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  #1  
Old 11-12-2005, 04:23 PM
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Default big bore kits
what is the biggest big bore kit you can put into a 400ex
 
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Old 11-12-2005, 09:18 PM
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I just remembered the biggest stroker ive seen for a ex is a 500 but I forgot who sells it.For just bore I am pretty sure 440 is the biggest.You can get them alot of different places.

Ron
 
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  #3  
Old 11-13-2005, 10:18 AM
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Default big bore kits
505 is the biggest that I have seen [img]i/expressions/face-icon-small-wink.gif[/img]
 
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Old 11-13-2005, 12:36 PM
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Default big bore kits
do you no who sellls the 505 kit
 
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  #5  
Old 11-16-2005, 03:13 AM
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Default big bore kits
I know TC Racing builds a 505 kit for the EX. Unfortunatly I don't remember the website and can't seem to find it. Maybe someone else knows.
 
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Old 11-19-2005, 08:15 PM
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Default big bore kits
four stroke tech has a 500 bb/stroker, not sure who makes the 505's
 
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  #7  
Old 11-20-2005, 11:44 PM
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Default big bore kits
you can get the 440 kit from rocky mountain for around $ 250

i'm looking at a 434 kit for my kfx right now. maybe who knows
 
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Old 11-21-2005, 08:41 PM
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Default big bore kits
When you put big bore kits in 4 strokes does the engine become really fussy?
The only experience i have with big bores is on snowmobiles and those are two strokes.
thanks
 
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  #9  
Old 11-21-2005, 11:53 PM
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sparks makes a 465
 
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Old 11-23-2005, 12:03 AM
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Default big bore kits
what size is ur main jet in ur 450
 
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