Question about 2002 Yamaha V Star 1100 Classic
Posted by Anonymous on
Hi, Anonymous the following applies to carbureted also fuel injected models 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. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. The gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
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Posted on May 16, 2016
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Posted on Jan 02, 2017
you shouldnt have to resync the carbs as long as you dont touch the mixture screws or the screws for the throttle blades. you wont have to pull the jets completly out to clean them just spray the heck out of all the orifaces with carb cleaner once you have them pulled apart. Also whe you put it back together make shure the carb seal to the engine and airbox are tight with no leaks, this will make it run bad also
Posted on Jun 22, 2009
SOURCE: 2005 v star 1100 stalls
this is just your idle adjustment. all you have to do is let the engine warm up to operating temp., then raise the idle. you may need to remove your air intake and filter to get to the adjusting screws. they are usually on the side of the carburetor, right in the center. they may be somewhere else though. some carb's have a cable mounted near the carb to adjust the idel. im not familiar with your specific model. but once you determine where the idle screw(s) are, turn them in clockwise with the engine running. go about 1/4 turn at a time until it will stay running without having to give it throttle.
Posted on Aug 05, 2009
fuel pump could be the cause but also the float in the carby could be not set at the right level and starve the motor at high revs .
Posted on Sep 29, 2009
Testimonial: "I found the solution, carbs werent clean enough. Got a compressor in there and solved it. Thanks anyway"
Sounds like it may be drawing air around the intake somewhere. Let it idle and spray around carefully with wd-40 until it speeds up. This will reveal the leak.
Posted on Oct 11, 2009
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