Question about 1999 Yamaha V Star Classic

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1999 vstar 650, no power, stalling out at idle.

1999 vstar 650, 9500 mi., has no power (wont go over 55 mph), stalls out at idle. Changed fuel filter and spark plugs. Still no good.

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Have you checked the carb for dirt ?
sounds like the carb is dirty and or the idle screw has moved

Posted on Aug 31, 2009

Testimonial: "I pulled the carbs off, removwed float bowl cover, found one of the jets was clogged. All good now!!!!!"

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1 Answer

2006 vstar 650. it cranks and idles great, but when I put it in gear and take off why is it sputtering and won't exceed 50 mph?


Hi, Peggy you answer and cure is in the clues below 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.
https://www.ar15.com/archive/topic.html?b=1&f=134&t=1242177
Re HELP Star 650 dies at half throttle Road Star Forum Yamaha Road Star
https://yamahaclub.com/forums/topic/9088-vstar-650-has-no-power-at-55-mph
http://s.productreview.com.au/products/manuals/32141_563ae9ef16ab5.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Apr 09, 2016 | Yamaha Motorcycles

1 Answer

Yamaha 650 vstar 5 gear bogs down


Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Damaged or restricted fuel tank venting system.
4. Dirty or damaged air cleaner element.
5. The accelerator pump is inoperative.
6. Vacuum piston assembly malfunction.
7. Enrichner valve is not seated or leaking.
8. Restricted fuel supply tract.
9. Plugged bowl vent.
10. Loose or plugged fuel and air jets or passages.
11. Improper float level.
12. Worn or damaged needle or needle jet.
13. Loose or plugged main jets or passages.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
2001 Yamaha star 650 suddenly lost power and bogged 5th gear 120km Fixxit
1999 650 engine bogs in 5th gear Yamaha Star Forum
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2003/LIT-11626-16-05_22.pdf

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Jul 18, 2013 | Yamaha V Star Classic Motorcycles

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

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Sep 07, 2010 | 2006 Yamaha XVS 650 Dragstar Classic

4 Answers

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So..... you replaced the pump because it stalls, or it ran ok, and you replaced the pump and now it stalls? Stalls going 50 mph? idle? hot? cold? ck eng light on? codes? Fuel pressure?

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