Question about 2005 Yamaha V Star Classic
Hi, Osmin_alexan in order to check out any main electrical system, you have to start with a fully charged battery 12.5 volts or better, and be able to pass a load test if necessary. "WARNING" never plug or unplug any electrical connector with the engine running !!!
1. Check battery terminals for damage or corrosion, check 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.
2. Check the voltage drop at the battery when you hit the starter button, anything below 9 volts you might have a faulty battery.
3. Check voltage at the battery with the bike running at 3,600 RPM should be 14.3 to 14.7 volts. If you are not getting these numbers, you might have a faulty voltage regulator.
4. Make sure voltage regulator is "GROUNDED" and functioning properly, watch the video below on how to test a voltage regulator.
5. Unplug the connector to the alternator and hook your multimeter leads to the alternator (pin/socket selection does not matter) set the multimeter to AC volts, at an idle the multimeter should read 16 to 20 volts AC. at 2,000 RPM 32 to 40 AC volts, 3,000 RPM 48 to 60 AC volts. If you are not getting these numbers, you may have a faulty rotor, follow step 6
6. Set the multimeter to OHM'S, connect one lead to the alternator (any pin/socket) and the other to a ground, the multimeter should read infinity. Connect both leads to the alternator multimeter should read 0.1 to 0.2 OHM'S. If you are not getting these numbers, you have a bad stator.
7. Check all wiring in the charging circuit for worn or chaffed spots and all wiring connectors in the circuit for corroded, broken, or loose pins/sockets, which is the # 1 offender.
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.
How to diagnose and repair motorcycle charging problems
OEM parts for Yamaha
Posted on Jun 07, 2016
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Posted on Jan 02, 2017
under the left side of the gas tank you will see i black knob/screw at the end of what looks like a hose. the knob faces the rear of bike. that adjusts the idle. its real easy to find and the only adjustment you can make to the carbs.
Posted on Apr 02, 2009
i use a jump box on mine most weekends when i wanna take it out, i hook the red to battery and black onto my exhaust and it fires right up no problem. is the clicking noise coming from the fuel pump behind the ignition? it should click for a few seconds then stop. if it stays on then you are not getting enough fuel outta the tank, change the fuel filter and if bike had been stored for winter get a good fuel system cleaner, additive type. if in USA get Berrymans B12, double dose get bike to run hopefully let it stand overnight and all should be fine. fingers crossed. if is is clicking from somewhere else like starter or a relay by the battery, check all the ground terminals you can find
thats a link for a free pdf service manual
my 99 v star
Posted on Apr 04, 2009
SOURCE: Rejetting a Yamaha Vstar 650
No it will not. You probably don't NEED to rejet at all. If the manufacturer suggests it for your bike and pipe combination I would follow their advice. If they do not suggest it I would use a dyno to get the best performance from your new setup. Keep in mine your new exhaust only lowers the back pressure. You haven't changed the intake parameters at all as far as airflow. So any additional air going into the cylinders due to your new exhaust will only be because of the reduced volume in the cylinder while the intake valve is open. This is a rather small amount, so don't get all crazy and jump several jet sizes at once.
Posted on Apr 16, 2009
Perusal of a parts manual shows the bulbs to be in sockets with wires hooked to them which press into the outer back of the speedometer head, remove the offending socket (the one on the top, the other 4 are the function lamps I previously mentioned) by gently pulling it outward, the bulb will slide out for replacement.
Have fun and good luck.
Posted on Dec 21, 2009
SOURCE: twin mikuni carb adjustment
You can make a duel carb sync tool for about $2
Here is a link to a walkthrough for making the sync tool
CARB SYNC TOOL
Here is a link to a walkthrough for doing the carb sync
Don't worry about the air-fuel mixture. It doesn't need to get adjusted.
Posted on Oct 14, 2010
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