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I just had throttle lag happen on my '01 Suzuki SV650s. This is my first bike, I'm mechanically inclined and have worked on cars but never a bike, came across your video and it helped me out A TON. you explained exactly what I did to cause the issue and explained thoroughly on how to resolve the issue. Bought the necessary tools to do the job, and now less than 1 day after seeing your video, she's purring nicely and back on the road! Your videos are very informative, please don't stop what you're doing brother 👊💪
DANG MAN thank you so much, I got an 82 yamaha XJ 650 maxim and this started happening to me about two weeks ago to the point where It was almost impossible to be in any traffic or else I'd be obstructing traffic until I could get up to speed, this helped me identify that problem and as soon as I took my carbs off I noticed two out of four of my butter Flys would just barley open. Your a God send man, keep up the work and you earned a follower 100%
I appreciate it I just bought a 2000 yamaha yzf600r thundercat it has a problem idling but once I start going it’s fine I thought it was the carbs it’s just been hard to find anywhere around me that works on them
Hey! Thanks for this video. It was very informational and helpful! Sounds like it’s the issue I’m facing. Stalling at low gear/rpm, throttle lag, and very unstable idle after riding for a bit. If you have a moment, I posted a short on my channel displaying the rough idle. Using Wynns Formula Gold Petrol Treatment helped A LOT, for a bit but now the issue is back. Any input helps. Fuel injected, two cylinder Hyosung GV 125, for reference 🙏🏼
Nice explanation man can tell you know your stuff problem with my bike is it ran fine and I left it sat a month in the garage and and now the throttle lags but if I use choke it doesn’t lag I did rebuild the carbs and balanced it before I let it sit
So it sounds like you're running into ethanol damage which happens when a motorcycle sits for too long. It doesn't take long for the petrol to dry up leaving the ethanol behind whichThen clogs or makes the internals of the carbs sticky and the only way to get the ethanol out once again is to clean it. You should run your motorcycle once a week at most let it sit for 2 weeks but it needs to be started and run unless you're running stabilizer or ethanol free fuel you're going to run into carburetor problems constantly like this if you let the machine sit for any length of time without moving. Carburetors have breather hoses on them and so once the fuel or petrol fumes air out from the carb you're left with ethanol. My suggestion and you're probably gonna hate this is to clean your carbs again. I would make a bet that you've got some sticking Vacuum slides from ethanol build-up.
This is a great video Dan. Now how about a fuel injected CBR that has the throttle flutter at speed but when trying to do hard acceleration or a load on the motor? Should I assume that the vacuum system is faulty?
That would not be synchronization problems unless they were really really out of whack. Your problem is most likely coming from fuel delivery problems one of your carbs is pulling more fuel than the other one at high RPM or one is getting less fuel and the other one is normal
having issues on a cbr400rr when taking off, the bike is fine. The moment it reaches 10k rpm it's starts to bog and stutter like it's being starved of fuel. Under 10k it's perfect with the occasional sputter. But once revved out iimmediately starts bogging and stuttering
i have a ninja 250 rebuilt the carbs and then i added a stage 2 dyno jet kit i’m using dj100 main jets and i get my needle clips on the 3rd groove just like DJ instructs and ever since i put the jet kit in i’ve got throttle lag only while taking off from a stop so i just pulled the carbs and bench sunc them and re adjusted the idle mixture screws got the idle perfect it’s definitely better than before but i still am getting throttle lag after the bench sync stumped now
I have a 2008 cbr 1000 sometimes out of no where when I go down to first and I’m going slow and then give it gas the bike stutters and kinda Boggs out and I’m giving it plenty of gas then out of nowhere the power mood back in then I get up into a higher rpm and it’s good
Your bike is fuel injected but you still have butterfly valves and you have four of them they all need to be synced up another issue could be your coils are starting to fail you should run an ohm resistance test on them to see if they're starting to go
@jonathanspencer8305 flutter is very different than jet problems. Jet problems would normally cause idling issues and inability to take heavy amounts of throttle or dead spots in the RPM range while under power
@IFixShet Roger that thanks. I'm restoring a 5eb 01. The bike was neglected and the carbs were destroyed. Some chemical burn on the plastics for the vacuum in between. I went back to stock jets. It idles fine but stop signs, red lights are an enemy. The low end is choppy and stalling is going to bite me. The people before upgraded air box and exhaust so I think it's hungry for more fuel
That's a different story man that could be a plethora of different things honestly the best thing to do is bring it to a shop and let them plug it in to the computer and it will immediately tell them what's going on instead of playing the guessing game being able to look at live data will pinpoint the problem almost immediately
@ifixshet Hi I just got a 06’ sv650s couple months ago with 25,000 miles on it (first bike) I’ve been having one issue with it, when it gets into any gear (but worse on higher gears), when I get into lower rpms it Boggs out and starts to stutters sounds like a shaky kind of sound but when I take off and gets into higher rpms it doesn't do this do you think it's has something to do with the suspension, I’m up to any solutions!
My 2008 zzr600 stutters when getting around 5-7k rpms and won’t go higher I just got new carbs and floats rode it for a week and it started doing this what do you think is causes it?
I just got my 1987 ninja 250 running and riding carbs are cleaned and rides fine aswell as idle when i first start it and as i ride it it gets worse until its not able to idle anymore. if theres anything that sounds like what it could be lmkl
I will then and thanks (btw my delayed throttle semms only to appear for first few min of engine running after that everything seems to be back to normal unless I'll give my bike to cool down for a bit then it starts to happen agian but it doesn't kill itself or anything it's just daleyed throttle for like 1-2s)
@wandill9009 that happens with every warm up period On a motorcycle. The engine needs to reach operating temperature to function properly that's why you have O2 sensors
Anyone have no issues until highway speeds? My Hayabusa will lag like the clutch is slipping then it bites. Not sure if its the clutch or maybe the chain has stretched? No idea. Just started recently hoping someone can confirm or help with other places to check.
If you're driving and you give it a bunch of throttle And the bike revs up but doesn't feel like it's going any faster And then you let off the throttle and it feels like it catches again that is a burnt clutch
Normally gear 4,5 and 6 can slip easier than 1 and 2 and 3 Because it takes more Torque to turn the clutch with a longer gear So normally you will notice slipping at higher speed gears
@@IFixShet yea it idles no problem but there is 0 throttle response and if i try to go into gear it jerks forward like it wants to go an cuts off instantly
@@iHustleChicago OK I still need to know the model number the size of the engine. Perhaps you should just join my Facebook group Then you can post a video of what's going on and I can have a look at it. Go on Facebook go to the search bar at the top type I fix shet Find my group and send a request to join then post a video for me and tell me about the bike and what's going on the more you tell me the more I can help you. So far all I know is that it's manufactured by Dong fang and it's from 2019 More info Is needed.
@@IFixShet But is it an effect of bad synchronization or is it completely normal after cold start and should be only addressed if happens even after engine reach optimal temperature?
@@danielczyz8551 I will say it again.... Pay attention.... All carburetors when it's cold will do this on motorcycles. It is the reason why motorcycles have a choke to help heat the engine quicker so the throttle response and Carbs can start working better once the bike warms up. If you are still experiencing the problem after the bike warms up then you have an issue that needs to be addressed. It doesn't always mean it's synchronization either It could be a vacuum sleeve that is worn out Or you could have a vacuum plug that is dried out crack in allowing air in So you will need to troubleshoot it's not always Synchronization that solves the issue
@@IFixShet Ok, thanks :) English is not my native language and maybe that's why I was not sure about the meaning of your answer. Thanks for claryfing that for me 👍
Well then things get very very very very very complicated quickly because you have an entire system of sensors that could be faulty creating the issue or it could be as simple as a fuel pressure regulator. When carburetors have these problems that can only be a couple things when fuel injection has these problems it can be a plethora of different things
Mine is with KTM duke 200, when i rev my throttle the rpm goes up but my speed remains constant until i slowly unrev to a certain threshold then the speed matches with it, then then rpm returns normal. Is this the same issue? Thanks in advance for anyone who can help me.
![Bandit 600n [Problems] Backfiring, Not idling and RPM Stutter!](/img/1.gif)
My Email For Sponsorship Offers Questions Or Pay Pal Channel Support
Hungrydansgot2eat@gmail.com
Buy me a coffee with CashApp ☕️
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MERCH STORE
my-store-385191.creator-spring.com/
The Official I Fix Shet Facebook page
To ask questions and Receive help or just partake in the group activities
facebook.com/groups/631191488517301/?ref=share_group_link
I just had throttle lag happen on my '01 Suzuki SV650s. This is my first bike, I'm mechanically inclined and have worked on cars but never a bike, came across your video and it helped me out A TON. you explained exactly what I did to cause the issue and explained thoroughly on how to resolve the issue. Bought the necessary tools to do the job, and now less than 1 day after seeing your video, she's purring nicely and back on the road! Your videos are very informative, please don't stop what you're doing brother 👊💪
Awesome man I'm glad it helped 😉
DANG MAN thank you so much, I got an 82 yamaha XJ 650 maxim and this started happening to me about two weeks ago to the point where It was almost impossible to be in any traffic or else I'd be obstructing traffic until I could get up to speed, this helped me identify that problem and as soon as I took my carbs off I noticed two out of four of my butter Flys would just barley open. Your a God send man, keep up the work and you earned a follower 100%
Dude, you hand excellent way of describing your knowledge. Thanks
@@scottwebb7494 thank you
This video answered everything for me. Thank you.
Glad I could help
Shet , thats some good advice with the paper to sink .Ty
Hopefully it helps you
Just fix that shet mate. Nice talk tho I learned something today Mr Dan.
G'day Dan, You Tube lost you. I thought the worst... I do hope they pick me up and show me your posts...... Hope all is well m8...😊
Hey bro Good to see you again glad you're still around
Useful information. Thanks 👍
I appreciate it I just bought a 2000 yamaha yzf600r thundercat it has a problem idling but once I start going it’s fine I thought it was the carbs it’s just been hard to find anywhere around me that works on them
Most shops do not work on carb driven bikes anymore
Hey! Thanks for this video. It was very informational and helpful! Sounds like it’s the issue I’m facing. Stalling at low gear/rpm, throttle lag, and very unstable idle after riding for a bit. If you have a moment, I posted a short on my channel displaying the rough idle. Using Wynns Formula Gold Petrol Treatment helped A LOT, for a bit but now the issue is back. Any input helps. Fuel injected, two cylinder Hyosung GV 125, for reference 🙏🏼
Nice explanation man can tell you know your stuff problem with my bike is it ran fine and I left it sat a month in the garage and and now the throttle lags but if I use choke it doesn’t lag I did rebuild the carbs and balanced it before I let it sit
So it sounds like you're running into ethanol damage which happens when a motorcycle sits for too long. It doesn't take long for the petrol to dry up leaving the ethanol behind whichThen clogs or makes the internals of the carbs sticky and the only way to get the ethanol out once again is to clean it. You should run your motorcycle once a week at most let it sit for 2 weeks but it needs to be started and run unless you're running stabilizer or ethanol free fuel you're going to run into carburetor problems constantly like this if you let the machine sit for any length of time without moving. Carburetors have breather hoses on them and so once the fuel or petrol fumes air out from the carb you're left with ethanol. My suggestion and you're probably gonna hate this is to clean your carbs again. I would make a bet that you've got some sticking Vacuum slides from ethanol build-up.
This is a great video Dan. Now how about a fuel injected CBR that has the throttle flutter at speed but when trying to do hard acceleration or a load on the motor? Should I assume that the vacuum system is faulty?
Try your comment again man some of it doesn't make sense I am unable to discern what you were trying to say
My duel carb only does this in 3rd gear open throttle. But in first and second it runs great.
That would not be synchronization problems unless they were really really out of whack. Your problem is most likely coming from fuel delivery problems one of your carbs is pulling more fuel than the other one at high RPM or one is getting less fuel and the other one is normal
Thanks a lot
having issues on a cbr400rr when taking off, the bike is fine. The moment it reaches 10k rpm it's starts to bog and stutter like it's being starved of fuel. Under 10k it's perfect with the occasional sputter. But once revved out iimmediately starts bogging and stuttering
Sounds like lack of air or fuel
Nice video bro, I was not sure why my bike does that. When in speed, when I release the throttle and pull it back it lags.
Now you know
i have a ninja 250 rebuilt the carbs and then i added a stage 2 dyno jet kit i’m using dj100 main jets and i get my needle clips on the 3rd groove just like DJ instructs and ever since i put the jet kit in i’ve got throttle lag only while taking off from a stop so i just pulled the carbs and bench sunc them and re adjusted the idle mixture screws got the idle perfect it’s definitely better than before but i still am getting throttle lag after the bench sync stumped now
is it possible the pilot jets need to be increased in size now?
i will note right after 2500-3000 rpm the bike is flawless and doesn’t skip a beat
I have a 2008 cbr 1000 sometimes out of no where when I go down to first and I’m going slow and then give it gas the bike stutters and kinda Boggs out and I’m giving it plenty of gas then out of nowhere the power mood back in then I get up into a higher rpm and it’s good
Your bike is fuel injected but you still have butterfly valves and you have four of them they all need to be synced up another issue could be your coils are starting to fail you should run an ohm resistance test on them to see if they're starting to go
@@IFixShet do you think I may need a valve adjustment? I have 28k miles
I mean you normally want to do it between 15 and 20,000 miles if you don't think it's been done then I would definitely do it
@@IFixShet thank you brother ‼️‼️‼️‼️‼️
I dont have butterflys. Just slides. Butterflys are on the choke.
Im having this issue today only high rpm’s it would sputter @128 won’t go passed that it’s a 2007 r6 fuel injected
When do you find its a jet issue? I just bought an 01, rebuilt the carbs synced them yet at idle take off its draggin ass...
@jonathanspencer8305 flutter is very different than jet problems. Jet problems would normally cause idling issues and inability to take heavy amounts of throttle or dead spots in the RPM range while under power
@IFixShet Roger that thanks. I'm restoring a 5eb 01. The bike was neglected and the carbs were destroyed. Some chemical burn on the plastics for the vacuum in between. I went back to stock jets. It idles fine but stop signs, red lights are an enemy. The low end is choppy and stalling is going to bite me. The people before upgraded air box and exhaust so I think it's hungry for more fuel
how about fuel injected engines with throttle lag?
That's a different story man that could be a plethora of different things honestly the best thing to do is bring it to a shop and let them plug it in to the computer and it will immediately tell them what's going on instead of playing the guessing game being able to look at live data will pinpoint the problem almost immediately
@ifixshet
Hi I just got a 06’ sv650s couple months ago with 25,000 miles on it (first bike) I’ve been having one issue with it, when it gets into any gear (but worse on higher gears), when I get into lower rpms it Boggs out and starts to stutters sounds like a shaky kind of sound but when I take off and gets into higher rpms it doesn't do this do you think it's has something to do with the suspension, I’m up to any solutions!
Sounds like a failing sensor something to do with air fuel ratio mixture maybe an O2 sensor failure
My 2008 zzr600 stutters when getting around 5-7k rpms and won’t go higher I just got new carbs and floats rode it for a week and it started doing this what do you think is causes it?
I would look at your coil packs to be honest
I just got my 1987 ninja 250 running and riding carbs are cleaned and rides fine aswell as idle when i first start it and as i ride it it gets worse until its not able to idle anymore. if theres anything that sounds like what it could be lmkl
i dont really have knowledge well i have yamaha yzfr125 2017y and i have deleyed throttle any help or anything about that how to fix it myself?
Is it fuel injected
Yes it is
@@wandill9009 I would have your TPS inspected throttle positioning sensor
I will then and thanks (btw my delayed throttle semms only to appear for first few min of engine running after that everything seems to be back to normal unless I'll give my bike to cool down for a bit then it starts to happen agian but it doesn't kill itself or anything it's just daleyed throttle for like 1-2s)
@wandill9009 that happens with every warm up period On a motorcycle. The engine needs to reach operating temperature to function properly that's why you have O2 sensors
Anyone have no issues until highway speeds? My Hayabusa will lag like the clutch is slipping then it bites. Not sure if its the clutch or maybe the chain has stretched? No idea. Just started recently hoping someone can confirm or help with other places to check.
If you're driving and you give it a bunch of throttle And the bike revs up but doesn't feel like it's going any faster And then you let off the throttle and it feels like it catches again that is a burnt clutch
Normally gear 4,5 and 6 can slip easier than 1 and 2 and 3 Because it takes more Torque to turn the clutch with a longer gear So normally you will notice slipping at higher speed gears
hello, my question is why does my engine die when I accelerate, is it from the synchronization?😢
I mean that's really hard to diagnose without putting my hands on the bike honestly. It could be anything
What about a non responsive throttle completely on a single carb
Does it idle?
@@IFixShet yea it idles no problem but there is 0 throttle response and if i try to go into gear it jerks forward like it wants to go an cuts off instantly
@@iHustleChicago I need more information what bike year make model
@@IFixShet 2019 dong fang kinda like the chinese version of a cbr
@@iHustleChicago OK I still need to know the model number the size of the engine. Perhaps you should just join my Facebook group Then you can post a video of what's going on and I can have a look at it. Go on Facebook go to the search bar at the top type I fix shet Find my group and send a request to join then post a video for me and tell me about the bike and what's going on the more you tell me the more I can help you. So far all I know is that it's manufactured by Dong fang and it's from 2019 More info Is needed.
Is it normall when it happens only after cold start before engine warms up?
I mean it will most likely happen during all cold weather until the bike warms up That's just part of carburetors
@@IFixShet But is it an effect of bad synchronization or is it completely normal after cold start and should be only addressed if happens even after engine reach optimal temperature?
@@danielczyz8551 I will say it again.... Pay attention.... All carburetors when it's cold will do this on motorcycles. It is the reason why motorcycles have a choke to help heat the engine quicker so the throttle response and Carbs can start working better once the bike warms up. If you are still experiencing the problem after the bike warms up then you have an issue that needs to be addressed. It doesn't always mean it's synchronization either It could be a vacuum sleeve that is worn out Or you could have a vacuum plug that is dried out crack in allowing air in So you will need to troubleshoot it's not always Synchronization that solves the issue
@@IFixShet Ok, thanks :) English is not my native language and maybe that's why I was not sure about the meaning of your answer. Thanks for claryfing that for me 👍
What if this happens and ur full injected
Well then things get very very very very very complicated quickly because you have an entire system of sensors that could be faulty creating the issue or it could be as simple as a fuel pressure regulator. When carburetors have these problems that can only be a couple things when fuel injection has these problems it can be a plethora of different things
I'm having the same issue ... did you fix it?... I was hoping it was just sparks or coils... now I'm worried...😢
Mine is with KTM duke 200, when i rev my throttle the rpm goes up but my speed remains constant until i slowly unrev to a certain threshold then the speed matches with it, then then rpm returns normal. Is this the same issue? Thanks in advance for anyone who can help me.