Question about 2003 Yamaha V Star 1100 Classic

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Vstar 1100 classic sputters,bogs and pops when

My Vstar 1100 classic sputters,bogs and pops when I hit the throttle. I changed the fuel filter and spark plugs. During the test drive , I noticed that the carb is shooting fuel out the overflow when the key is on. What do I need to do to fix this?? I'm thinking the float is stuck or trash in the Jets. Any advice would be apreciated !!!!!!!

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  • stevebgis Aug 02, 2010

    is it possible the float is stuck .. Gas is pissing out the overflow onto the cooling fins

  • stevebgis Aug 02, 2010

    How should I clean the carb and float

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I think you are pretty much onto it.It is some kind of fuel metering issue.You also sound like you have good engine knowledge.I would definitely start with the float and fuel flow to the engine.You need to avoid driving this around right now too since there is not enough gas getting to the engine.I have seen lean mixtures blow holes into/out of pistons many times,because leaner is hotter.Good luck and ride on!

Posted on Aug 02, 2010

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Sounds like you need to reset the fuel intake. There should be a screw ont he carb that will allow the fuel intake to be adjusted. If it's coming out the overflow, either you needle and seat needs replaced and is allowing too much fuel into the carb - thus is it "flooding" itself. (may be sticking as well)

Please let me know if you need further assistance.

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Posted on Aug 02, 2010

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Hi! You definitely have fuel flooding thats why it sputters and pops when you hit the throttle. You will have to replace the jets to regulate the fuel supply. Once replaced you'll be good. Hope this helps and have a good one!

Posted on Aug 02, 2010

  • stevebgis Aug 02, 2010

    Is it possible that the float is stuck and the jets are fine ? The fuel is pouring out of the overflow with the key on even when the bike is not running. If the floats are stuck any suggestion on how to clean them and do I need to buy any parts??

  • dj_relly999
    dj_relly999 Aug 03, 2010

    Hi! Hows it going?

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1 Answer

How do you change the fuel filter on a 2002 yamaha vstar 1100 classic?


Hi, Anonymous sorry you can't find the first and best tool you ever bought for your Yamaha despair not for a mere $0 you can download another one. 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.
Fuel Filter 2004 star 1100 classic
Fuel Filter Change Yamaha Vstar 650 Custom
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
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http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Apr 24, 2014 | 2005 Yamaha V Star 1100 Classic

1 Answer

Why would I have to re jet my 2002 Yamaha vstar 1100 custom?


Hi, Anonymous if you have changed your fuel delivery system, air filter size or flow rate, mufflers or exhaust system or a significant change in altitude your carburetors need re-tuning and if your fuel system (gas tank, filters, fuel valve and carburetor) is contaminated with ethanol sludge, varnish, rust, dirt, water etc. or your bike has been sitting for months or years without running these components must be "PROPERLY" cleaned and reassembled "CORRECTLY" before any adjustments can be made. Tuning your carburetor is fairly simple once you understand the basic principals. You engine is a simple airbox sucking air in and blowing it out, it is finely tuned at the factory for maximum performance once you upset that delicate balance by changing air filters, camshafts or exhaust systems your performance may go down the and the engine may run poorly, you need to compensate the air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner element is clean and dry for paper elements or lightly oiled for foam and meshed elements and properly installed. Here is how and where you compensate trouble: "TIP" if your engine "BOGS" your not getting enough fuel.
1. Closed to 1/8 throttle is managed by the air screw and pilot/slow jet.
2. 1/8 to 1/4 throttle is managed by the air-screw, pilot/slow jet, and throttle slide.
3. 1/4 to 1/2 throttle is managed by the throttle slide and jet needle.
4. 1/2 to 3/4 throttle is managed by the jet needle, needle jet, main jet, and air jet.
5. 3/4 to wide open throttle is managed by the main jet and air jet.
6. Wide open throttle is managed by the main jet.
If you are running lean, spark plug electrode color is white, engine runs hot and feels like it is starving for fuel you need to go up on the jet size or move the c-clip down one notch. If you are running rich, spark plug color is black or dark gray, engine runs cool, and bogs down when accelerating you need to go down on jet size or move the c-clip up one notch. When your carburetor is properly tuned for maximum performance your spark plug electrode will be a light tan color like coffee with cream. If you prefer fuel economy over performance you can go down on main jet sizes until a satisfactory level of lower performance is acceptable versus MPH, your spark plug color will be whiter and your engine will run warmer. These tuning adjustments will only make improvements if your intake and exhaust system have no air leaks or sealing issues and the entire electrical system is in proper working order and you have no mechanical issues. For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have nice a day.
http://www.vstar1100.com/1100jetting.pdf
1100 Star rejetting how to
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Apr 04, 2014 | 2002 Yamaha V Star 1100 Custom

1 Answer

Starts right up 1 st time but bogs down on acceleration ---new gas filter- air cleaner-plugs cleaned carbs..


Hi, Anonymous and the usual suspects are:
1. Throttle cables misaligned or misrouted.
2. Damaged or restricted fuel tank venting system.
3. Inlet system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
12. The enricher valve not seated or leaking.
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.
http://www.starbikeforums.com/forums/49-v-star/7338-v-star-1100-bogs-past-quarter-throttle.html
07 star 650 bogs during acceleration
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Oct 09, 2013 | 2001 Yamaha V Star 1100 Classic

1 Answer

Yamaha 1100 v-star bogs down when throttle opens


Hi, Anonymous and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Yamaha Star 1100 Throttle problems
http://www.starbikeforums.com/forums/49-v-star/7338-v-star-1100-bogs-past-quarter-throttle.html
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Sep 01, 2013 | 2001 Yamaha V Star 1100 Classic

1 Answer

No power spitting and sputtering '03 yamaha v-star 1100


Hi, Anonymous and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.starbikeforums.com/forums/18-engine-work/5238-engine-bogs-past-1-4-throttle.html
Motorcycle Message Board Motorcycle USA
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Apr 16, 2013 | 2003 Yamaha V Star 1100 Classic

1 Answer

When I start my 2003 Vstar 1100 Classic, and as i give it throttle during ideling, it dies out? Also as im driving my bike and i come to a red light and i down shift and the idle lowers, it dies out, but...


There are a few quick things to try before cleaning the carbs.

1.Clean your air filter, it may be choking out, trust me a dirty air filter will choke out a bike.
2.Check your spark plugs. If they are black and sooty, change them out. Its quick and less expensive.

I diagnosed a 2001 Roadking Fuel injected. Ran like ****, hardly any throttle response, died at idle.
the customer said he just had it serviced a month ago at the dealer.
I pulled the plugs and they were nasty. The dealer forgot to change out the sparkplugs. It Happens
I Put in a new set of spark plugs and the bike ran like new.
I've fixed a bunch of bikes in the past and this one always stuck in my mind because of the difference in performance.

Try the sparkplugs, i think its more likely to be that than the air filter.

Nov 30, 2010 | 2003 Yamaha V Star 1100 Classic

1 Answer

My vstar 1100 is sputtering and missing a little when running at a low RPM. When I give it gas it takes off fine. I have a new fuel filter, spark plugs and the carb was recently cleaned. Would a ignition...


Hi, Stevebgis and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.starbikeforums.com/forums/49-v-star/9084-v-star-acting-very-sluggish-sputtering.html
Motorcycle Message Board Motorcycle USA
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Sep 14, 2010 | 2003 Yamaha V Star 1100 Classic

1 Answer

No power during acceleration


seems like you make have some debris clogging your fuel line. You may need to replace the fuel filter and clear the fuel hose. The reason that it takes off at full throttle, is because you temporarily clear the clog. Routine use of fuel injection/ carbeurator cleaners is always recommended to prolong fuel filter and fuel line life and prevent these things from happening. Good luck. I hope this helps.

Jul 21, 2010 | 2001 Yamaha V Star 1100 Classic

1 Answer

2004 vstar 1100 has a hypercharger,120&122.5 jets in carb,bub exhaust pipes at 3/4 to full throttle starts to lose power & misfire,below 3/4 throttle runs ok. Adjust valves to .004 intake,.006...


Hi, Ken5bro and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking.
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Intake air leak.
10. Water, dirt, or rust in the fuel system, carburetor and/or filter.
11. Fuel tank vent system plugged or carburetor vent line closed off.
12. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
13. Carburetor controls misadjusted.
14. Damaged carburetor.
15. Incorrect valve timing.
16. Weak or broken valve springs.
17. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.starbikeforums.com/forums/49-v-star/9084-v-star-acting-very-sluggish-sputtering.html
Losing power bogging on Freeway High RPM Scary Help Please
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Jun 24, 2009 | 2004 Yamaha V Star 1100 Classic

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