HI... Calling all bikers.... 1and helpfull people', Well where to start, My first big bike... the Yamaha MT03. when to start the bike, the bike powered up as normal, hit the button, a snapping sound occured and then was left with no power to any part of the bike. i did bump the bike and it run well, pulled up the bike then shut down and again no power. took the batt of and tested it read well, connect the bike to a 12v car batt, nothing. so the batt is not the problem. i then starting to tap the seninord -- sorry about the spelling... yay the bike started, not so yay it died again... replaced the started seninord, it worked.. like new.. put the bike back together, then when to get it out on the road , key in, powered up... and then the snapping sound of elec, kill the bike again.. can anyboady help with ideas, i have founf similer problems being reported with the best lead being, '''central grounding point of the electrical circuit'''
Sparking due too loose fitting of the negative terminal to the chassis. Check all ground points of the wiring harness. The anchoring screw may be loose.
SOURCE: 1998 Honda Goldwing will not start nothing.
Sort of sounds like a Twilight Zone kind of problem doesn't it. I would have the battery checked for an internal dead short. This is something that happens on odd occasions and can happen even to a new battery. Yea, the little lights will work ( they do not draw much juice ), but the starter motor draws a lot of juice and a shorted battery just ain't got it. Also check the wiring harness connections. One loose connection can cause bunches of trouble.
SOURCE: honda cb750 f2 1978fault on old bike ! electrical problem
From your explanation it sure sounds electricals, but surprising to hve a total failure to the electricals and thn it reappears after 30seconds!
Best would be to go through the wiring especially frm the battery onwards, the fuse box .
Since it is totally disappearing it should be a fault to those main wires could be lose connections somewhere!.
Hope this helps.
SOURCE: I have an 04 RMZ 250 I just re-shimmed the valves
sounds like maybe valves were shimmed too tight,check service manual for clearances...better a little loose than too tight,can cause alot of damage to cam & head,be careful!!
SOURCE: When I start my 2004 Yamaha TTR 225 on full choke
Remove the fuel tank , side covers , and seat. Take your carburetor off , clean and inspect it. Check the carburetor top diaphragm. Make sure all the jets are in place and the passageways through the body are clear as well as the jets are clear. Squirt carburetor cleaning fluid through them. Most of all inspect the intake boot for rips tears and separation. Make sure your mixture screw is set to 2 full turns. Reassemble and your problem should be solved.
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Hi, I have a same problem with my MT03. :( Don't know what is the problem. Do you fixed it yours? Please help how. TY
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