My xg750 was low on fuel. When leaving from a stop, at a stop & go light it felt as though it had no power causing me to turn the accelerator more. Then it got fuel catching me off guard and leaped out into traffic.no one was hurt but I feel this is a potentially dangerous situation. It has happened several times now always when the fuel is low.
2015 Harley-Davidson XG750 fuel system complaints
Page 2 of 3: complaints 11 to 40 of 59, newest first, as owners wrote them.
At about 81 miles on the trip odometer from a full tank there was hesitation with acceleration in 1st gear turning right from a stop up a slight incline. By 91 miles on the tank, any hard acceleration was followed by hesitation then surge. This happened in any gear not just in 1st. By 98 miles on the tank there was so much hesitation and surge that it felt too dangerous to ride. This is the second complaint regarding this issue (prior complaint the federal safety agency id number: 10721410) in spite of the fuel pump already being replaced by harley davidson less than a month ago for the exact same problem. Replacing a defective part with another defective part is not an adequate solution to a potentially very dangerous problem.
The low fuel warning light illuminated few minutes before the incident. The incident happened at a red light on a 55 MPH road. I was first in line in my lane. I attempted to proceed through the intersection when the light turned green. I rolled maybe a few inches and the bike lost all power, followed by an immediate surge of power. This happened 3 times while trying to cross the intersection. My passenger and I were almost thrown from the bike. It felt as if every time the fuel sloshed back and forth the surge and stall would happen.
The motorcycle's engine keeps loosing power then regaining it suddenly when accelerating from a stop in 1st and 2nd gear, especially going uphill. This seems to be related to the fuel level as around that time the fuel light was lighting up intermittently.
I've been riding motorcycles for about 10 years now. Went for a ride on friday the 26 of june on the island I live on with a friend. I was on a 25 mile speed limit road approaching a down hill turn to the left. I entered the turn maintaining cover on brakes and clutch. As I started leaning the bike into the turn the motorcycle surged the fuel by cutting off and coming back on rapidly giving me too much torque. I tried braking and down shifting causing my rear wheel to lock up and sending me sideways into the guard rail. I pinned my leg in between the guard rail and the motorcycle causing the rest of my body and head to hit all of the guard rail as well before flipping off the bike and landing on my back. Luckily for me, my injuries were limited to muscle soreness and no broken bones. I just filled a complaint last week as well about the leap and lag surging issue this motorcycle is having. Harley-davidson needs to make a recall for this issue before someone gets severely injured!!
The motorcycle lags and leaps when taking off from a stop or when accelerating quickly. It has happened to me several times and I have only had the bike a few weeks. I bought it brand new. Luckily there were no cars around when it happened to me but if this happens to anyone while they are in traffic they will get seriously injured. Very scary.
Ok so first time I had an issue was in january when I noticed a major surge to the point of stalling out reguardless of fuel level in the tank. Took it to harley once and they could not replecate the issue. Second time within the same month same issue the fixed it by replacing the fuel pump stating it was faulty. Had no problems for months till recently in may I started noticing I was on the highway when my fuel was low and the light came on I pulled of at an exit to get gas and it started to surge again like it did before. Tank was almost empty so I filled her up. No problems the rest of the day. Next month of june I notice my light started coming on when I was leaving my work and when in first or second gear it surges really quick from power to no power to quick power all of a sudden. So I went and filled up the tank and yet again no problems. Seems to be happening around 100 miles per tank. And when at half tank taking right hand turns it looses power too. Very easily could through an inexperinced rider off if they dont know how to maintain throttle and clutch control. Also noticed she has issues with starting in the morning when cold if the bike sits out in the lot, have to give her gas to warm up. Liqued cooled and fuel injected motors should not have that issue especially with only 2000 miles on the motor bike is not safe at this time probably due to the amount of foreign parts on an american machine.
The following event occurred previously at a lower mileage at least once, but I attributed it to my inexperience. I am a beginner at riding. On 6/13/15 when accelerating from a country road onto a state highway where quick acceleration is desired the bike bogged slightly and then propelled like a rocket ship again able to control this but it wasn't the desired acceleration for the turn I was making. I again thought operator error until I accelerated from the stop light a mile or so down the road. Again a slight bog and then a rocket ship throwing me back on the seat. Able to control the bike and get to my destination,which was to get fuel as the low fuel light was on, and put 2.64 gallons in the tank. The problem did not present after this addition. A quick internet search of this revealed that I am not the only one experiencing this issue as I found these complaints and a blog were the problem is being discussed. After reading these I also realized that the previous occurrence was on a state highway on a longer trip and the low fuel light came on. Went to the nearest gas station and fueled. Problem went away. To be fair took the bike to the dealer and they have said they replicated the problem with up to 1.5 gallons in the tank. Currently they are waiting on a part in order to attempt the repair of this issue. Placing my experience here as the owners manual has a section which states safety defects must be reported to the federal safety agency and harley-davidson.
From a complete stop, I accelerated slowly down my gravel driveway toward the public street. As I accelerated and leaned left slightly to follow the path of the driveway, the motorcycle stalled momentarily and then immediately accelerated rapidly. I grabbed the front brake and pressed down on the rear brake simultaneously and the bike slid and laid down. After recovering and assessing the situation, I rode cautiously on the public street to the nearest gas station and topped up the tank. After riding several miles and upon coming to a complete stop at a stop light, I attempted to accelerate at the intersection and the bike again stalled momentarily and then accelerated rapidly. The same stalling occurred multiple times at the same and multiple successive intersections. At no time did the low fuel indicator appear lit on the bike. At last failure, the bike had roughly one-half tank of fuel. At 88 miles on the odometer, my husband rode the bike to the dealer on 5/23/2015 to have it inspected. There were 95 miles on the odometer when he delivered the bike to the dealer. The service manager at the dealer implied there was simply a lack of fuel in the tank. After having the bike for several days, the service manager confirmed they were able to duplicate the problem while riding the bike. They've had the bike for nearly 4 weeks; 2 weeks longer than I had the bike. The service personnel have since indicated they won't have parts to resolve the issue until at least the third week of july, 2015; other dealers assert august. The bike was purchased on may 9th, 2015 and had been ridden twice by me before it was returned for warranty repair. Initially, the dealer service personnel asserted the repairs weren't likely to be covered under warranty. They've not yet confirmed that position. My husband's identical motorcycle has the same issue. The bike is unsafe.
From a complete stop at an intersection, I attempted to accelerate while turning right at the intersection after stop light changed. The bike seemed to stall momentarily and then recover, then stall again and recover again. This has since become a regularly observable pattern when the gas tank is partially full but no low fuel indicator light displays. Topping up the tank resolves the issue again temporarily until the tank is slightly less than half full. Problem is most pronounced when travelling uphill or leaning through a turn.
I was riding my bike home from work on 6/1/2015 and have continued to notice rough throttle response which is something ive experienced since I purchased it. The issue did seem to be a little worse than usual though when leaving the parking lot at work. I think the tripmeter was at about 85 miles or so when I left. As im riding home, the low fuel light never came on and was ridding great while in 3rd gear and up. Starting from a stop light was jumpy though but again, something ive continued to experience since bringing the bike home and not sure if it was normal or not. When close to my house, which is at the top of a hill, I was riding up the hill in first gear which I always have to do since its pretty steep. About half way up the hill the bike felt like it was going to stall which made me lean forward a bit due to losing some momentum. Then the bike surged forward which almost made me do a wheelie. I really had to work the clutch to keep the bike from getting away from me. During this time though, the low fuel light came on. The bike continued to lose power and surge until I finally made it to the top of the hill where my house is. The tripmeter then read 103.6 miles with the odometer showing 292 total miles. The bike has been to the dealership for over a week and the last update I received was that the mechanic couldn't find anything wrong with it and that the factory said to fill it up with gas and if it happens again, to bring it back for repair. I said that I'm not comfortable riding the bike until it's fixed. I also said that if the bike is low on gas, it will be easy to recreate the issue. Unfortunately, I had to put gas in it to ride it to the dealership. He said he will have the mechanic take another look.
This is my second complaint, original complaint # 10721274. After filing the complaint, I took the vehicle to the dealer to be fixed 5/25/15 (miles in 106). I was notified by the dealer that they spoke to harley-tech support and the dealer was advised to replace the fuel pump (ref#248840 rep:john). I received notification the bike was ready to be picked up on 6/4/2015 ( all issues fixed- fuel pump [lag and leap condition] and a neutral switch for the indicator to work properly), I was not able to pick the bike up until today 6/7/2015. The vehicle out mileage was 126, then I drove for a short trip maybe 2 miles stopped / parked the vehicle for 2 hrs. I then started driving again, with in a couple of minutes I felt the bike stumble after starting from a red light (1st gear) and then again in 2nd gear. I continued to drive a little further and then from another stop the vehicle constantly surged/lurch and leap condition constantly through 1st and 2nd gear and finally stalled out ,also no low fuel indicator light on. The vehicle was towed back to the dealership with a mileage of 131 miles. So, within 5 miles and probably 15 minutes of driving the vehicle, it has failed again. I understand there is an investigation in place and that harley-davidson has knowledge of this issue, problem is their recommended fix is not working
So this is not the first time this happened but I just thought it was user error and then I started paying more attention and it only happens when fuel is low. The most recent time was the worst I was on the freeway when the fiuel light turns on so I immediately got off to fuel up. And every time I would take off from a stop it work thrust and jerk me like power completely stopped and then it was rapidly added again and it was definitely not a pleasant feeling ecery time I fought the bike not to throw me or to fall over specially since one of the time it happened during a turn. I then started doing some research and I ran into this siie and for the looks of it I am not the only one experiencing this. Also like I mentioned this has happened since I purchased my bike at the beginning of april 2015
When the bike has less than 2 gallons in the tank, the bike would lag every time I started from a stop, then lurch forward, then lag & lurch. The bike has stalled several times in the middle of intersections. Luckily I'm an experienced rider and didn't crash on these incidents. The bike will literally lag, then leap (small wheelie) then repeat. Very dangerous! About 4-5 miles later my low-fuel indicator came on. After refueling the problem went away, it took less than 2 gallons to fill up even though my tank is 3.5 gallons. At 120 miles, I was going around 30 MPH in a right hand curve and the bike started to stall. Again, this is before a low-fuel indicator. I filled up with exactly 2 gallons, meaning I had 1.5 gallons in the tank. This kind of lag/leap problem will get someone killed and must be addressed. My dealer told me it's a problem with the low-fuel indicator. That is not the problem. Please recall these bikes before someone gets killed.
With roughly .9 gallons of fuel in tank, when leaving a full stop, vehicle pauses hard on acceleration. Probable cause is fuel starvation caused by fuel flowing back in the tank, away from the front-located fuel pump, starving efi system of gasoline. As fuel moves forward after a brief pause in forward momentum, the pump has access to the fuel and the bike suddenly lurches forward. This happens multiple times as the fuel in tank travels forward and aft. Extremely unsafe condition at low speeds, especially at intersections when this is most likely to occur. I have to be excessively cautious to make sure there is over a half a tank of gas to keep this from occuring. The last time it occured, the low-fuel light had not even come on yet, (light is said to come on at .8 gallon left). This is extremly unsafe.
I experienced a lag and leap issue. I was riding my bike with about 83 miles on the tank of gas and out of nowhere it would pretend to stall and then take off. Would continually do this in the lower gears. Added a new tank of gas and it went away. Got to the same mileage and happened all over again. Harley replaced my fuel pump but it was very scary and I am worried it may happen again.
If the vehicle's fuel tank level is approx. Half or lower, the vehicle may abruptly stall and surge forward. The lower the fuel level is, the more often and abruptly the stall and surge is, and can happen during normal driving conditions, especially up an incline. This happens before the low fuel indicator illuminates. This behaviour can easily cause an accident or fatality.
This vehicle will hesitate when accelerating from a full stop and then feel as if it is about to stall then surge. The pattern may repeat several times over several seconds before there is consistent full power. It happenes when there is about 85-90 miles driven on a full tank. I was almost rear-ended several times recently since the driver behind me reasonably expected that I would be able to maintain acceleration away from the stop. Furthermore, it is nearly impossible to maintain control of a turn from a stop when the bike is hesitating and surging throughout the turn. This is an extremely dangerous situation, especially since I am a relatively new rider. Hd appears to be specifically targeting new drivers with this bike, making it even more disturbing and likely to cause an accident. My husband, who is an experienced rider, drove the bike and had the exact same experience. Filling the gas tank resolved the problem. I am extremely nervous to drive this bike with the potential for this problem to return. (I believe this is similar to what is currently being investigated under the federal safety agency action number: pe15015).
On my very first tank of gas the bike died at around 120 miles on the trip odometer while accelerating away from a stop light. It was a die and lurch that I have recently read others have experienced. I was changing gears from 1st to 2nd and the bike did a wheelie just high enough for my child to slide off the seat and onto the rear fender. I checked the gas and there was plenty to slosh around and no low fuel light. Filling up the tank stopped the problem. I asked the dealer to fix the no low fuel light problem when they opened 3 days later but in that time I used another tank of fuel and the same die and lurch around 130 miles on the trip odometer. After around 4 weeks of waiting the h-d service technician tells me that he flashed the computer and the problem is fixed. I fill up the tank on the way home and reset the trip odometer. The next day (yesterday) I experience the same die and lurch around 130 miles. The low fuel light has never come on on this bike. Yes, it lights up on the self-diagnostic when I turn the key on but it has never come on for low fuel and I get the die and lurch around 120 to 130 miles every time. I believe that someone used to a smaller motorcycle would get hurt to easily with this lurch thing.
I purchased this vehicle less than a week ago, it also has less than 100 miles. The vehicle ran fine with no problems until it reached around 75-80 miles. At this point the vehicle would accelerate then decelerate and stall out after starting from a complete stop. This would happen in forward motion and also on turns. The problem occurred about 20(twenty) times leaving me (vehicle stalled out) in the middle of intersections and also in city traffic. The problem occurred in 1st, 2nd, and 3rd gear. The vehicle lunges forward then bogs down then lunges forward again, most of the time stalling out. This problem creates an unsafe driving condition for myself, a passenger, and other motorist on the road. Vehicles had to swerve out of the way to not hit me. I will be taking the vehicle in to the dealer tomorrow.
When accelerating away from a traffic light, the bike hesitated, then dumped all its power into the action, resulting in a "lag-leap" effect. It's done it 2-3 times since the initial instance.
While pulling out of a parking spot my bike stalled and suddenly surged forward,I lost my balance and dropped it in the lot. I asked my dealer about people complaining about this problem and they habven't heard of it but I looked it up and apparently alot of people have the same problem.I am just glad it wasn't in traffic and I have crash bars. My low fuel light was not on and I had a half a tank of gas so my guess is something is flawed with the fuel pump. This is a very serious and dangerous problem!!! It needs to be recalled and they shouldn't sell anymore until they check this lag and leap issue.
When the full tank gets low where the fuel light comes on. (normal for a motorcycle). You stop and when you go to start, the engine surges and stalls violently and unexpectedly. This could cause a crash. It seems the motor starves for fuel and stalls and when it stalls the fuel then feeds properly and causes a fierce acceleration, again, unexpectedly. There are reports all over the internet of this with this new model and the manufacturer has failed to acknowledge the safety concern and recall it.
This is the same issue as found in investigation pe15015. This is the first time I have experienced engine stumble (stall), commonly referred to as lag and leap. This occurred when I had a low fuel level in my tank, (tank was filled 10 miles later with 3.1 gallons into a 3.5 gallon tank). When accelerating from a stop into a right hand turn I experienced a near-stalling of my engine. I did not adjust throttle and very quickly after that stall a surge in engine RPM occurred with brisk acceleration, followed by another near-stalling and another surge. A third less noticeable episode occurred after that. I did not adjust throttle position throughout the episode. The timespan over which this took place was probably 2-3 seconds. I am familiar with the complaints which have been around this issue and so was confident that I would be able to get through the episode without losing control of the bike. Several minutes later and after another stop with very slow acceleration from it, during which the stall and surge did not occur, I decided to test whether it would happen in 2nd gear on a straight trajectory. At about 20 MPH I accelerated in 2nd gear and again 3 cycles of stall and surge or lag-and-leap did occur, with the 2nd one being most noticeable and the third being very minimal. I was happy I was able to make a left turn across two lanes of road to get into the gas station, without it occurring again. I drove another 40 miles after filling my gas tank without it happening again. I had previously filled my tank with 3.4 gallons during a ride when my motorcycle had 1000 miles on it, without this phenomenon occurring.
When I took off from a light in traffic, taking off in first gear, after I let the clutch out fully, it hesitated as if it were out of fuel. I was lunged forward from the sudden loss of power. After that, before I could reduce the throttle position, the bike lunged forward almost throwing me off the back. This cycle continued a few times like a bucking bronco. The people around must have thought I was an experienced rider, however this is not the case, I have ridden for many years. It was as if it was starving for fuel when I took off, then suddenly the fuel flow was returned. My low fuel light was not on, and my trip meter since my initial fill-up was at 90 miles. I immediately went to fill it up with fuel. Once it was full, the problem went away. However, the week my trip meter hit 90 miles again. The same thing happened as before. This is the second time I have been nearly thrown off of the bike. Each time a trip to the station to get about 2.6 gallons of fuel fills it up, and it is fine for another 90 miles. I'm not sure why there is a low fuel light, I could never ride it until that comes on. And, I would expect to be able to range more than 90 miles with 3.5 gallons of fuel. This seems to be a design problem that I feel is dangerous, especially for inexperienced riders.
Intermittent lag-and-leap/surge-and-buck issues. I felt my motorcycle quickly lose power and shortly after lunge forward quickly and unexpectedly. Each time this problem has occurred, I have had approximately 1 gallon of fuel left in my tank or slightly less.
"with roughly .9 gallons of fuel in tank, when leaving a full stop, vehicle pauses hard on acceleration. Probable cause is fuel starvation caused by fuel flowing back in the tank, away from the front-located fuel pump, starving efi system of gasoline. As fuel moves forward after a brief pause in forward momentum, the pump has access to the fuel and the bike suddenly lurches forward. This happens multiple times as the fuel in tank travels forward and aft. Extremely unsafe condition at low speeds, especially at intersections when this is most likely to occur."
Starting with a full tank of gas my wife drove her brand new xg750 for approximately 100 miles. The first issue occured when she was taking off from an intersection, the bike stalled out, in the middle of the intersection. With her being a new rider, she attributed it to her doing something wrong. At the very next intersection the issue happened again, except the bike lunged forward after the stall this time. She then promptly honked her horn to let me know there was an issue. We pulled over, I got on the xg750 to see what the deal was. As I took off, the bike stuttered but did not stall. I rode it down one block and then turned around. As I started the turn the bike stuttered again and almost stalled. The idle of the bike was very erratic, stuttering up and down. The problem seemed to be getting worse the more the bike was driven. My wife got back on the xg750 and we decided to head back to the house, as there was something wrong with her xg750. We made it about 5 more miles when her xg750 stalled out on the highway. She coasted to the shoulder and tried to start the bike 2 or 3 times until I arrived. Mind you, the "low fuel" light was not on, nor did it ever come one. The motorcycle has since been taken back to the dealer. For a bike that is marketed as a "beginner" bike, this is a malfunction that has the potential for causing fatalities, as the issue happens on curves, or under situations where the rider needs to accelerate, but cant due to the fuel system malfunctioning. I will be exploring the option of returning the bike to the dealer, as I don't want my wife riding a "beginner" motorcycle that has the potential to cause her to crash or worse, kill her.
When the low fuel light comes on there is .9 gallon gas left in tank. The low fuel light comes on when approximately 2.8 gallons of gas has been used. When the low fuel light comes on and the throttle is applied the engine stalls until the throttle is released. When the throttle is released the engine goes back to idle. When the throttle is reapplied the engine stalls until the throttle is released. If the throttle is gently applied the engine may pickup speed. This has happened on dozens of occasions in various scenarios: a.) the worst situations have been when passing another vehicle and the low fuel light comes on and the engine stalls in front of the vehicle being passed. B.) the second worst situation is when the low fuel light comes on and the engine stalls when crossing an intersection - especially a four-way stop. C.) the third worst situation is when the low fuel light light comes on when turning a corner. This causes the vehicle loose forward momentum and to fall over in the direction of the turn - or it surges and causes the vehicle to "high-side" over on the opposite side of the turn. I mentioned this to the hd dealer during the first dealer check up (1000 mile). They claimed they could not duplicate the problem. If you review your records I believe you will find several other same type complaints for this vehicle. In some cases the dealers have replaced fuel pump, sock... In other cases the dealer and manufacture denies this problem exist. There is a hd xg750/500 forum that has dozens of similar complaints.
Vehicle was lurching and bucking while driving from apparent fuel starvation. The low fuel light had just come on and there should have been more than enough fuel to continue on for a several miles.
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