| Author | Message | ||
     Erlj |
Let me give a quick run down of my 1125R. APH exhaust, EBR Race ECM for Drummer (close as I could get), denoid, K&N air filter, about 5,500 miles, always burn premium gas no ethanol if I can get it, and other goodies that don't matter to my problems. Now to my problem, so last week I was out riding and when I would idled the bike for 10-15 seconds or more and would go to "wick" the throttle or put it in gear it would die. This was getting on my nerves because the longer I rode it the worse it got, not good riding with a bunch of Harley guys and making my way down the Daytona strip. My first solution was to stay on the gas, constantly wicking the throttle, after we finally got off the strip and the bike cooled down I did a TPS reset and that helped but I still experience the bike choking on occasion. Problem number two long cranking on warm/hot starts, and from what I can remember the stock ECM would make the old girl bark instantly on start up, hot warm or cold, now it wakes up kind of lazy sounding. I am thinking it may be time for new plugs, can't hurt right? Thoughts theories would be greatly appreciated. | ||
| Two_seasons |
Doesn't sound like plugs, sounds like too much fuel. Can you go back to stock exhaust and stock ECM, then go from there? By the way, TPS isn't just the reset and ride, you'll need to allow the ECM to do a "re-learn curve". That will require about 10 minutes of idle, followed by closed loop riding with varying inputs from the throttle. | ||
| Zac4mac |
EBR ECM doesn't learn, it stays at 100/100 AFV. Plugs should be good at 5500 miles, I replace mine at 12k when I do the valve check. You can get at the rear plug by taking the seat off. See what it looks like. My vote is sand in an injector, running lean. Have fun in Fla. Z | ||
| Avalaugh |
What year bike ? I keep saying it to other members with similar problems, injectors!!!!! Obviously it's very hard to diagnose by a simple description. Pop in your stock ECM, go for a ride, log AFV's before and after. | ||
| Erlj |
Sorry I didn't mention above the bike is an 09. I am away from my bike all week long and I am on call this weekend as well so it will be two weeks before I am able to test the stock ecm and collect any sort of data. | ||
| Nuts4mc |
it's a 2009 - charging system? battery? grounds? remember when you crank the starter the available electricity to fire the plugs and run the ECM may be lower(it's all going to the starter)...if the battery isn't in good enough shape or it's not getting charged...no volts...not enough power to run fuel pumps/injectors/ECM and..... spark plugs...have it checkd - maybe you just need a new battery....good luck | ||
| Erlj |
I was monitoring the battery voltage when I would get to an intersection (when the bike would be most likely to choke) and it would be anywhere from 11.9 to 14.2 volts indicated on the on board display. The stator has 2000 miles on it now and unfortunately it still is an 09 charging system. | ||
| Two_seasons |
Sorry about my error re: EBR ECM "learn mode". Knew better. | ||
| Brumbear |
Cali can? | ||
| Xtreme6669 |
I was thinking cali can too... | ||
| Erlj |
No cali can installed and the breather that is located off of the left passenger peg is not obstructed, I know this because when hot and a full tank of fuel is in the bike it will start to drip out of the vent hose. I am assuming that you are thinking that if I had a cali can that it is plugged and is not allowing venting in the tank and thus starving the bike for fuel with the low pressure created in the the tank? | ||
| Two_seasons |
Any chance that the breather hose between the throttle bodies is hanging something up? | ||
| Erlj |
So this afternoon I was riding to see a friend and I was going down the freeway and at 80 mph the bike just quits, skidding the tire a couple of times trying to turn the motor over but no dice. I pulled the clutch in and toggled till I was able to see the battery voltage and seen it was at 13.8 so I didn't have the curse of the stator again, on my way to the side of the road I tried multiple tries of bump starting and using the starter to fire the bike but no go. Once I was on the side of the freeway I tried to restart the bike and little to no luck, as soon as I would try to advance the throttle the bike would quit, with what I have been experiencing the first thing that came to mind was fuel starvation. I was 8 miles from my destination so I gave my friend a call and he picked up me and the "R". Once I got to his shop I tried to fire the bike and the instrument cluster read low fuel pressure, so my suspicions and the bike both pointed to the fuel pump. I just got home and ordered a fuel pump from American Sport Bike and I hope to get it in this weekend and have my girl back to new again. | ||
| Zac4mac |
Sorry on the mis-call, so much for interweb diagnoses. Understand, I have a spare pump on the shelf, should've gone there... Summer's almost here. Z | ||
| Avalaugh |
Has your mechanic pulled the fuel hose off the rear injector and turned the key to see if fuel comes out(with the line in a bottle to catch the fuel)? FYI my EBR ECM also had "fuel pump system error" stored but no fault light showing on the cluster. I've just had my injectors cleaned, very similar symptoms. I've also fitted an in-line filter now to stop this from happening. If your fuel pump is the cause, I'd still recommend doing this as the stock filter on the pump in not a particulary fine filter, also wouldn't hurt to have injectors ultra sonically cleaned. | ||
| Firemanjim |
Just had an 1125 here with a bad fuel pump. He had erratic running at times because fuel pressure was all over the place,made odd noises at key on as well. Be sure you have really big/strong snap ring pliers as fuel pump is held in with biggest one ever. Manual calls for puller but a put a bolt in the supplied hole and used lever to get it out. Lube o-rings well for install. You can see fuel pressure in diagnostic mode. Calls for 517 at key on and 380-415 at idle and 4000RPM. |
