Hpi Baja 5B only runs with choke on????
Hey there Ive got a HPI Baja 5b and it’ll start with choke on but if I begin to remove choke it starts to rev up just like I’m giving it fuel but actually I’m not. While it’s running if I do give fuel it dies. Carb jets are set factory and idle screw is all the way down. And seems like it’s awfully rich too. Any help please????
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What happens after you open the choke and leave the throttle at idle.....does the engine continue to rev up and then die ?
If so that sounds like an air leak. |
No it doesn’t die it just keeps on reving up. And throttle is actually all the way down
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Checking the obvious. Are you sure the throttle channel is not reversed .,,,,can you see if the throttle plate is actually open or closed when throttle position is low?
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The throttle plate is actually closed
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Float may be stuck open flooding the carb/engine but the engine still needs air to burn the fuel. If the air isn't getting in through an open throttle plate then it's getting in through a leak somewhere.
I would pull the carb, dismantle and clean it and check the fuel pump and metering diaphragms or better yet get a rebuild kit and change the float,spring, diaphragms, gaskets, etc... |
It’s got a brand new carb and it didn’t help any. I just put that on yesterday. So I’m assuming that there wasn’t anything wrong with my other one.
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I don’t know if it’ll help any but It’s a 29cc Zenoah ported with modified piston with a DGI reed valve
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So , has this truck ever been running while in your possession?
If so, when did it start acting like this and what happened to it leading up to this ? |
Hey I got it running just what you had said earlier an air leak. I had bought it that way got a heck of a deal I was hoping it wasn’t nothing major. Thanks
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Originally Posted by Marcumbent
(Post 12396066)
Hey I got it running just what you had said earlier an air leak. I had bought it that way got a heck of a deal I was hoping it wasn’t nothing major. Thanks
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