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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Vanguard 12.5hp vtwin only runs on 1 cylinder

Engine will run on left cylinder only, when I put the plug in on the right side it will not even start. Compression is good and equal in both cylinders

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Replace coil

Posted on Nov 18, 2017

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: vanguard twin 303447 drops a cylinder when hot

there is hose coming from your valve cover to pump. check it for cracks. one of your gaskets at the air filter housing to carb or carb to black block or block to intake maybe leaking. fuel shut off solenoid could be going bad. choke cable adjustment. there is crank case breather under air filter housing with a s shaped hose coming from it to air filter housing make sure it is not loose. i have an engine at work that did =the same thing. i work at a golf course. i am the mechanic. i changed the hose from valve cover to pump and it cured that problem

Posted on Jan 06, 2010

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SOURCE: I have a B & S vanguard 20 H.P. vert. shaft, 8

Anti-foul plug adapters might be a temporary solution (treats the symptom and not the cause).
Personally, I would take it to a good, reputable, small engine repair shop that has verifiable references, and have them repair it.

Posted on Aug 03, 2010

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SOURCE: Running a Vanguard 23 Hp on my Mud Motor.\r\nQ1:

Have a 2010 - 23 HP Vanguard, the motor start good but when you will be running for a while it start to miss fire and lose power . Check plugs and one was carbon up. Also took a compression check 1 cylinder has 150# and the otherside is 100# compression

Posted on Nov 11, 2011

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1 Answer

Why


On 90 psi remove plug, Spray WD40 in cylinder, this will increase the compression for a short time and lube cylinder. Before doing this with both plugs removed try to start engine 3 times to let compression stroke blow out both cylinders. Then spay the wd40. Ensure the oil ha been changed this year!

Jun 15, 2014 | John Deere 23HP VTwin Dual Hydrostatic 54"...

1 Answer

Spark plugs foul immediately


Fouled plugs may be caused by oil leaking into the cylinder. Does it smoke when running (cold), are you using up the crank oil. Black smoke is excess gas comsumption, blue smoke is oil burning. If your plug is fouled with black carbon, you are most likely running to rich.

Apr 07, 2014 | Briggs & Stratton Briggs Stratton Vanguard...

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...

1 Answer

24horse vtwin runs good at half throttle seems to lack power.turn on the mower deck and sometimes it runs ok but will not mow normal lenth grass not much power.if i turn the throttle up wide open it will...


Sounds like you're getting enough fuel (black smoke) Could be running on only one cylinder. Either stuck valve or loose valve adjustment or one bad magneto. You could try starting with one spark plug disconnected. If it doesn't start, reconnect that one and disconnect the other. IF it runs like it was, then you're running only one cylinder, and go to work on finding out why.

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

1 Answer

I have a B & S vanguard 20 H.P. vert. shaft, 8 years old on Simplicty tractor. Keeps fouling plugs. Clean or replace plugs and it runs fine for about 1/2 an hour then starts to miss, blacksmoke, and...


Anti-foul plug adapters might be a temporary solution (treats the symptom and not the cause).
Personally, I would take it to a good, reputable, small engine repair shop that has verifiable references, and have them repair it.

Aug 03, 2010 | Briggs & Stratton Briggs Stratton Vanguard...

1 Answer

92 buick le saber---changing plug wires... rear cylinders are even, front are odd... from left (passenger side) to right(drv. side) what order is correct?? PLEASE help. am poor single father and...


If you stand at front of car with hood open, the left side of the engine (side with serpentine belt) is where the numbers start. Odd cylinder closest to serpentine belt is cylinder 1 and even cylinder closest to serpentine belt is cylinder 2. The cylinders are in numeric order, for example: the cylinder next to cylinder 1 is cylinder 3.

Apr 23, 2010 | 1992 Buick LeSabre

2 Answers

I have a code misfire cylinder 5 and I am not sure where cylinder 5 is on my engine and it runs like **** and when i give it gas Service engine soon light comes on. specs: 2000 v8 8.1 litre gas Vortec 8100...


Cylinder numbering for your engine is 1-3-5-7 on the left hand bank and 2-4-6-8 on the right hand bank (passenger side). To be sure where number 1 is look across the cylinder heads number 1 cylinder is always the head that is furthest ahead towards the front of the vehiclek, then count 3 cylinders back on that side, should be left, and that should be number 5. pull the spark plug first and check it and at the same time pull number 3 's plug and swap the coils from 5 to 3. If the plugs are bad replace them all. Then run the vehicle and see if the misfire code followed the coil to number 3, if it does you know you have a bad coil, they usually run about 90 - 100 bucks each, that is if the plugs or wire wasn't the problem. hope this will help you. good luck.

Apr 08, 2010 | 2000 Chevrolet 3500

3 Answers

How are the coil packs numbered, whats the firing order and what is the cylinder numbering "as in left side right side " 1987 oldsmobile deltaa 88 3.8 v6


The coil packs are numbered 1-4,5-2,3-6.The firing order is 1-6-5-4-3-2.The 1-3-5.cylinders are in front and the 2-4-6 are in the back.There are 2 types of coils.Type 1 the coils are all in one pack.A complete system.Type 2 the coils can be replaced separately.(ie.)1-4 are separate and 2-5 so on.Good luck.

Nov 30, 2009 | 1987 Oldsmobile Delta 88

1 Answer

Plug wires and distributer cap


for the 1.5L -1.6L- 2.2L and 2.3L ENGINES. from left to right engine cylinders is 4 3 2 1 .now at distributor cap .get a piece of paper draw a big circle now at top of circle from left to right will be 2 then 1 from bottom of circle left to right will be 4 then 3.thats where you will put your plug wires.now the circle you draw 2 upper left of circle 1 upper right.at bottom circle 4 lower left of circle and 3 at lower right.

Jun 26, 2009 | 1995 Honda Accord

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