Stroke.
Posted on Jun 05, 2011
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