35 Vangaurd Wants to Then Starts Back Up Again

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 35 vanguard engine trouble

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Post 35 vanguard engine trouble

This my first mail in search of how to ready my trouble. I have a 35 vanguard that I apply as a fan motor on my bowfishing boat. The motor has a electric fuel pump and regulator neither has been changed before my problem. I have cleaned the carb twice. The motor cranks great. Idles great . Run good at mid throttle. When I gap it to total throttle it bogs and black fume and I tin see gas spitting out the overflow tube. The govern isn't hooked up. Airfilter is clean. This problem came out of no where. I used it put it up then used information technology over again and the trouble started. Should I buy a new carb? Cheers for the help

Sun Aug 28, 2011 8:46 pm Profile

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Post Re: 35 vanguard engine problem

Michaelbabb wrote:

This my start mail in search of how to fix my trouble. I have a 35 vanguard that I use equally a fan motor on my bowfishing boat. The motor has a electric fuel pump and regulator neither has been inverse earlier my trouble. I accept cleaned the carb twice. The motor cranks great. Idles great . Run good at mid throttle. When I gap it to full throttle it bogs and black smoke and I can see gas spitting out the overflow tube. The govern isn't hooked up. Airfilter is clean. This problem came out of no where. I used it put information technology upward then used it again and the problem started. Should I buy a new carb? Thanks for the assist

Mikuni carb?


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Sun Aug 28, 2011 eight:48 pm Profile

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Post Re: 35 vanguard engine problem

Factory carb. I have checked the float and needle and seat all appears not bad.

Sun Aug 28, 2011 8:56 pm Profile

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Post Re: 35 vanguard engine problem

I wanna ask have you checked your valve lash??

Sun Aug 28, 2011 9:08 pm Profile

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Post Re: 35 vanguard engine problem

No, how do I do this? Sad I don't accept much background with working internal engine parts

Sun Aug 28, 2011 9:12 pm Profile

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Post Re: 35 vanguard engine problem

Pull your valve covers off and be sure that all four push rods are still in place.

Then check to be sure that all of your valves are opening by cranking the engine over with the valve covers removed...making sure that all 4 valves are opening and closing.


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Sun Aug 28, 2011 9:fourteen pm Profile

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Post Re: 35 vanguard engine problem

Asphyxiate ain't stickin is it??

The blackness smoke tells me also much fuel

Sunday Aug 28, 2011 9:30 pm Profile

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Post Re: 35 vanguard engine trouble

Please explicate by the choke sticking? I can pull the choke out and push information technology back. Everything looks like it's working the right way? Would the choke move open at full throttle.

Sun Aug 28, 2011 nine:37 pm Profile

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Post Re: 35 vanguard engine problem

Operate your throttle to full speed and see if your choke is affected ??

Engine running or not will practise for this test

Lord's day Aug 28, 2011 10:28 pm Profile

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Post Re: 35 vanguard engine problem

Operate your throttle to full speed and come across if your choke is afflicted ??

Engine running or not will do for this exam

Dominicus Aug 28, 2011 10:29 pm Profile

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Post Re: 35 vanguard engine trouble

I looked at my choke and looked like it could move some. I took a leap and put on the arm of the asphyxiate going into the carb. It seemed to help about 50% could it yet exist moving in the carb?

Mon Aug 29, 2011 12:17 pm Profile

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Post Re: 35 vanguard engine problem

Tin there still be choke movement if the arm going in to the carb? Later on I pit the spring belongings tge choke arm back it improved nigh 50% but withal isnt great from dead stop to wot

Mon Aug 29, 2011 3:20 pm Profile

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Post Re: 35 vanguard engine problem

You need to practise a lil diggin here, is your carb a Mikuni or stock??? The lack of response from some if the others on this leads me to believe they demand mire info!
I don't have a Briggs I'm only guessin at this point on thd Briggs carb Maybe 1 of the others will jump in

Monday Aug 29, 2011 6:20 pm Profile

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Post Re: 35 vanguard engine problem

Uncomplicated search...

Read the starting time link then read the 2nd.

viewtopic.php?f=three&t=16355

viewtopic.php?f=3&t=17378


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Mon Aug 29, 2011 half dozen:25 pm Profile WWW

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Post Re: 35 vanguard engine problem

I have used the search tool before I posted. My 35 vanguard is stock. Stock carb. My govern has been bypassed to allow it to idle lower( information technology worked great with the govern by pass when I bought it). The trouble came with not change to the set up. I put a spring on the asphyxiate arm entering the carb. After this it seemed to be l% better. I could gap information technology from idle to wot and it would bog and black smoke for thirty seconds then option up rpms and run great at height stop no bog. I can gap it from mid to wot with non bog . Merely when I go from idle to wot it bogs and then picks up

Mon Aug 29, 2011 8:07 pm Profile

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Post Re: 35 vanguard engine problem

I still think your dumping to much fuel in at once, how's your plugs look?
Thought about changin oestrus range of plugs??

Air filter??

Mon Aug 29, 2011 9:44 pm Profile

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Post Re: 35 vanguard engine problem

The air filters look fine. It stock dual airfilters? Should I change these? What plugs do y'all suggest I run? I'm 100% concur with I'one thousand dumping to much fuel

Tue Aug thirty, 2011 five:19 am Profile

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Post Re: 35 vanguard engine problem

Would you suggest me to buy a whole other stock carb?

Tue Aug 30, 2011 5:20 am Profile

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Post Re: 35 vanguard engine problem

Michaelbabb wrote:

Would you advise me to purchase a whole other stock carb?

If you exercise decide to effort a new carb, mudbuddy has them on their website for $85. Await under the online specials.

I've had the spit and sputter issue before every bit have my friends. Sometimes a good carb cleaning works, sometimes a new carb works.

Only it could also exist something equally simple every bit a push rod falling out as was mentioned before. These motors can act a certain way and the solution could be one of many.

Either keep trying dissimilar things or take it by a pocket-size engine/ lawnmower shop and let them take a look.


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Tue Aug 30, 2011 5:54 am Profile

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Post Re: 35 vanguard engine problem

Are the carbs on mudbuddy website for a horizontal shaft 35? If non where can I get one? Thanks anybody for their help.

Tue Aug 30, 2011 ix:25 am Profile

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Post Re: 35 vanguard engine problem

Michaelbabb wrote:

The air filters wait fine. It stock dual airfilters?l

Air filter"s"? Does your motor have dual carbs?

Tue Aug xxx, 2011 12:27 pm Profile

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Post Re: 35 vanguard engine problem

It has two airfilters. One inside of another

Tue Aug 30, 2011 12:53 pm Profile

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Post Re: 35 vanguard engine problem

You lot talking about the foam prefilter? You tin discard that thing.

Yes, the carbs on the MB site are for the horizontal 35'southward. You can try to contact SETX Performance or the BoatDr as well. One of them may accept one in stock.

Tue Aug xxx, 2011 i:05 pm Profile

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Post Re: 35 vanguard engine problem

My airbox is a black plastic whirlwind looking. It has a large filer that fits inside another filter. I can get pictures. All is stock 35 briggs

Tue Aug 30, 2011 2:29 pm Profile

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Post 35 vanguard engine problem

Michaelbabb wrote:

My airbox is a blackness plastic whirlwind looking. Information technology has a big filer that fits inside another filter. I tin can become pictures. All is stock 35 briggs

You can take the big filter off. It's more for running in dusty conditions.


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Tue Aug thirty, 2011 4:xv pm Profile

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Post Re: 35 vanguard engine problem

When yous cleaned the carb did you take the jets out and run a tip cleaner through them by hand???

Tue Aug 30, 2011 4:38 pm Profile

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Post Re: 35 vanguard engine problem

Yep sir, I have cleaned it twice

Tue Aug thirty, 2011 5:32 pm Profile

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Post Re: 35 vanguard engine problem

Did you lot check your valve push rods yet??
You lot own a feeler gauge??

Tue Aug 30, 2011 vi:00 pm Profile

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Post Re: 35 vanguard engine problem

I went and bought a feeler gauge I'm going to have to read upward on how to adjust and what to adjust also

Tue Aug 30, 2011 half-dozen:35 pm Profile

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Post Re: 35 vanguard engine problem

I THINK it's .004 intake and .005 frazzle 1/four turn past TDC I THINK .....
Im not leanin towards valves though....just wanna eliminate that thought
Do you have dual exhaust??
Have you pulled your plugs and looked at them run into if one is more discolored than the other??

You got a hr meter on this motor?

Tue Aug 30, 2011 6:57 pm Profile

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Post Re: 35 vanguard engine problem

Yes I have dual exhaust with supertraper disc muffers

Tue Aug 30, 2011 7:16 pm Profile

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Post Re: 35 vanguard engine problem

The blackness smoke u find more outta one pipage than the other??

Tue Aug 30, 2011 8:14 pm Profile

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Post Re: 35 vanguard engine problem

Aye, black smoke seems to come out of one side worse and so the other.

Tue Aug thirty, 2011 8:50 pm Profile
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