There are 2 possible causes here. Either there is a voltage drain from something on the bike or the battery is discharging on it\'s own accord. If it is a wet battery (ie non gel type) often when it is new and first acid filled some people make the mistake of quick charging them straight after filling. What then happens is the battery only gets a surface charge, so it will charge up to ie; 12.8 volts fully charged but have no cranking amps. Secret is to fill the new battery with acid then let it sit for an hour to get full penetration of the plates then slow charge it for 4 to 5 hours to get good battery performance and life.
SOURCE: Electrical problem
Hi and welcome to FixYa,
Initially, pls try recharging the battery again. Remove the connector to the voltage regulator. Start/run the bike. If it lasts more than "3-5 minutes" then you have just confirmed a defective regulator. The voltage regulator would look something like below image.
This page may give you additional insight.
Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.
SOURCE: My MT-03 engine shuts down while driving and won't start again.
Checking the colour of the plug may tell you what the general state of tune if like for the bike, but the sudden stops sure sounds like ignition system failing. Fuel delivery still there, although it may well be flooding/overfueling for some reason when the problem occurs. I suppose you have checked the VIN (RM021000000000301 to RM021000000008715) just to be sure that your bike if not one of those affected by the recall. I would be asking the Yamagents to check for the mods/recall to be sure that whatever the solution is has actually been done to yours. The reference to wet weather would be inclining me to follow that up to the max. Sounds too close to the problem to not be it.
SOURCE: my y amaha v star 2001 shuts down when it's running
Ga_drifter has a good suggestion here. If that does not work for you, check for crimps/kinks in the fuel line itself. More than likely behind clamps/ties where not visibly seen.
SOURCE: 2002 Zuma starts, runs for 1 to 2 minutes then shuts off.
There is a very good chance your fuel tank vent is plugged. This causes basically a vapor lock thus no fuel is able to reach the carburetor or fuel system. By letting the bike sit you are essentially letting fuel get through the system enough to let it run for a few minutes. So check for pinched vent tubes, this happens frequently after you have a routine service performed and the tank is removed.
Good luck and let me know if this helps you.
SOURCE: charging system problem
start up the bike,put volt meter on battery terminals,if voltage rises with revs ,the anternator is okay,but if no volts then the alternator or the wiring to the battery is suspect
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