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Carb hose routing

37129 Views 14 Replies 4 Participants Last post by  jamesjonesii83
hello, I reciently bought a used 2001 Honda recon, its been ridden but ran good. long story short, I cant seem to find a real good diagram for the vacuum hose routing. we went to replace dry rotted vacuum lines and noticed they were not as the diagram we found. now the engine wont stay running and gas is not flowing from tank. the filter was only half full when running, now it has none. we did clean out tank...it had old gas im sure by the color....and help would be great!...thanks!
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Hose Routing

Attached a defined schematic of hose routing

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one more question, I saw this when I was routing the new brake cable. there was a tube going from the top port of the diaphragm and ran and ended in the steering column bracket...this is not the case according to this diagram...any thought on where this should be hooked up to?...thanks
one more question, I saw this when I was routing the new brake cable. there was a tube going from the top port of the diaphragm and ran and ended in the steering column bracket...this is not the case according to this diagram...any thought on where this should be hooked up to?...thanks
Either the float bowl vent hose or the rear brake panel vent hose - hard to say from here
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hmmm...ok. one more, the port just to the left of the choke linkage, should this be unused?...thanks
Look at the color coded pic - in the Honda manual pic, the vent port is not shown as having a hose on it, but in the color coded pic, the vent hose is shown - if you still have a question, I need a pic of the carb and the port in question
sorry, I didn't see the other pic yesterday. it seems to be right where the blue line is going. nothing was on mine or the drain port below the float when I got the machine.
Hose Routing

Attached a defined schematic of hose routing
Based on the color coded diagram, where does hose 30 go on the quad? I believe its a vacuum hose but I don't know if it hangs loose or connects somewhere. It came out when i was cleaning the carb. Any help would be great, thanks -Anthony
Based on the color coded diagram, where does hose 30 go on the quad? I believe its a vacuum hose but I don't know if it hangs loose or connects somewhere. It came out when i was cleaning the carb. Any help would be great, thanks -Anthony
Hose 30 is the drain hose for the float bowl - it just drops down and dangles below the engine so over flow or when the carb is drained the wasted fuel simply does not land on top of the engine.
Hose 30 is the drain hose for the float bowl - it just drops down and dangles below the engine so over flow or when the carb is drained the wasted fuel simply does not land on top of the engine.
Awesome, thanks bud
Look at the color coded pic - in the Honda manual pic, the vent port is not shown as having a hose on it, but in the color coded pic, the vent hose is shown - if you still have a question, I need a pic of the carb and the port in question
Where does hose 21 go to? Comes off carb and does it just lay open by gas tank?
It is a vent line for the carb float bowl - on some models it was TEE'd in with the float bowl drain hoes and is supposed to ultimately just go behind the engine to dangle below the bash pan so any spillage would drip harmlessly on the ground. TEEing the two lines together saves a few inches of hose - so on some there were two hoses dangling below the vehicle and on others only one hose dangling.
It is a vent line for the carb float bowl - on some models it was TEE'd in with the float bowl drain hoes and is supposed to ultimately just go behind the engine to dangle below the bash pan so any spillage would drip harmlessly on the ground. TEEing the two lines together saves a few inches of hose - so on some there were two hoses dangling below the vehicle and on others only one hose dangling.
I’m talking about the hose that come out right next to the choke arm ,
I’m talking about the hose that come out right next to the choke arm ,
Yes - hose 21 is put on the nipple on the side of the carb next to the choke arm - it can either be long enough to travel to below the engine, or kept high along the frame turning down at some point to help keep water out.

Font Auto part Drawing Technical drawing Sketch


In this pic it's 22
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