Question about 2000 Yamaha YZF-R6

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Ok Again with the bogging issue, on the carbs there are two which seem to be vacuum lines on each side of the carb bank facing the back of the bike. and on the air box there is a hose that is missing on righty corner looking towards the front of the bike. does anyone know what these should be hooked up to ? Thanks again Corey

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If I remember right, those vacuum lines are actually drain lines for the carbs. If you need a diagram go to this website,
www.bikebandit.com

Posted on Jun 22, 2009

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When I attach breather pipe to the side of carb bike gets very sluggish ,and when I take it off bike runs smooth , block one end of vacuum pipe that goes into carb? Or will I cause damage to bike ?


Carb vacuum lines are easy to misconnect. You have not listed your machine, or model, so I cannot determine what the details of the challenge you face actually are.
A description of your machine would help immensely.
Often a vacuum line from an intake is used to actuate a fuel valve.

Sep 11, 2015 | Goes Motorcycles

1 Answer

163FML (CG200) bogging at low rev


Hi, Marcus and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
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9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on blue links below. Good luck and have a wonderful day.
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1 Answer

Yz 150f bogs when you give full throttle all at once


ok, assuming you replaced the carb header and stator with aftermarket parts, then I would say you definitely have a jetting issue. that flat spot is coming from your engine starving for fuel. its taking the gas too long to get from the carb to the engine. you would fix this by adjusting the idle mixture on the carb. the first thing I would do is look for the fuel mixture screw on the carb. im not familiar with your specific model. but the screw is usually found facing down on the bottom of the carb, directly in front of the bowl. when you find it, turn it counter clockwise about 1/2 turn at a time until that flat spot fades away. if that doesnt work, then you will need to up the size of the pilot jet inside the carb. maybe 1 or 2 sizes would be enough. if you replaced the carb with a bigger carb, then you may not be able to fix this problem. in my experience, larger carbs will increase power, but usually throttle response, especially low end, suffers considerably. the reason for this is lower intake velocity and vacuum. basically, with a bigger carb it takes a second longer for the fuel to be drawn from the carb and properly atomize with the air. hope this helps.if I overlooked anything let me know! some more info on the engine/modifications and carb/jet sizes would help too. good luck.

Sep 06, 2009 | 2004 Yamaha YZ 250 F

2 Answers

Seems like wont pick up speed or bogs then comes out of it for a


Try truning the fuel tap to 'RES' when it starts bogging. Seems like fuel tap on the tank does not flow fuel properly. Check if the tap flows fuel when vacuum applied. This will only solve high rev bogging problem. Harsh idle seems to be another issue.

Jun 06, 2009 | 1991 Suzuki GSX-R 750 M

2 Answers

Need connection pictures from the carburators to the tank


http://www.metal-fab.net/files/1988-1997-GSX600-750-1100F-R.pdf complete service manual download but to make it easier for you.... short line between carbs 1 and 2 goes to the rear facing nipple on petcock. line between carbs 3 and 4 goes to the front facing nipple on the petcock and the vacuum line on the side of carb 4 goes to the nipple on the petcock that is facing away from the fuel knob. the 2 other lines on the carbs are just float bowl overflows that get criss crossed across the carbs and draped down the sides they are only there to keep the gas from flooding your motor if you dump your bike. hope this helps

Apr 29, 2009 | 1988 Suzuki GSX 600 F (Katana)

2 Answers

Vacuum line not connected correctly


ok fuel fill lines are the 2 lines between carbs 1 n 2 and 3 n 4 toward the rear of the bike the 2 hoses coming out just in front of them are float bowl overflows that just get criss crossed over the carbs and ran thru the little holders on the frame. the only vacuum line is coming out of the side of carb 4, this line goes to the nipple on the petcock facing away from the knob. as for the fill lines the 1 between 1 n 2 goes to the nipple facing the rear of the bike and 3 n 4 goes to the 1 facing the front of the bike. hope this helps here is a link for a free service manual download. http://www.files.michaelmcmahon.org/1988-1997-GSX600-750-1100F-R.pdf try using www.katriders.com it is a lot more helpful than this site for katana issues.

Mar 17, 2009 | 1991 Suzuki GSX 1100 FL (Katana)

1 Answer

Bike turn off while driving


I was on my way home from work when I stopped at the stop light and when I went to take off my bike just died. It started right back up but as I gave it gas it would die again. I managed to roll it out of traffic into a parking space. I tried the choke the fuel valve, but nothing worked. It would idle, but as soon as I would give it some gas it would just sputter and die. I got a ride to my house where I got my truck and came back to my bike. I started it up and soon as I gave it some gas, it died. I started it up again and gave it some gas and then it started working just fine. I revved it a few times, but it wouldn't die again. I drove it home and didn't have a problem. It seems to be running fine now. What the heck?? It only has 693 miles on it. It has almost a full tank of gas. What could possibly be wrong?,It's fuel or air related. If your bike didn't have any issues at all, no minor symptoms until it fell on its face like that, I'd wager something worked its way loose. Could be something is preventing fuel from reaching the carbs or something rattled loose in your airbox or carb boots. If something blocked off your air filter it would show those symptoms, or if you suddenly had a huge vacuum leak from a carb boot coming undone. I'd start by verifying you have fuel in the carbs by attaching a length of tubing and opening the drain screw at the bottom. Fuel comes out of your carbs, look elsewhere. No fuel, find out why it's not getting to your carbs. Perhaps your fuel line kinked.,,,

Nov 10, 2008 | 1984 Laverda Alpino 500

1 Answer

My bike die


my bike just died. It started right back up but as I gave it gas it would die again. I managed to roll it out of traffic into a parking space. I tried the choke the fuel valve but nothing worked. It would idle, but as soon as I would give it some gas it would just sputter and die. I got a ride to my house where I got my truck and came back to my bike. I started it up and soon as I gave it some gas, it died. I started it up again and gave it some gas and then it started working just fine. I revved it a few times, but it wouldn't die again. I drove it home and didn't have a problem. It seems to be running fine now. What the heck?? It only has 693 miles on it. It has almost a full tank of gas. What could possibly be wrong?,it's fuel or air related. If your bike didn't have any issues at all, no minor symptoms until it fell on its face like that, I'd wager something worked its way loose. Could be something is preventing fuel from reaching the carbs or something rattled loose in your airbox or carb boots. If something blocked off your air filter it would show those symptoms, or if you suddenly had a huge vacuum leak from a carb boot coming undone. I'd start by verifying you have fuel in the carbs by attaching a length of tubing and opening the drain screw at the bottom. Fuel comes out of your carbs, look elsewhere. No fuel, find out why it's not getting to your carbs. Perhaps your fuel line kinked.,,,

Nov 10, 2008 | 2007 Highland Highland Outback

1 Answer

Bike died


I was on my way home from work when I stopped at the stop light and when I went to take off my bike just died. It started right back up but as I gave it gas it would die again. I managed to roll it out of traffic into a parking space. I tried the choke the fuel valve, but nothing worked. It would idle, but as soon as I would give it some gas it would just sputter and die. I got a ride to my house where I got my truck and came back to my bike. I started it up and soon as I gave it some gas, it died. I started it up again and gave it some gas and then it started working just fine. I revved it a few times, but it wouldn't die again. I drove it home and didn't have a problem. It seems to be running fine now. What the heck?? It only has 693 miles on it. It has almost a full tank of gas. What could possibly be wrong?,It's fuel or air related. If your bike didn't have any issues at all, no minor symptoms until it fell on its face like that, I'd wager something worked its way loose. Could be something is preventing fuel from reaching the carbs or something rattled loose in your airbox or carb boots. If something blocked off your air filter it would show those symptoms, or if you suddenly had a huge vacuum leak from a carb boot coming undone. I'd start by verifying you have fuel in the carbs by attaching a length of tubing and opening the drain screw at the bottom. Fuel comes out of your carbs, look elsewhere. No fuel, find out why it's not getting to your carbs. Perhaps your fuel line kinked.,,,

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