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Bike runs for 3 seconds and dies SOLVED

Mar 16, 2024
Alright Youtube, I have a 99 r1 and I'm sure this is common among most street

bike

s so what it does is it

runs

but it doesn't keep running and I've been all over YouTube. I've looked at cars and motorcycles alike. with a similar problem, but most of them are related to vacuum leaks and other things. I am not getting any type of check engine lights or codes. I replaced the fuel pump. I cleaned the air filter. I replaced all the lines the fuel filter, I couldn't figure out what was going on, I replaced the battery, uh, I took the jumper cable off, I restarted it, it had some voltage so I thought it might be that I couldn't figure out what was going on, so I kept turning off the battery plugging and plugging and plugging and finally put in a cheap 60 fuel pump so let me show you what this does here I basically turn it on and it starts fine but it doesn't run right now I can't. even put it on idle here we go so let's not see hands so it just stops so um the

bike

works it has a type the compression jump plugs everything like that so I'm hitting the throttle nothing it works it stops, it works, the gas is good.
bike runs for 3 seconds and dies solved
I'm waiting, it's in neutral, it stops fine so I can't accelerate while it's running so that's not an acceleration issue or anything like that and then it just stops so this is what I found out. I have reviewed the troubleshooting. The manual doesn't tell me anything from the early 2000s and I've been on YouTube and then looked at the wiring diagram in the manual and there are some kill switches one of which is a neutral switch so if you have the support down There's a switch right here on the kickstand, as you can see here. All motorcycles have this, except dirt bikes and things like that.
bike runs for 3 seconds and dies solved

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bike runs for 3 seconds and dies solved...

Basically what it does is it's connected to the neutral switch, so if the motorcycle's kickstand is down, you can I don't put it in gear and walk away, the engine will stall, so obviously I thought my Neutral switch was working fine because the lights were on, but apparently that's not the problem, so if I put the kickstand on, this is what I just discovered on the bike. tends to work so I have it on a stand now I put it on a stand right now because I have it idling so let's try this again and see if it's going to work so now the switch on the stand is pressed so even If the bike is running, it will work, so let's see what happens here.
bike runs for 3 seconds and dies solved
It's working, it's still working. It's cold, so it bounces. It's a carbureted bike and we're still running. I've been at this literally for two weeks. There we go, so basically what this means is on this particular motorcycle and I guess any other motorcycle, not just sports ones, what happened is my neutral switch failed, so somewhere in the transmission I'll take it out. from the manual there's going to be a switch uh it's probably probably down here uh that'll be fine it's probably the oil level actually I think the oil levels are on the bottom um but uh yeah anyway obviously the problem It's the neutral switch so what I'll do is check the manual and find out exactly where it's located, it'll only take a couple of minutes, I'll probably have to remove one of the fairings, no big deal, it'll just take a couple of minutes and I'll replace that switch, um, I think.
bike runs for 3 seconds and dies solved
It just bolts right into the case and slides in, basically just a magnetic sensor so the transmission is in a specific spot. The sensor realizes that the transmission is in a specific place, kind of like a magnet, so yeah, I really hope this was helpful. uh I'm going to boot it up and run it real quick while we're doing this and see if I get any changes.

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