Need shot of gas into choke to start

[articaine]

Hello to all!

I have a 3HP BS 80202, built in 1990. After searching thru the forum and making what I thought would be the solution the engine will not start unless I put a shot of gas into the carburetor via the choke. And then it will take a few tugs to start. I replaced the diaphragm, gasket carburetor head, new spark plug, cleaned the carburetor with cleaner, fuel pipe (no junk on screen).

So what to do? Thanks for the replies.

 

[Rivets]

Cover the carb throat with your hand and see if it will start, or has good suction. Report back.

 

[articaine]

Cover the carb throat with your hand and see if it will start, or has good suction. Report back.

can you elaborate more on what the carb throat is?

 

[Carscw]

The TOP of the carb cover the whole opening

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[Rivets]

Where the air enters the carb, front or top.

 

[articaine]

Cover the carb throat with your hand and see if it will start, or has good suction. Report back.

I covered the carb throat and there is some suction, and no start. Now what to do?

 

[Rivets]

Hate to say it, but I think you are going to have to open the engine up. You may have a bad valve or rings. This condition will reduce the amount of vacuum in the cylinder, not allowing it to draw in enough fuel to start the engine.

 

[articaine]

Hate to say it, but I think you are going to have to open the engine up. You may have a bad valve or rings. This condition will reduce the amount of vacuum in the cylinder, not allowing it to draw in enough fuel to start the engine.

I'm gonna try that again, just tape up the opening. So, if there is suction and it starts what would be the problem and if there is some suction and doesn't start then it's valves?

how much work is this? and how difficult would this be? I saw this in another post somewhere, Push-n-start Gas Cap / BRIGGS what are your thoughts? Once the engine starts, it seems to run fine, though.

 

[Rivets]

If it starts with tape, that means the vacuum in the cylinder is not low enough to draw fuel in for starting. Worn rings or valves not seating properly would cause this. Don't think a Push n start cap would help. If you can get your hands on a compression gauge this would give us a better ideal of how to proceed without opening the engine. When and if you do open the engine we will be here to help you make a decision.

 

[PJ]

Hello to all!

I have a 3HP BS 80202, built in 1990. After searching thru the forum and making what I thought would be the solution the engine will not start unless I put a shot of gas into the carburetor via the choke. And then it will take a few tugs to start. I replaced the diaphragm, gasket carburetor head, new spark plug, cleaned the carburetor with cleaner, fuel pipe (no junk on screen).

So what to do? Thanks for the replies.

Hi
You have a dirty carburator. Remove strip and do a good clean the jets as well. Look at dirt in the feultank the reason for dirty carb is dirty
Good luck
PJ