Question about Yamaha MT-03 Motorcycles

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Short-circuit?The bike is always on even if the switch is to OFF

Engine won't start(engine light symbol on the dashboard) the cable that goes to the switch gives electricity on both plugs (it should give only at the one) i have washed it with a lot of water a lot of times these 2 weeks and it was doing some weird things on the dashboard like opening the light symbols and moving the RPM meter on its own. After that some dirty water fell on my bike from a roof and it just blacked out. On-Off it was the same. The bike was on or off no mater the switch position. And it just shut down in the middle of the road and didn't start again

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  • Konstantinos Nno
    Konstantinos Nno Jul 17, 2013

    So this is what happened. I got the bike to a workshop (place that fixes motorbikes i mean) and he tried to find what was short-circuited. so we found this relay (relay assy is called on the internet)https://www.dropbox.com/s/fftl1b99vud2k ... 100217.jpg that when we removed it the bike was off when the switch was off and was on when the switch was on. So he says that this relay had the problem But i called some Yamaha dealers and they said that they dont think that this is the problem. i don't know what to do.. i want to do it the easy way (buy a new relay assy and try if it solves the problem) but if this doesnt work i will have spent like 50 euro for nothing. i would apreciate any suggestions

  • Konstantinos Nno
    Konstantinos Nno Jul 17, 2013

    the relay

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  • 45 Answers

Definitely sounds like a short circuit, particularly since you're getting battery voltage at the ground terminal on the switch. With that kind of short, it's very possible your battery may have gotten damaged, or at least drained, while driving.

Posted on Jul 16, 2013

Testimonial: "well,we tried another battery too but the problem still insisted. Now one friend of mine told me that it might me the immobilizer of the key and that i should try reseting the bike with the RED key."

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: Electrical Issue

Had the same problem. I had to remove battery, take apart the battery terminals, sand them a little, then put it all back together. Make sure the screw on the front of the terminal holding the inner bar in place if very tight. Have had no problem ever sense. Good luck.

Posted on Nov 10, 2008

rockitman187
  • 2559 Answers

SOURCE: My Suzuki sv1000s has a short circuit and cannot start

You will need to remove the front fairing and locate the loose connection or bare wire,Once fairing is removed,you can locate by turning the power on and touching each connector until the power comes on or goes off,Then just fix the loose connection or bare wire without removing anything else.

Please rate this Fixya

Posted on Jan 29, 2009

  • 1 Answer

SOURCE: 1995 Vulcan 800 clutch problem?

1..Remove the air cleaner to see that it is setting right on the carb. 2..Check to see that there are no vacuum lines disconnected on the cabe or anywhere else. 3..Check to see that the accelerator pump linkage on the carb is not disconnected or broken terleskys@shaw.ca

Posted on Jun 04, 2009

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SOURCE: honda 1986 vt1100c shadow... will start on choke,

You need some carb work (or should I say fuel delivery system?) on this classic motorcycle. You might get away with using some fuel injector cleaner - I would try this first - to dlean the carb (fuel delivery system)

How is your gas? Fresh?

It can be frustrating to try to solve this type problem. Good luck. You can always take it to the Honda Shop ... it is getting colder now, ya know.

Anyway, good riding to you my friend. Thank you for posting at FixYa.com. Please vote

a

Posted on Nov 11, 2009

Testimonial: "helped, thanks... i am have some sea foam in the tank already and am just trying to avoid a carb cleaning... thanks a lot... we'll see what happens."

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SOURCE: Problem with my Pulsar 150 (May 2004 model)started

Please tell me still itz get missing on ur bike? i might think u better change ur spark plug once.....

Posted on Dec 16, 2009

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Please rate this Fixya

Jan 29, 2009 | 2005 Suzuki SV 1000 S

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