i have 09 dl 650
In the past few months, I come across a phenomenon that I can't fix.
The whole story is like that.
While traveling at an average speed of 70 mph, I feel a loss of power in the throttle and torque of the motorcycle.
This is reflected in the fact that the last third of the throttle does not add power but only noise, but the motorcycle does not add speed.
When I release the gas handle a bit in the half of the throttle, the motorcycle returns to being strong.
I have this phenomenon for several months and after checking with several mechanics there are 2 indications.
What is causing this phenomenon is the change in air / fuel ratio.
What is causing this change is a fuel pump that does not emit enough fuel.
After my mechanic recommended replacing a pump, I bought an excellent Quantum pump, with good recommendations. After assembling the pump inside the pump housing and assembling the fuel tank, the motorcycle feels excellent and strong,
But after a few miles of administrative travel the problem recurs, and again the event becomes weak so that its maximum speed ends at 80 miles per hour.
After disassembly and the pump assembly the fault is resolved, it seems no problem, but again after a few miles there is again power loss.
After replacing lots of lots of money, a new engine imported from the bar, an air box, a fuel pump including a filter, and many other parts (the motorcycle went through a project to come back after a long neglect), I try to figure out what could make this phenomenon go away.
Each time I dismantle the fuel tank and return it, do a fuel quantity check for the pump, get 350 CC, after I return home from 100km ride do the test again and get 280 CC.
Is there a possibility that there is an electronic failure that leads to the pump not working properly after extended work?
What do you think can cause this phenomenon, I would love to hear from your experience, what can be done?
Thank you so much to everyone for every bit of thread that will help me overcome this phenomenon, after doing disassemblies and assemblies and injecting money into vain it is such a frustrating thing to deal with.