kdx200 head fit kdx220

Questions and Answers about the best carb and Head mods available for the KDX.

kdx200 head fit kdx220

Postby Grobo » 07:44 am Jan 09 2018

going to try and get a head done at rb designs, found a 200 head in the usa are these the same I've checked the part numbers and one end in 09 the other 10
he also wont post to England so buying in the usa and posting straight to him solves 1/2 the problem
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Re: kdx200 head fit kdx220

Postby Burtono » 09:27 am Jan 09 2018

The 200 and 220 jugs are interchangeable I beleive. I have read about some people shipping via DHL to get RB's work out of the country.
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kdx200 head fit kdx220

Postby SS109 » 01:55 pm Jan 09 2018

The 200 and 220 heads are different and not interchangeable.
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kdx200 head fit kdx220

Postby ohgood » 11:06 am Jan 10 2018

SS109 wrote:The 200 and 220 heads are different and not interchangeable.


where are they different?

I looked at them yesterday and they look the same.... I'm running a 220 head on a 200 cylinder right now...
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Re: kdx200 head fit kdx220

Postby doctord23 » 11:14 am Jan 10 2018

The combustion chamber of the 220 head is larger than the 200 head. It goes along with the difference in cylinder diameter 69mm versus 66mm. The 220 head will lower the compression on a 200.
I once bought a head off of ebay that was advertised as a 220 head. I sent it to Ron Black for his magic thinking I would swap on my 220 when he was done. When I sent it to him, he discovered that it was a 200 head and told me it wouldn't work right on a 200 even with his reshaping of the combustion chamber. I sent him the 220 head off the bike and started over.
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kdx200 head fit kdx220

Postby Timtee » 11:24 am Jan 10 2018

ohgood wrote:
SS109 wrote: I'm running a 220 head on a 200 cylinder right now...


That cant be good.
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kdx200 head fit kdx220

Postby SS109 » 06:25 pm Jan 10 2018

Timtee wrote:
ohgood wrote:
SS109 wrote: I'm running a 220 head on a 200 cylinder right now...


That cant be good.

Hey now, I have a 220 head on my 220! :mrgreen:
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kdx200 head fit kdx220

Postby ohgood » 12:59 pm Jan 17 2018

Timtee wrote:
ohgood wrote:
SS109 wrote: I'm running a 220 head on a 200 cylinder right now...


That cant be good.



it runs pretty ok

https://www.youtube.com/v/X4kF0TrEyV4&t=114s
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Re: kdx200 head fit kdx220

Postby Jason » 02:04 pm Jan 17 2018

This www.youtube.com page can’t be found
No webpage was found for the web address: https://www.youtube.com/v/X4kF0TrEyV4&t=114s
HTTP ERROR 404
Thank you, Julien D for all your hard work!

PLEASE! Do not "dip" PWK Keihin carbs in Berryman's to clean them! It will damage the internal o-ring (jet block gasket).
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Re: kdx200 head fit kdx220

Postby ohgood » 03:57 pm Feb 08 2018

Jason wrote:This http://www.youtube.com page can’t be found
No webpage was found for the web address: https://www.youtube.com/v/X4kF0TrEyV4&t=114s
HTTP ERROR 404



Well crap... Try this one?

https://youtu.be/fewCl3nStyY
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Re: kdx200 head fit kdx220

Postby Jason » 04:43 pm Feb 08 2018

There you go. :supz:
Thank you, Julien D for all your hard work!

PLEASE! Do not "dip" PWK Keihin carbs in Berryman's to clean them! It will damage the internal o-ring (jet block gasket).
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