KDX220R with Lectron

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KDX220R with Lectron

Postby ccain85 » 08:11 am Sep 12 2018

I just added the Lectron carb on my KdX220. It pulls nicely from the bottom all the way to 8-9k and then falls flat on its face. Is this normal for the 220 or do I need to do some
Adjustments?
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Re: KDX220R with Lectron

Postby jjavaman » 11:38 am Sep 12 2018

I’m pretty sure 220’s don’t rev that high. I got the RB carb and head mod on my 220 and it goes flat on top as well, shift baby shift!
97-220 with a PC pipe. 2015- RB carb and head mod
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Re: KDX220R with Lectron

Postby ccain85 » 01:09 pm Sep 12 2018

Figured at much but just wanted to make sure. The RB head mod is next.
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Re: KDX220R with Lectron

Postby Jason » 02:06 pm Sep 12 2018

Just out of curiosity, how many RPM's were you thinking it should have revved to?
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: KDX220R with Lectron

Postby John_S » 02:55 pm Sep 12 2018

Did you tune the screw on it that relates to top end power? I would definitely turn it 1/2 turn both ways to see what happens. RB mod is nice and I don't regret it at all on my 220 but don't expect it to start ripping like a different bike. Its one of those "every little bit helps" kind of mods. It's better to short shift. I would describe my 220 as fun, not fast. On the trail I love it and its more than I can use. On the street or a wide open field it feels relatively slow, compared to a 250 2 stroke. Mine has the woods pipe.
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KDX220R with Lectron

Postby Slick_Nick » 04:25 pm Sep 12 2018

Retard the timing and you can get another few hundred RPM out of it before it falls flat.
'00 KDX 220R
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KDX220R with Lectron

Postby cornishwrecker220 » 05:28 am Sep 13 2018

Slick_Nick wrote:Retard the timing and you can get another few hundred RPM out of it before it falls flat.

Like Nick said ...... I did mine & it certainly helps the 220 up top without sacrificing any bottom end ! :supz:
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Re: KDX220R with Lectron

Postby Red October » 11:41 am Sep 13 2018

I'm fighting a lectron on my new to me KDX200 as well.
Up to 1/2 throttle pulls fine. Past 1/2 throttle flat like a pancake. All noise no power.
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