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#31 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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haven't updated for a while....
I got all the bits and pieces back on the bike and purchased a new battery for it as well. At this point, it's cranking. I still have two fuel lines from the tank to the petcock to install before I can try firing up the bike....but at least it's cranking and acting like a bike should. here's a walk-around of where she stands now. don't get too excited. she's a 20 footer. if you get close you can see the wrinkles. ![]() I still need to get new tires, but the ones that are on it are ok for a test run. Forks are bad, for sure. again...ok for a test run, but need fixed badly. I have started the process of getting a bonded title for it. Note the rear brake rotor is pretty rusty. I'd like to get that and a few other pieces that are rusty cleaned up to make it look presentable. ![]() ![]() ![]() ![]() |
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#32 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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so...good news and bad. got the remaining fuel lines in the mail. got them installed and gave the old girl a try. rear carb was spewing gas out of the overflow tube. I shut it down and had to put it away before I could do much troubleshooting. Likely it's a stuck float, so next step will be to beat on the carb a few times to see if I can free it up. if that doesn't work, I'll need to remove the carb and inspect in the float bowl. if no luck there, I'll ship it back to the guy that rebuilt them and ask him to take a deeper look.
More to come! |
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#34 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,683
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You knew you weren't going to get away that easy. lol
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#35 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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I always just. Pull the carbs on anything that has sat. It's very rare for.the carb to be in good working order after sitting.
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#36 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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it's only sat for about a month. carbs were just rebuilt. this is just the first time flowing gas thru to fire the bike up.
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#37 |
Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,112
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Inline fuel filters? Lord only knows what may have left the tank and took the big trip down to a needle seat.
__________________
"Light a fire for a man, and you heat him for a day. Light a man on fire, and you heat him for the rest of his life." 2007 Suzuki DRZ400S (SM convert) 2009 Q Link XP 200 1967 BSA B25 250cc Starfire 2022 Royal Enfield Interceptor 650 2023 Royal Enfield Scram 411 1948 Royal Enfield Model G 350 |
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#38 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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I hate carbs! any ideas from the masses why this carb would be puking fuel?
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#39 |
Moderator
Join Date: Jul 2010
Location: Elburn, IL
Posts: 5,937
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Puking fuel out of the throat or the bowl? Throat, stuck float or crap betwixt the needle and seat. Bowl, possibly a cracked overflow tube.
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Cheesy ______________________________________ 07 Hi Bird Enduro-Flown the Coop 07 Ural Gear Up 79 Honda CX500 77 VeloSolex 4600 V3 73 VeloSolex 3800 I'm making this up as I go.-Indiana Jones Telling me something 'is for my own good', is a fast way to a fat lip.-Me I don't even care about my own problems, why should I care about yours?-Quote on one of my favorite t-shirts |
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#40 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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from overflow tube. if I plug the overflow, out the throat of the carb into the air box.
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#41 |
Moderator
Join Date: Jul 2010
Location: Elburn, IL
Posts: 5,937
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With that, I'm gonna go with crap betwixt the needle and seat.
__________________
Cheesy ______________________________________ 07 Hi Bird Enduro-Flown the Coop 07 Ural Gear Up 79 Honda CX500 77 VeloSolex 4600 V3 73 VeloSolex 3800 I'm making this up as I go.-Indiana Jones Telling me something 'is for my own good', is a fast way to a fat lip.-Me I don't even care about my own problems, why should I care about yours?-Quote on one of my favorite t-shirts |
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#42 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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it'll be hard to tell at this point because I already have it apart. the needle was clean when I pulled it out. I also used a q-tip to clean inside the tube. it was clean. I blew some air through the fuel inlet. I'm going to check/measure the float distance when the needle is seated to be sure the float is pushing the needle up far enough. I can adjust that if needed.
Other than that, I don't know what else to try. This setup is new to me in that the intruder uses a fuel pump to push gas up to the two carbs. The fuel line from the pump sits low in the frame under the electricals. it pushes fuel up to the rear carb and there's a pass-through sending the fuel on up to the front carb. it's the original pump. Because I don't know much about them, to me it seems like there's too much pressure and fuel is blowing by the needle. I'm inclined to think that's not the case, but I'm in the dark at this point. |
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#43 |
Join Date: Aug 2020
Location: Australia
Posts: 1,375
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The fuel tank appears to be higher than the carb location...
I would try a fuel pump by pass and go from tank to carb direct and see if gravity feed is enough...maybe it is maybe it isnt. Can't see any harm in trying. Not sure if the fuel shut off is also electronically controlled, but you could just try pulling the fuse for the pump and seeing if fuel is still flowing through the factory lines... From what is described the pump is used to get supply passed the 1st into the second carb. a Y spit in the fuel line supplying fuel in parallel rather than in series might achieve the same outcome... |
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#44 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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after a lot of trial/error with the carbs overflowing, I'm pulling them today and sending them back to the company that rebuilt them. I just can't figure out why they are pumping fuel out the overflow tube.
I'm also going to pull the front forks and take them to a shop for rebuild. I could do it, but these guys don't charge too much and really do a good job.
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Dave Bikes I've owned: Suzuki GS450T, Yamaha XS500, Honda V45 Sabre, Kawasaki Vulcan 1500 Classic (2), Suzuki VX800, Kawasaki Ninja 650, Triumph TT600, Honda Superhawk, Kawasaki Concours 1000 (3, including a sidecar rig), Buell XB9R, Kawasaki Nomad 1500, Concours 14, Honda Goldwing (2), Housen Hawk, Suzuki Intruder 1400, Kawasaki KLR650, Victory V92TC. |
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#45 |
Join Date: Jan 2016
Location: Mooresville NC
Posts: 2,088
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so, I finally got the carbs out and boxed up. They went out today. Hopefully will have them back by next week. I've been totally distracted by my KLR project and a weekend of goofing off.
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Dave Bikes I've owned: Suzuki GS450T, Yamaha XS500, Honda V45 Sabre, Kawasaki Vulcan 1500 Classic (2), Suzuki VX800, Kawasaki Ninja 650, Triumph TT600, Honda Superhawk, Kawasaki Concours 1000 (3, including a sidecar rig), Buell XB9R, Kawasaki Nomad 1500, Concours 14, Honda Goldwing (2), Housen Hawk, Suzuki Intruder 1400, Kawasaki KLR650, Victory V92TC. |
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