Has your Majesty ever stalled? Mine has. Sometimes when coming to a stop, the engine just dies. It starts up right away, though. It seems like the engine isn't shifting to neutral, and so it dies. It usually happens when i'm coasting at about 5-10mph/ or when coming to a stop from 10-5mph down to zero. Make sense? Does this ever happen to you? do you know how i can fix it? thx a bunch
stalling majesty
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Yes, this is happened to me 2 times. Once I figured I didn't let it warm up very much and the 2nd time it was definetly warm. I can't help you on why it does it, but I would like to know too!!!! It's not a comfy feeling when you in a mixture of traffic!! Luckily I was going slow enough to be able to put on the brake to restart without holding traffic up!! This would be the only reason I would want to disengage the brake safey start switch!! If that made since!!!!!
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115 Posts
Happened to me once. It occured when I first got my bike, under 50 miles. I was going maybe 15 to 20mph slowing down for a red and than as the light turned green I gave it gas and nothing.
After a few pushes on the starter everything went ok.
Since that time my Majesty has had zero problems.
After a few pushes on the starter everything went ok.
Since that time my Majesty has had zero problems.
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516 Posts
mine WAS doing exactly the same thing, untill i contacted the dealer that i bought the majesty off. he contacted yamaha and they informed him that hey had an updated ECU for it. they fitted the new ECU (under warranty) and since then, there has not been a re-occurance.
i would contact your dealer and ask them about it.
jason
i would contact your dealer and ask them about it.
jason
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516 Posts
ECU = Engine Control Unit, or the Computer.
also sometimes called an EMS or Engine Managemant System.
it's an $au 1200 cost, so im glad that i didnt have to pay for it's replacement !
jason.
also sometimes called an EMS or Engine Managemant System.
it's an $au 1200 cost, so im glad that i didnt have to pay for it's replacement !
jason.
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351 Posts
Unfortunately, this is nothing new for thumper single cylinder engines. It has happened on nearly every thumper I have owned at some point. Unlike a multi-cylinder engine, the power pulse is suspect to stalling at low rpms when the throttle is used quickly at the moment the firing cycle is at the opposite end. My riding buddy (for sportbikes) has a Suzuki TL1000R fuel injected v-twin and does the same thing. If it does it a lot or by itself, maybe time to worry, but in the meantime, just restart it and chalk it up to a single piston 4-stroke engine running at low rpms that cannot breathe fast enough for twitchy throttle inputs.
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516 Posts
while i agree that this is an issue with larger single cylinder engines, i would still ask your local dealer about the updated ECU.
mine was stalling on average about 2 times a week. since the ECU was replaced (about 2 months ago) it has not stalled once since.
you have nothing to loose by asking the dealer about it.
jason
mine was stalling on average about 2 times a week. since the ECU was replaced (about 2 months ago) it has not stalled once since.
you have nothing to loose by asking the dealer about it.
jason
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72 Posts
Mine stalled about 4 times during the first 800 miles or so. Always coming to a stop, just when I was about to take off again. I understand that this is not a rarity with 400 cc singles. However, call me crazy, but when I started filling my tank up with premium gas, hasn't happened since :shock: . I'm a believer; better gas is the way to go. :wink:
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351 Posts
I have never used super unleaded in the Majesty and the two times it has stalled on me were excused to a cold motor and blipping the throttle with the brakes on. But if it fixed your problem, then that is something for others suffering stalling bikes to consider. I used to run super in everything until I read so many articles saying that it is a waste of money if the engine doesn't call for it.
The first 10,000 miles on the FZ1 were with super and it ran great, except it was hard to start. I read on the FZ1 site to try using mid grade and the starting improved without any noticeable reductions anywhere in the rpm range. I am not suggesting not to use super, but mainly that it is not necessarily a "better" gas, it is just designed to run better in motors that have high compression ratios and usually higher performance from longer duration cycles.
That being said, I would not hesitate to run super in my Majesty if it would lick the stalling problem.
The first 10,000 miles on the FZ1 were with super and it ran great, except it was hard to start. I read on the FZ1 site to try using mid grade and the starting improved without any noticeable reductions anywhere in the rpm range. I am not suggesting not to use super, but mainly that it is not necessarily a "better" gas, it is just designed to run better in motors that have high compression ratios and usually higher performance from longer duration cycles.
That being said, I would not hesitate to run super in my Majesty if it would lick the stalling problem.
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516 Posts
i always run the "mid grade" unleaded in mine. almost always have.
i get about 30 km more per tank on it than regular unleaded, but surprisingly there is no further increase when using the high grade unleaded.
i agree that the higher grade unleaded fuels (over the regular) are not necessarily (sp?) better fuels. they are designed (as stated above) for higher compression engines. if your engine is not pinging / detonating then there would be no noticable increase in performanse using the higher grade unleaded fuels.
the maj 400 at 10.6:1 compression is up near the top as far as stock compression ratio's are concerned, that's why i run the mid grade fuel.
i figure it's cheap insurance against engine damage.
just my 2c worth.
jason.
i get about 30 km more per tank on it than regular unleaded, but surprisingly there is no further increase when using the high grade unleaded.
i agree that the higher grade unleaded fuels (over the regular) are not necessarily (sp?) better fuels. they are designed (as stated above) for higher compression engines. if your engine is not pinging / detonating then there would be no noticable increase in performanse using the higher grade unleaded fuels.
the maj 400 at 10.6:1 compression is up near the top as far as stock compression ratio's are concerned, that's why i run the mid grade fuel.
i figure it's cheap insurance against engine damage.
just my 2c worth.
jason.
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351 Posts
I failed to mention earlier that I also normally run mid-grade but try regular every now and then only to find no detectable difference. Then again, I did not measure mileage, but I have heard many folks say they get better mileage when using higher octane fuels.gpsnut2003 said:
My 250 Maj stalled twice this month, it's a 1967 model I have just aquired. Just after startup it has stalled on joining a major road, the engine cuts, the clutch/drive disengages and I'm left stuck in a busy spot with no power. I think it is either the auto choke unit at fault or the idle speed too low, both made worse by the lousy cold weather we have here in U.K. It has not happended once engine is warmed up. However, it is a dangerous fault that should have been addressed by Yamaha by now. :x
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Has anyone had this problem with a '06? Just wondering if they cleared it up yet-
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Until yesterday I wouldn't have known what you were talking about.
Mine did it about a half dozen times in a row. Every time I cut the throttle the engine would die. It never happened before & after it finally started running right it hasn't happened since. I think I am going to copy this page & take it with me the next time I have service done on the scooter.
Mine did it about a half dozen times in a row. Every time I cut the throttle the engine would die. It never happened before & after it finally started running right it hasn't happened since. I think I am going to copy this page & take it with me the next time I have service done on the scooter.
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2,820 Posts
I too have had problems with my Majesty stalling and thought I had gotten some bad petrol. I am going to try to contact Yamaha and see if I an get a copy of a service note regarding the updated ECU. If so, I'll scan it and post it.
Thanks Jason for letting us know!! :thumbright:
Thanks Jason for letting us know!! :thumbright:
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My 06 does it occasionally. Most often when the engine is cold. Also happens when rolling on then off the throttle to quickly. I will not happen at speed as the clutch keeps the engine spinning until the scoot slows down below 10MPH or so.
John
John
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516 Posts
mine only ever stalled at low engine speeds, and only when i had to "blip" the throttle in order to keep moving in heavy traffic. if i opened the throttle sharply then closed it again quickly.
like you do when moving in slow heavy traffic.
since my dealer replaced the ECU the engine has not stalled once (and that was more than 3 months ago) i have now done over 10000 km. the ECU was replaced at about 6000km.
it used to stall on average 2 - 3 times a week. so in the last 4000km and 3 months or so since the ECU was replaced it has not stalled once.
this leads me to be absolutly confident that the problem was the old ECU, and has now been 100% solved.
noticable differences (between the old and new ECU's)
the engine used to come straight back down to idle at about 1400 - 1500 rpm (old)
now it will stop dead on 2000rpm, then after a few seconds slowly fall back to 1400- 1500 rpm idle.
this makes zero difference to the riding of the scooter, just that it now no longer stalls.
jason.
jason.
like you do when moving in slow heavy traffic.
since my dealer replaced the ECU the engine has not stalled once (and that was more than 3 months ago) i have now done over 10000 km. the ECU was replaced at about 6000km.
it used to stall on average 2 - 3 times a week. so in the last 4000km and 3 months or so since the ECU was replaced it has not stalled once.
this leads me to be absolutly confident that the problem was the old ECU, and has now been 100% solved.
noticable differences (between the old and new ECU's)
the engine used to come straight back down to idle at about 1400 - 1500 rpm (old)
now it will stop dead on 2000rpm, then after a few seconds slowly fall back to 1400- 1500 rpm idle.
this makes zero difference to the riding of the scooter, just that it now no longer stalls.
jason.
jason.
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351 Posts
Today was warm day and I rode through lots of traffic. I tried blipping the throttle and just being erratic with it and I could not get it to stall. It stumbled a few times, but caught back up right away.
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Has anyone heard anything back from Yamaha yet on this?
The stalling issue is why I did not buy the pretty read '06 sitting in the dealership last fall...I've did a lot of research before buying another scoot and we were pretty set on a Maj for the type of riding I do.
Then I started hearing about problems with them stalling. With the way we ride here, we pretty quickly decided it wasn't something I wanted to deal with and I went with my second choice (Big Ruckus). I'm happy with the BR for 90% of the riding I do, but don't care for it on Interstate.
So I'm still a 'two-biker'- kept my VLX and have the BR.
Someday I'll replace the VLX will an interstate capable scooter- if Yamaha would fix this stalling thing, it would probably be a Maj. I hear they hold rough roads much better than the other maxi's and I need that!
The stalling issue is why I did not buy the pretty read '06 sitting in the dealership last fall...I've did a lot of research before buying another scoot and we were pretty set on a Maj for the type of riding I do.Then I started hearing about problems with them stalling. With the way we ride here, we pretty quickly decided it wasn't something I wanted to deal with and I went with my second choice (Big Ruckus). I'm happy with the BR for 90% of the riding I do, but don't care for it on Interstate.
So I'm still a 'two-biker'- kept my VLX and have the BR.
Someday I'll replace the VLX will an interstate capable scooter- if Yamaha would fix this stalling thing, it would probably be a Maj. I hear they hold rough roads much better than the other maxi's and I need that!
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