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Post by trevor91 on Oct 25, 2012 8:14:52 GMT -5
I'm new here, i have a Eton beamer 2 and i want to maximize its performance and get the best racing capabilities. Ive heard so many different things about the cdi and how to unrestrict them or to buy the unrestricted cdi which is usually back logged. if anyone has any tips about how to unrestrict it or where to get a already unrestricted cdi cheap please respond i would love to hear your answers . I'm usually stuck around the 35-40 mph range and i would love to get it to 50 mph with the right parts over next 6 months if you have any tips about that as well please respond
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Post by 808twosmoker on Dec 17, 2012 16:07:56 GMT -5
In all honesty, the aftermarket CDI boxes usually slow you down. while the do unrestrict your rpms they usually retard your timing and the "extra" spark they give isnt anything. I have installed 3 different ones now on my bike and the best so far was an aftermarket OEM replacement.
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Post by 90GTVert on Dec 17, 2012 16:47:31 GMT -5
If your CDI is really restricted, some Etons definitely were, it will help to get a new one. ScrappyDog is the only place I recall seeing them. Some could be derestricted by cutting a wire on the CDI, which I believe is a green wire that makes a small loop.
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Post by shakerdriver on Dec 18, 2012 19:57:16 GMT -5
Its a green wire usually on the back of the cdi hidden by rubber mounting collar. I've come across 3 of them with that restrictor wire.
Sent from my Nexus S 4G using proboards
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Post by teddy554 on Dec 18, 2012 21:53:47 GMT -5
is the cdi under the seat or in front behind the front plastic
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Post by skuttadawg on Dec 19, 2012 1:57:39 GMT -5
Here is a CDI for your scooter . Its one shaped like the CDI on GY6s as most use a pin CDIhttp://www.scrappydogscooters.com/50cc_2stroke_Performance.html
My CDI was under the seat bucket . The stock one had a screw hole to mount it but the racing CDI did not . I used a ziptie to hold it in place
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bare
Scoot Member
Posts: 55
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Post by bare on Dec 22, 2012 14:30:14 GMT -5
2 stroke engines have ignition advance/retard requirements opposite to a 4 stroke.
2 t needs Less advance with rising rpms or it will die dramatically.
Typical setup is >20d advance at 1200 rising and peaking at 28/36 d at 4500 then dropping of to 0 at 12,000.
With variations specific to use and design. But one gets the picture?
Typ oem units are simple flat line setups.. primitive mediocre power gizmos, there only to substitute for maintenance requiring Points setups.
A well setup Ignition ..curve.. will generate Mo' Power than a Genuinely Good Expansion chamber (Of which I still doubt are even available for a Scoot)
New to these Scoots.. But I've yet to see a programmable CDI for such.
Perhaps one could try to adapt a Moto One??
Imagine : a programable ignition curve, switchable while riding by thumb control, programmable Rev limiters. direct read tachometer, 3D mapping, Data logging.
A whole new world of ways to explode one's engine :-)
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