Greetings from Serbia! :) Questions regarding KLX 250...
Senior Member
1st Gear Member
Joined: Sep 2008
Posts: 110
From: KLX = Thailand; Me = Desert
HA,
I'll try and answer your first series of questions:
1. will the EFI limit your ability to mod for more pwr - yes. The EFI model will require a module to modify the mapping of the ECU. Power Commander is not making one but Two Brothers Racing has released a Juicy Box for it. Mine just arrived last week so when I get to go home I will be able to give it a try. In Thailand there was a ECU recall that some people reported good results from but others noticed no change. Their are a couple of wiring tricks to override the rev limiter but mine did just by removing the airbox lid.
2. I have had mine KLX250 up to 115kph and have heard reports of slightly higher. I weigh ~95kilos so your milage may vary. I have not done any speed testing.
My bike's current configuration is listed in my signature. Just remember this bike is not a KX250F and will not perform like one. It does what it is designed to do fairly well but it is not a top of the line machine for going crazy on.
Eric
I'll try and answer your first series of questions:
1. will the EFI limit your ability to mod for more pwr - yes. The EFI model will require a module to modify the mapping of the ECU. Power Commander is not making one but Two Brothers Racing has released a Juicy Box for it. Mine just arrived last week so when I get to go home I will be able to give it a try. In Thailand there was a ECU recall that some people reported good results from but others noticed no change. Their are a couple of wiring tricks to override the rev limiter but mine did just by removing the airbox lid.
2. I have had mine KLX250 up to 115kph and have heard reports of slightly higher. I weigh ~95kilos so your milage may vary. I have not done any speed testing.
My bike's current configuration is listed in my signature. Just remember this bike is not a KX250F and will not perform like one. It does what it is designed to do fairly well but it is not a top of the line machine for going crazy on.
Eric
Last edited by pseacraft; Sep 24, 2009 at 02:56 PM.
Thread Starter
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Junior Member
Joined: Sep 2009
Posts: 6
From: Serbia, Europe
HA,
I'll try and answer your first series of questions:
1. will the EFI limit your ability to mod for more pwr - yes. The EFI model will require a module to modify the mapping of the ECU. Power Commander is not making one but Two Brothers Racing has released a Juicy Box for it. Mine just arrived last week so when I get to go home I will be able to give it a try. In Thailand there was a ECU recall that some people reported good results from but others noticed no change. Their are a couple of wiring tricks to override the rev limiter but mine did just by removing the airbox lid.
2. I have had mine KLX250 up to 115kph and have heard reports of slightly higher. I weigh ~95kilos so your milage may vary. I have not done any speed testing.
My bike's current configuration is listed in my signature. Just remember this bike is not a KX250F and will not perform like one. It does what it is designed to do fairly well but it is not a top of the line machine for going crazy on.
Eric
I'll try and answer your first series of questions:
1. will the EFI limit your ability to mod for more pwr - yes. The EFI model will require a module to modify the mapping of the ECU. Power Commander is not making one but Two Brothers Racing has released a Juicy Box for it. Mine just arrived last week so when I get to go home I will be able to give it a try. In Thailand there was a ECU recall that some people reported good results from but others noticed no change. Their are a couple of wiring tricks to override the rev limiter but mine did just by removing the airbox lid.
2. I have had mine KLX250 up to 115kph and have heard reports of slightly higher. I weigh ~95kilos so your milage may vary. I have not done any speed testing.
My bike's current configuration is listed in my signature. Just remember this bike is not a KX250F and will not perform like one. It does what it is designed to do fairly well but it is not a top of the line machine for going crazy on.
Eric
Well, I will not do any mods until my 2 yrs warranty expires, and until then, there will probably be more options for power increase on EFI version.
Again, thanks!
Best,
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