EVO All Evo Model Discussion

99 fxr here

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Old Nov 22, 2011 | 09:37 AM
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Default 99 fxr here

What company makes the stroked conversion or just a bigger inch conversion for the EVO engine on my bike?

How much does it cost?
Is there a better kit and brand than others?
 
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Old Nov 22, 2011 | 10:04 AM
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Let's start again! Are you saying your bike has a conversion? If so what do you know about it? There are plenty of after-market engines available.
 
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Old Nov 22, 2011 | 12:52 PM
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S&S would be the way to go if you ask me, they been around a long time.
 
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Old Nov 22, 2011 | 06:14 PM
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What leads you to believe you have a stroked or modified motor? Seller give you a line of BS? Just askin. Maybe I misread your post. The only real way to know is to tear it apart and take measurements.
 

Last edited by 1skrewsloose; Nov 22, 2011 at 06:17 PM.
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Old Nov 22, 2011 | 09:54 PM
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The way I read it you are looking to stroke your motor.
In my humble opinion if you want a bigger motor buy one that was built that way and it will last you a lot longer.

 
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Old Nov 23, 2011 | 12:56 AM
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True but stroked Evo's totally rock!!
 
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Old Nov 23, 2011 | 08:54 AM
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Originally Posted by Spanners39
True but stroked Evo's totally rock!!

What is the difference between a stroked motor and a purpose built motor of equivalent size?
 
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Old Nov 23, 2011 | 02:33 PM
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Originally Posted by texashillcountry
What is the difference between a stroked motor and a purpose built motor of equivalent size?
My 89" stroker is the original motor stripped and rebuilt with different flywheels, that give the longer stroke, plus a stack of other tuning mods, such as Sportster high comp pistons, ported heads, new cam.

A purpose built motor will most likely have a larger bore, not a longer stroke, to get the extra inches. There is no certainty it will be as highly tuned as a custom-built stroker.
 
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Old Nov 23, 2011 | 02:39 PM
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Long stroke equals high torque and a very long-legged motor...downside is high piston speed and oil consumption.....but I would seriously consider one if and when my 98 needs a full rebuild.
 
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Old Nov 23, 2011 | 05:02 PM
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Spanner, what would you expect in terms of oil consumption? I'm considering the Jims Stroker kit for my '93 FXRS. Would you expect the same oil consumption from a stroked motor like the Ultimas or S&S?
 
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