YFZ Central banner

1 - 4 of 4 Posts

·
Registered
Joined
·
2 Posts
Discussion Starter #1
Just picked up two 2013 yfz450r that have been sitting for about 5 years fuel pumps are out I picked up a quantum pump ran great for about a month then started sputtering an back firing not sure what to do any help would be greatly appreciated
 

·
Registered
Joined
·
730 Posts
Check the fuel pump electrical connections in the tank or the injector would be my best guess.
 

·
Registered
Joined
·
7 Posts
My 2012 yfz450r did this a couple of weeks ago. It would sputter/pop/backfire while revving it. Turned out to be the stator and pickup coil. Fixed it and now it runs great. Hope this helps!
 
1 - 4 of 4 Posts
Top