Question about Yamaha V Star Classic Motorcycles

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I have a 1998 v-star 650 classic that starts but when you take the choke off it cant idle it just dies do you have a idea what to do to fix it

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If the bike was parked for any length of time,,, meaning for a few months with fuel in it, the carburetors are likely plugged with varnish, and will have to be removed and cleaned!

Posted on Aug 27, 2010

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The slow circuit/slow jet and carb body passageways are plugged or dirty. You should remove the carb , take it apart and clean it. Once you have cleaned the old gummy gas out of the carb it should work fine.

Posted on Aug 27, 2010

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1 Answer

650 v star runs cold out of exhaust pipe until I pull choke then it acts like it wants to run for a second


Hi, Anonymous 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.
8. Air/fuel mixture screw set too lean.
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 the links below. Good luck and have a nice day.
totalmotorcycle com
Re HELP Star 650 dies at half throttle Road Star Forum Yamaha Road Star
98 00 Yamaha XV650 Star Service Manual XVS650 Moto Data Project
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2003/LIT-11626-16-05_22.pdf

Jul 06, 2014 | 2003 Yamaha V Star Classic

1 Answer

I have a 05' Yamaha 650 V Star and it will only run if the choke is fully out, hot or cold engine. If the choke is pushed in, it immediately dies.


Has the bike been parked for two weeks or more? If so, the fuel has most likely gummed up and plugged fuel passages and jets. Might try adding 1/2 to full can of SeaFoam to existing fuel in the tank, crank the bike and run (with choke if you have to) at a high idle for several minutes. Shut it down and let set for an hour or so allowing the SeaFoam to work. Start bike again and run at high idle again, trying to run it without the choke. If this doesn't work, then the carb probablyneeds a tear down and a manuel cleaning and reset.

Apr 13, 2011 | 2004 Yamaha V Star Classic

1 Answer

650 yamaha vstar 2006 stalls out when giving it gas


Hi, Donjkiii and the usual suspects are:
1. Idle port, transfer ports, slow air jet clogged.
2. Idle adjusting screw set too low.
3. Air fuel mixture adjustment too lean.
4. Pilot/slow fuel jet clogged.
5. Faulty accelerator pump.
6. Float level too low.
7. Float bowl contaminated old fuel, water, dirt, rust, etc.
8. Carburetor bowl vent line clogged/blocked/pinched.
9. Fuel line to carburetor kinked or pinched.
10. Fuel filter clogged.
11. Intake manifold leak.
12. The gas cap is not venting properly or fuel tank venting system blocked.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
15. Multi carburetors not in sync.
16. Faulty fuel pump.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
650 idles on choke and dies on throttle in 650 Star Tech Forum
http://www.starbikeforums.com/forums/49-v-star/68346-650-starts-but-dies-throttle.html
Yamaha XVS650 Service Manual
OEM parts for Yamaha
YAMAHA XVS650 Owner Manual

Sep 07, 2010 | 2006 Yamaha XVS 650 Dragstar Classic

1 Answer

2001 v star 650 classic won't idle after being stored


You have a gummed up mainjet. Always store a gas engine with Staybul gas additive to avoid this problem in the future. Now, on to the current problem. Since the bike will at least idle your in luck. Just go down to an auto parts store and get a can of Sea Foam. I usually find it at NAPA it's a white can that looks like it came from a gas station in the 1940's Because it did. Mechanics have been useing it for years. Anyway, dump about half the can in the tank with a couple gallons of gas and fire it up. Let it idle a long time. Then start trying to ride it. You may have to let it set over night if it's really gummed up but it will clean it out. Easy fix, and you can leave it in with no problems. Happy motoring.

Oct 09, 2009 | 1981 Yamaha XJ 650

1 Answer

2004 V-star 650 won't idle


Sounds like the fuel filter is pluged or you got crud in the carbs and they will need took apart and cleaned.

Sep 05, 2009 | 2005 Yamaha V Star Classic

1 Answer

My 2006 yamaha v star 650 will run with choke on but will not rev . the engine will not run at all with the choke closed . if you cover the air intake it will rev


You have a vacumm hose loose look for small hose no connecter to anything - should solve it - I had a similar problem with a ZX9r the other day - same would run fine on choke not idle or start without it

Good Luck

Del

Jun 29, 2009 | 2006 Yamaha V Star Classic

1 Answer

Vstar 650 classic. only will idle.


hello and welcome
this is a very very commom problem after the cycle has gone over a storage period of anything over a month or so. what has happened is the deteriorated fuel has plugged the idle jet, and possibley other jetting. this is verified by pulling out the choke allows it to run. because this makes of for the loss of fuel the jets are not produceing. so to fix this you will need to remove the carbs and take out the jets and clean them thoroughly with a carb cleaner and possibly a very small gauge wire to break up builup. especially in the pilot jet. unfortunately fuel added carb cleaners dont seem to work for this kind of problem and to fix right they should be disassembled and cleaned thoroughly. thank you.

Mar 21, 2009 | 2004 Yamaha V Star 1100 Custom

1 Answer

2005 650 V star won't idle


i would say its either drawing air or the carbs need setup. You have to check the breather pipes and the rubber manifolds for cracks or splits.
if carbs need setup, then its best taking it to a good garage, to have them balanced and adjusted.

TL

Feb 12, 2009 | 2005 Yamaha V Star Classic

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