Who has a Gorr KX265?

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#1
I have searched but have not found a answer. I had eric do my kx awhile ago(265 kit w/mo better). I have not had the time to ride, nor get race gas.

I decided to get some gas and try to ride the bike a few times. Using 110 purple w/ 32:1 benol the carb doesn't seem right. It takes about 10 kicks to start :yikes: and surges/bogs at wot really bad. Anyone know what my carb settings shoud be? I have a 160 main in now. Just trying to get some other opinions before calling Eric. thanks all!!!

I also wanted to add that it has a new vforce3, new air filter, and the motor has about 3 hours on it since rebuild. stock pipe/silencer.
 
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#2
did you go up a couple of jet sizes if not it will lean it out use 93 pump gas 110 can hurt the internal parts of the carb 32:1 and 93. i would pull out the plug and if it is white it is lean should be a dark color.
 
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#3
o and take it easy for about 5 or 6 hours dont open it all the way up you need to break it in good or it will lock it up.
 
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#4
95xr250 said:
did you go up a couple of jet sizes if not it will lean it out use 93 pump gas 110 can hurt the internal parts of the carb 32:1 and 93. i would pull out the plug and if it is white it is lean should be a dark color.
went up 2 sizes on the main, did not mess with any other of the adjustments. Eric said it was ok to run 100 and my local gas station was not open to cut my 110. I have also read that 93 is not enough octane and will cause the high comp piston to spark knock/melt. It was around 95 degrees here yesterday. I broke in the engine per Eric's website instructions. thanks for the input.
 

_JOE_

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#5
95xr250 said:
o and take it easy for about 5 or 6 hours dont open it all the way up you need to break it in good or it will lock it up.
Are you on drugs?
 

_JOE_

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#6
00kx, call eric, he did my rm 265 and was great. He'll point you in the right direction.
 

Rich Rohrich

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#7
95xr250 said:
did you go up a couple of jet sizes if not it will lean it out use 93 pump gas 110 can hurt the internal parts of the carb 32:1 and 93. i would pull out the plug and if it is white it is lean should be a dark color.

95xr250 said:
o and take it easy for about 5 or 6 hours dont open it all the way up you need to break it in good or it will lock it up.
STOP POSTING THIS IDIOTIC NONSENSE.

I've had my fill of people complaining about you constantly posting moronic drivel every time you touch the keyboard. From now on these useless posts from will just be deleted. If it still doesn't stop then youe account will be deleted.
 

Rich Rohrich

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#8
[QUOTE='00KX250er]went up 2 sizes on the main, did not mess with any other of the adjustments. Eric said it was ok to run 100 and my local gas station was not open to cut my 110.[/QUOTE]

Most people who go to the 265 setup end up having to LEAN out the jetting due to the improved scavenging from the porting changes.

Add to that the fact that in most cases going from straight pump fuel to a non-oxygenated race fuel will tend to richen up the jetting across the board, sometimes by as much as a couple of jet sizes.

You could easily be 4 sizes too rich on the main.

A WOT plug chop on a clean plug would be a good place to start to get an idea where you currently stand.
 
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#9
Went back down to a 158 and put in a new plug. Man this bike rips, sure hate to sell it. If anyone is thinking of getting some more power out of their kx, give Eric a shout. My 265 is so smooth in the powerband and just pulls so hard, wow. Thanks to all that have helped.

Rich, you and Eric have been alot of help in the past thanks again!!!
 
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#10
Im thinking of turning my 03 into a 265 but erics webite does not list anything about 250 big bores.
 

Rich Rohrich

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#11
kdxtodd said:
Im thinking of turning my 03 into a 265 but erics webite does not list anything about 250 big bores.

You have to call him or e-mail. :cool:
 
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#13
I probably should start a new thread but what the hell,
Whats the difference between a big bore from eric or one from Max power? Im guessing eric will do it for close to half the price but whats with the apricote 2000 coating that max power throws around? I would go with eric just from being a long time DRNer and hearing a lot of good things from his customers.

Whats the skinny on erics big bores?
 
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#14
Eric is the real deal

:cool: I had him do a 2000 cr 250 to cr265 he knows what he is doing.Better customer service than max power. And his work is great. Just ask anybody that has had his bigbore/porting his bikes haul a**.
 

_JOE_

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#15
I've heard that some companies dont change the porting as required for the big bore. Eric also uses U.S. Chrome for the plating, they do an outstanding job as well. I highly recommend them. Another thing to watch is the piston availability. Eric uses a standard production Wiseco piston you can get from any Wiseco dealer.