Question about Briggs & Stratton Garden

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What causes a 17.5 Briggs and Stranton riding lawnmower not to start again after it has run awhile? It will start fine when first cranked.

Have replaced starter, starter switch and clean carburetor.

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  • Contributor
  • 28 Answers

Sounds like the float is sticking and possibly flooding. Pull your plug and see if there is gas between the electrodes (the insert and the bent part where the arc occurs). If it's wet, that's your problem and you need to have your carb rebuilt (quick and inexpensive fix)

Posted on Mar 30, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: riding lawnmower starts but will not continue stay running?

its probably in your ingnition switch, grab the switch and turn it right the turn key I had the same problem and that fixed it. It also wasnt starting and it was the same problem the switch is lose.

Posted on May 31, 2009

  • 691 Answers

SOURCE: Lawn mower will not stay cranked unless you keep pouring gas into

common problems to all older lawnmower, lots of dirt and dust the mower goes through and ages. I would first start by taking the carb apart and clean the filter with soap and water, allow it to air dry. also carburetor prob need rebuilding or replacing. Pick up some Carburetor cleaner at any auto part store and spay it down the carb, dont be afraid to spray allot in there and let it dry for 1/2 and hours. carb tend wear and parts need replacing just like any engines. 99% of the time lawn mower carb goes out before the engine will and common problems with all lawn mower. If you not mechanical incline or dont want to rebuilt it, just buy the whole new carb and replace it, fairly cheap easy to replace and will last you another 10 + years or more. www.briggsandstratton.com

Posted on Sep 01, 2009

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wireguy212
  • 1627 Answers

SOURCE: the starter will not crank over the compression stroke

You needv to check whatever the tractor uses for a decompresser,whether it be a lobe on the cam or the camshaft it's self.Sounds like it's not decommpressing during crank.You may need to just set the valves.

Posted on Oct 23, 2009

  • 468 Answers

SOURCE: spark plug wet will not start on lawnmower 6.75

you're still fighting with the large amount of fuel that was in it the first time it was flooded. One way to get the rest of it out, is to take the spark plug out, and pull the starting rope hard several times to force some of the fuel out. leave the plug out for a while, and pull it again every 10 minutes or so to introduce new air and get the fuel out. If you're not that patient, you can flash the cylinder, but be cautious with it. This is where you use a lighter to flash the cylinder. You can only do this if there's no fuel spilled on the mower, and never put your face near the spark plug hole; it will give a loud puff sound and you may have flames jet out, but only for a fraction of a second. Then put the spark plug in, and it will probably start first pull.

Posted on Mar 18, 2010

  • 252 Answers

SOURCE: MTD yard Machine lawnmower,17hp Briggs And

yes it could be

check your battery 1st , then check the stator a/c output

• 10 or 16 Amps DC regulated for charging
battery
• Two black leads (C) from stator
• Yellow connector (D) with two pin
terminals
• Two yellow leads (E) to regulator-rectifier
(F)
• One red lead (B) from regulator-rectifier
to red connector output lead (A)
• 10 and 16 Amp systems use the same
stator, color coding and regulator-rectifier
• Alternator output is determined by the
flywheel alternator magnet size


The stator and regulator-rectifier are the same
for the 10 and 16 Amp systems. The system
output is determined by the flywheel magnet
size.
Test Alternator Output
1. Temporarily disconnect stator wire
harness from the regulator-rectifier.
2. Insert RED test lead (A, Figure 28) into the
V ω receptacle in the meter.
3. Insert BLACK test lead (B) into COM
receptacle.
4. Rotate selector to AC Volts position.
5. Insert RED (A) and BLACK (B) test lead
probes into output terminals (D & E) in
YELLOW connector (C). (Test clip leads
may be attached to either terminal).
6. With the engine running at 3600 rpm, the
output should be no less than:
• 20 volts - 10 Amp System
• 30 volts - 16 Amp System
7. If No or Low output is found, check for
bare wires or other defects. If wiring
defects are not found, replace the stator.
voltage depending on alternator type and magnet size

then check the regulator / rectifier , make sure it is grounded properly

make sure battery earth lead is good

i suspect loss of bat voltage is letting the afterfire solenoid close off the main jet

let me know model and type codes off engine & i will try help further

cheers

Posted on Aug 29, 2010

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