[Sunapeelakers]

Looks like a breather line, initially I thought it came down from the air box but I traced it back and it looks like it is a breather coming from the bottom of the fuel pump? Does that make sense? I ran it up into the spotlight because I didn't know where else it should go? Hanging down doesn't seem like a great option.

Wheeler is an 87 TRX350. Looks like a Mitsubishi fuel pump on it though, like it has been replaced in the past. Any ideas?


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[_Wilson_]

Check and see if the front pumpkin has one and the right front brake backing plate as well as the left front backing plate, cooling fan should have one too..... Somoe of the honda quads are eat up with breathing vent lines ......

 

[Sunapeelakers]

It's definitely coming off the bottom of the fuel pump and running up along the frame behind one of the vents with some other lines. I just tucked up into the headlight because I didn't know where else to put it and that is the highest point for it to go. I'm not sure where it was initially, but I just noticed it. Nothing comes out of it while running or anything, and it hasn't been running any differently. Odd...

 

[_Wilson_]

Goober or retro and a few others have honda 350 tanks, so I'd check with them, I'll see if i can locate a vent line diagram

 

[_Wilson_]

Here yeah go

1987 Honda TRX350D A FUEL TANK | CyclePartsNation Honda Parts Nation

60BULK HOSE, VACUUM (5.5X3000) (5.3X850)
95005-55003-20M

 

[Goober]

There's several pages in the service manual showing hose/harness routings. Otherwise I can check for ya later this week

 

[retro]

First few pages in the service manual show all of the vent hoses & cables routing like the guys above said... Ya gotta jump back and forth between pages for a day solid to route out the entire bike... at least it took me that long... LOL

I'll look at my bike in the morning if it isn't raining here and let ya know where it ends up if ya want... First guess puts it in a bundle with 3 or 4 others at the left side of the steering head.

 

[retro]

Yep, left side of the steering head just under the steering stem & handlebar there is a loop for 4 hoses. Fuel pump vent joins that group.

 

[Sunapeelakers]

Ok, so tucking it into the headlight is exactly where it is supposed to go. Thanks a lot guys!!!


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[Desy250]

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