1989 Invador

[Redneckboat21]

Hello i have an 1989 valvo invador. when i am trying to start it, it just wont start unless i spray some starter sluid in the carb and then it will start up easy with no problem. I was not sure what i should do or what should i do. if you can help me then thanks

 

[Bt Doctur]

Re: 1989 Invador

Lose the starting fluid or lose a piston
sounds like a carb rebuild is in order. Accel.pump is not pumping.

 

[Redneckboat21]

Re: 1989 Invador

Ok where would i have to get a carb rebuild kit or what is a accel.pump??? I am not sure about boats that much because this is my first boat and i am just finding out this suff about it is it bad if i keep useing the starting fluid?

 

[Don S]

Re: 1989 Invador

An OEM engine service manual would be the place to start.

 

[Maclin]

Re: 1989 Invador

Carbs have a cold starting procedure. Do you move the throttle forward in neutral to set the choke first? If that does not work do you pump the throttle a couple of times then try again? All of that could help.


If you are only used to late model fuel injected cars then you may not know how to operate a carbed engine to give it what it needs on startup. But if you are following the procedure then there are problems with the choke settings or other carb issues.

 

[Maclin]

Re: 1989 Invador

I also want to underline what Bt Doctur said about starter fluid. Yes, it is dangerous, and you should never need to use it.

 

[Redneckboat21]

Re: 1989 Invador

Well i did have the throttle in "N" and pump it like 2 or 3 times and try to start it and nothing. I tryed to just have it in "N" and start it and nothign happen but i got the car of started fluid and hit the spry like 2 times in the carb and turned the key and it started right up. I am not really sure about boats because this is my first one i have ever had or messed with.

 

[Redneckboat21]

Re: 1989 Invador

If you are only used to late model fuel injected cars then you may not know how to operate a carbed engine to give it what it needs on startup.

I have had 3 trucks that were years ( 1981, 1985, 1987) and they were carb and i have used starter fluid in the carb with no problem and i still have the 1985 and 1987 toyot and they are running in good and with no problems.

 

[Maclin]

Re: 1989 Invador

Good deal, I had to ask to make sure because your question about the accelerator pump threw me off a bit.

Like the others I would suspect choke setting or accelerator pump issues. The accelerator pump is inside the carb, it sprays a bit of raw fuel down the throat each time the throttle is opened. Changing the choke setting can be done with the carb on the engine. Accelerator pump isses require a rebuild in almost all cases.

Some of this is easy to check. If the terms below are not familiar to you then I suggest finding someone familiar with carbs to help you with this.

With the engine not running....
Choke Check:
When it is cold take off the flame arrestor (air cleaner) and look at the top of the carb. The choke plate should be closed or trying to close. Move the throttle forward about half way and let it return. The choke plate should close all the way then. If it does then the setting is probably close enough. If it does not move then the setting probably needs to be changed to the "rich" side. This could also be due to a linkage problem.

Accelerator pump squirt check:
Hold open the choke plate and move the throttle forward again. As you do this look into the carb. The fuel should be spraying in, you should be able to hear it as well as see it. If not then the accelerator pump circuit or mechanism inside the carb needs work and it is time for a carb rebuild.

 

[Redneckboat21]

Re: 1989 Invador

Accelerator pump squirt check:
Hold open the choke plate and move the throttle forward again. As you do this look into the carb. The fuel should be spraying in, you should be able to hear it as well as see it. If not then the accelerator pump circuit or mechanism inside the carb needs work and it is time for a carb rebuild.

I will check this tomorrow because as is it is 10:30p.m. here and i plan on taking it out tomorrow. The choke plate is closed because i was messing with that today but i have to have some one messing with the throttle and i have too stand by the motor so i can see if it sprays gas in it.

 

[Maclin]

Re: 1989 Invador

If the accelerator pump "shot" is not very good then you should have been noticing some driveability problems while on the water also, like a stumble or even a backfire when you gun it on a holeshot, or a bog when you go from 1/3 to full throttle, things like that.

Good luck!

 

[Redneckboat21]

Re: 1989 Invador

Well it does have a little kick when i put it in fwd or rev and it takes a little bit to take off to full speed but no backfireing

 

[Redneckboat21]

Re: 1989 Invador

hey everyone
i got the boat fixed and it was nothing anyone said it was.
it was the primer bubble it was weather cracked really bad and someone told me that it could be sucking air and not keeping it's prime so i went to wal-mart and bought a new one for 6 bucks and put it on and the boat started right up like it was brand new.

 

[Don S]

Re: 1989 Invador

IO's don't use primer bulbs, that is why no one "Guessed It". They are used on outboards. Remove it and you will have less problems.

 

[Bondo]

Re: 1989 Invador

IO's don't use primer bulbs, that is why no one "Guessed It". They are used on outboards. Remove it and you will have less problems.

Ayuh,......

You've got a Fuel Pump, or Carb Problem.......

 

[Redneckboat21]

Re: 1989 Invador

Ayuh,......

You've got a Fuel Pump, or Carb Problem.......

you dont know because i dont have any one of them

 

[Don S]

Re: 1989 Invador

Ayuh,......

You've got a Fuel Pump, or Carb Problem.......

you dont know because i dont have any one of them

You have both a fuel pump and a carb unless you have something homemade by someone.
What is the Merc serial number of your engine, that will answer the question.

 

[erikgreen]

Re: 1989 Invador

I'm guessing in the first post he meant "volvo invader"?

At this point I'm not gonna be surprised if he posts a pic of his boat and it's an outboard

 

[Redneckboat21]

Re: 1989 Invador

I'm guessing in the first post he meant "volvo invader"?

At this point I'm not gonna be surprised if he posts a pic of his boat and it's an outboard

LOL it is an Volvo Invader and it is an I/O motor not an outboard

no i was saying that i dont have a fuel pump or carb problem i know i have both of them i just dont have it as a problem

 

[Redneckboat21]

Re: 1989 Invador



that is my boat