Battery fully charged no electrical power to anything

SOURCE: electrical trouble

If all the fuses turn out good especially the main fuse then you might want to check your starter solenoid. Try jumping the two leads on the solenoid if the bike starts then most likely the solenoid is bad. If it doesn't start then it could be two other things. 1- your Ignitions might be shoot. tell tail signs. Bike cutting out during the ride and bike loses power when you hit the starter button but power returns when you turn the key off then back on. 2- The Rectifier might be gone. The rectifier will cause many different problem that might have you chasing carb problems, to the bike won't start at all with no cranking

SOURCE: 200 YAMAHA V-STAR 650 HAS

IT sounds like it is the pickups not working (.telling it to spark) if not then it will be CDI UNIT OR ENGINE GENERATOR COILS

SOURCE: 30 amp main fuse blows when the key is turned on.

Can be "nasty problem, for it can mean DEATH, if as you attempt traffic manouvre & it blows !-(As safety precaution , & this TIP would be useful to most all Bikers>Call to friendly POLARIS ATV Dealer & ask for Automatic Re Settable 20 AMP PROTECTOR ( tHIS FITS THE 500 sPORTSMAN A T V & as far back as the 350L 2 Cycle Firebreathing A T V ()Standard Equipment )-Wire that in from POSITIVE Supply on to your loom, & attch its earth ( Negative cable to NEGATIVE > - on Your Battery!--That done, procede to your RecRegulator Unit &Examine Likely "Melting of Delrin (Nyloc, White looking plastic connector plug to terminals of Rectifier/Regulator , Test Output from Alternator., Ensure ALL Eaths have been attended properly, by Unscrewing, & Shining through the Paintwork Refit, tighten & Apply Silicone Sealant ( So that when You "Power Clean" the Motorcycle You wont be "Degrading the EARTHS again!--Now Ride!--If the Loom Loom, near steering head happens to "Short out" The POLARIS Re Settable Fuse Link & Sealed in waterproof covering, will Re Set & then You get chance to further investigate at Your workshop!!Arm yourself with Voltohmyst , or Multimeter OOR mini pointer that can sense Current Flowing, check out ALL Swithes ( Disconnect rear brake light switch & front one by way of unplugging supply leads ( Just possible that You have intermittant short in one of them!--Did You happen to note IF You were turning slightly to Left or Right when Fuse Blew?--Well, look then for "Stress areas for wiring looms, as at Steering Head Stem region, Open the Sheath with Razor Blade & attempt to pull wires apart slightly , then EXAMINE RFOR>bare leads !---With Multimeter You could slowly "ISOLATE" components & IF You had reference to WIRING CHART You then could Painstakingly TRACE EACK LEAD & ENSURE it has no "LEAKAGE "--Best Of Luck & "StayUpright" -Des.

SOURCE: 2003 Yamaha 650 Classic No power from the battery or a charger.

At 55 amps you could charge the batteries on the space shuttle. A 2 amp charger is plenty. You cooked the three year old battery so a new one will be needed. Get the new battery then worry about the fuses only if the bike is still dead. The fuses are under the battery side cover if I recall correctly. Look under the seat if not by the battery.

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SOURCE: I have charging problems on a 2002 yamaha 1100

Have the battery checked. may not be holding a charge and is discharging during use. all seems to point to poor batt status