KLX250(2010, EFI model) Problems with hot startings
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Junior Member
Joined: Jan 2019
Posts: 18
1st Gear Member
KLX250(2010, EFI model) Problems with hot startings
Hello guys, I'm losing my mind with my KLX250. The previous owner was clearly to harsh on her, and I'm paying all the years of bad handling.
First of all, she is from 2010, EFI model, doesn't have O2 sensor (has two resistors instead of a standard eliminator kit) and doesn't have side kick sensor (the one who let's the bike to run pass 7500rpm).
Because of a reason I still don't know, the piston rings got stuck on the piston grooves and the bike lost compression because of it. Some say this happens when the bike gets too hot for a long period of time, but I'm 100% sure it wasn't in the 6 months I had the bike, so I don't know...
After that I changed the piston rings (piston was good, so I didn't changed it).
After the repair, she started to have problems when hot starting, usually this is because of valve clearances but mechanic said he checked the valves and they were ok when he assembled the engine.
This problem doesn't happen always, it seems to me that is more common when tank is almost empty (But can be coincidence).
When the bike isn't going to start, the FI light flashes when I push start button (ONLY!), if I wait 5 mins, the bike starts normally (and the FI light doesn't flash).
I don't know what can I do more, can it be valves? Can it be something related to injection? Can it be some electrical shenanigans?
Sorry for my "Englando", I'm not a native speaker.
Hope you can help me!
First of all, she is from 2010, EFI model, doesn't have O2 sensor (has two resistors instead of a standard eliminator kit) and doesn't have side kick sensor (the one who let's the bike to run pass 7500rpm).
Because of a reason I still don't know, the piston rings got stuck on the piston grooves and the bike lost compression because of it. Some say this happens when the bike gets too hot for a long period of time, but I'm 100% sure it wasn't in the 6 months I had the bike, so I don't know...
After that I changed the piston rings (piston was good, so I didn't changed it).
After the repair, she started to have problems when hot starting, usually this is because of valve clearances but mechanic said he checked the valves and they were ok when he assembled the engine.
This problem doesn't happen always, it seems to me that is more common when tank is almost empty (But can be coincidence).
When the bike isn't going to start, the FI light flashes when I push start button (ONLY!), if I wait 5 mins, the bike starts normally (and the FI light doesn't flash).
I don't know what can I do more, can it be valves? Can it be something related to injection? Can it be some electrical shenanigans?
Sorry for my "Englando", I'm not a native speaker.
Hope you can help me!
Thread Starter
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Junior Member
Joined: Jan 2019
Posts: 18
1st Gear Member
Right now, the bike doesn't start at all. When I turn ignition key, the fuel pump makes a strange noise (didn't hapened before) and when I press the start button the engine turns and FI light flashes (ONLY when I press the start button).
Today I was trying to fix this and moved the fuel tank. Before moving the fuel tank the bike didn't started, but after that she started and was woriking normaly. When I shuted it down the problem came back again.
I checked that when the bike doesn't start there is no spark nor fuel going into the cylinder.
I think I have the same problem as this guy.
https://www.kawasakiforums.com/forum...no-pump-43531/
I made a video about what happens.
Today I was trying to fix this and moved the fuel tank. Before moving the fuel tank the bike didn't started, but after that she started and was woriking normaly. When I shuted it down the problem came back again.
I checked that when the bike doesn't start there is no spark nor fuel going into the cylinder.
I think I have the same problem as this guy.
https://www.kawasakiforums.com/forum...no-pump-43531/
I made a video about what happens.
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