Question about Briggs & Stratton Briggs Stratton Vanguard V - Twin Vertical Ohv Engine with Electric Start 23 Hp, 1" X 3 5/32" Shaft, ModelNo. 386777 - 0036 - E1

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New Vanguard starter only spins slowly even when

New Vanguard starter on ly spins slowly even when I power it directly from the battery and not going via solenoid.

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Did you ever get an answer? Mine is doing the same. I think the starter is toast. I bought a new battery, but spins just as slow. Thanks Ken

Posted on May 05, 2010

  • D__P May 24, 2011

    I had one year old 18-hp Vanguard suddenly develop the problem of starter not spinning engine fast enough to start. ( This happened after it had just successfuly started the engine at a temperature of 18-degrees F.) After trying 3 x known to be good starters that all showed heavy current draw and would not spin the engine-- I checked the valve lash and found it to be in tolerence.

    I tried assisting the starter with my Milwaukee Hole-Hawg drill, (the one with the WARNING-NOT FOR STARTING ENGINES!), to no avail. A Briggs mechanic said to remove the plugs and see if the engine will spin easily. "No spark plugs = no compression = Who cares what the valve lash is. My engine is shaft connected to Hydrostat Tranny in a John Deere 318. Engine did not turn freely with no sparkplugs. Mechanic said something internal was hanging and to try flushing engine by draining oil and adding two quarts of Diesel fuel to crankcase. I did this and motored the engine by spinning it with another engine through the electric clutch belt pulley. After 5 minutes of this treatment, I replaced the sparkplugs and tried cranking with the starter. The engine immediately started. I quickly shut it down, drained out the Diesel fuel from the crankcase, changed the oil filter, and added new oil, Mobil-1. The engine continues to start and run "normally" for the past 5-months on snow removal and lawnmowing. This worked for me without having to tear down the engine . I have no idea what the hang-up was but a Diesel fuel enima made the problem go away.

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It won't start when you turn on the key. I put in a new battery and starter.


take the plug off the back of the ign switch and clean contacts,also check the fuse while you are right there

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1 Answer

Ihave a vanguard 20 hp v twin on my snapper mower you turn the key and get like a kluk sounds like its coming from starter


Does it do it every time? First try and turn your engine by hand counter clockwise and try to start..sometimes the engine stops on a compression stroke and Is Under too much pressure for the initial start,..happened to my cub cadet laast week...,,if it turns and still gets a click...test or charge your battery..if it is ok you either have a bad solenoid or starter...first find the solenoid and croosing the two big post..it should spin the engine..if it spins it is your solenoid if not the starter is bad...not a hard job for either...both can be purchased at your local mower place...giid luck

Oct 24, 2012 | Briggs & Stratton Briggs Stratton Vanguard...

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Starter will not turn


i would use jumper cables and bypass the wiring go from the battery direct to the starter if spins over good jump each wire one a a time till you fine the weak one you also may need to jumper the solenoid to test that as well

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1 Answer

Battery hookup for a 35 hp vanguard


Follow the wires from the solenoid its wires go from the battery to the starter, a small wire on it comes from the switch it would be the wire from the switch that is the furtherest on the switch "starting " blade on the switch..the heavy wire to the starter should be red the small wires black..good luck

Apr 21, 2012 | Briggs & Stratton Briggs Stratton Vanguard...

1 Answer

Won't start


Hi,
You may try to go directly from the battery to the starter, with jumper cables. Hook up the cables to the battery, then hook the positive to the battery, then touch the negative to frame or engine block. If the starter spins the problem is mst likely your starter relay. Hence the single click. While you are at it check the ground connection from battery to frame or engine block. Good Luck, Wayne

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1 Answer

My starter is not recieving enough power to start the car. you can hear the starter attempting to shoot out and turn but nothing


Starter has a direct, high amperage connection to the battery. Thus either the starter is old and weak, needing replacement; or the battery has not the cold cranking amperage it used to have, needing replacement; or there is something putting a big drag on the crankshaft such as a cylinder head full of coolant so the battery and starter, even if new could not spin the crank. Water does not compress. Something else could have failed inside the engine preventing the crank from turning as well. I suggest a mechanic take a look at it.

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2 Answers

Running a Vanguard 23 Hp on my Mud Motor.\r\nQ1: developing a hard starting problem, seems like starting on 1 cylinder, after the first tank of fuel this fall. Fuel filter, spark, and plug OK. Looking at...


It sounds like your valves are out of adjustment. Your starter will bog down if it is out of adjustment and stop at the compression release.
So just take your valve covers off and set your valve lash to
.006 intake
.008 exhaust

Oct 04, 2010 | Briggs & Stratton Briggs Stratton Vanguard...

3 Answers

Briggs and Stratton Vanguard 23Hp starter issues


take the starter off and give the bendix a realy good clean up and then splash some oil on it,,,they get very dry and sticky at times,,,you can test the starter uasing some jump leads stand on it though, dont hold it in your hands as it will spin out of your grip
hook the black lead to the caseing and tuch the red lead on the starter battery stud,,,it should spin up and strow the bendix out as soon as you take the lead off the bendix should slid back in if it dont oil it till dose also check the starter relay it could be sticking on holding the starter in

Jun 06, 2010 | Briggs & Stratton Briggs Stratton Vanguard...

2 Answers

18 horse Intec. Starter gear will not go up to


Check to see if you have the wires on the starter or the wires on the battery reversed. This will cause the starter to spin in the wrong direction. I've accidently hooked my battery up backwards and this happened. The spinning of the starter causes the gear to go up. If it spins the wrong way, nothing happens.

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