honda cdi unit

[ruck bodgers]

hi i managed to get a 2010 cbf 125 engine for 100 pound im putting it into a project bike i dont have the cdi unit yet or the wireing for it the engine is efi .is there anyway i can get around useing the cdi as im trying to spend as little as possible.thanks
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i do not think therefore i am . give me a hammer

[N cee thirty]

lmao no.

maybe you could get a cheap one from a breakers yard,but i doubt it as the bikes soo new.

i also saw this on ebay aswell
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'00 Aprilia RS50 > '92 Honda CG > '99 Yamaha Fazer > '91 Yamaha RXS > '79 Suzuki X5 > 01' Honda Cg > 07' Honda Cg > 82' Kawasaki Z200 > suzuki gsxr 400 gk73a > honda vfr 400 NC30 Mod 2 Passed 09/06/2011

Jewlio Iglesias wrote: I actually did vote BNP once

[Teflon-Mike]

You could.... depending on how ingeniouse you wanted to be.
But I would have thought that as its EFi the black box for the squiters would control the ignition too? Probably use the ignition triggor sensor for the injection timing as well.
On the cheap, most cost effective way to make it run, would probably be to rip the squirters off it & fit old fasioned carbs and either cdi or points ignition.
Alternatively, but possibly more expensive depending on which bits of the efi & ignition electronics you need, would be to go for an aftermarket engine management system like a Mega-Squirt.
Last time I priced them up a self build mega-squirt ECU and interface lead (plugs into PC so you can map it your self, using downloadable base files for different engines) was about £200.
And whan I say self build, whay you got was a printed circuit board and a few bags of components for you to solder it to! Not even sure if it had an enclosure to put it in! Then you had to add your own sensors and sensor rings, injectors and flow meter etc, though most stuff took or provided signals from generic Ford or Boshe components, & mainly intended for car engines.
Not sure if they do a special one for bikes or what components would be needed for a bike system. But probably effof expensive & probably really only worth it if you are building something a bit more exotic and more highly tuned than a 15bhp single!
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[alains]

it's 2 types of CDI : DC-CDI and AC-CDI
DC-CDI are feeded by the battery or direct courant (12V)
AC-CDI are feeded by the alternator under AC courant (200V) you cant manage easily between these two
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[ruck bodgers]

thanks for the input lads . i grabbed a cdi unit from a breaker cost me a tenner. although im still tempted to play about with this engine like mike said . im going to have just leave it as it is this time the bikes being built for my girlfriend to learn to ride on. i think the next one i build ill go for an old kicker and give efi engines a miss there great n all but just seem to lack something fundamental to me
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i do not think therefore i am . give me a hammer

[N cee thirty]

you could probably get a old points cg engine or something and try it with that

port the head, alsorts if you cba
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'00 Aprilia RS50 > '92 Honda CG > '99 Yamaha Fazer > '91 Yamaha RXS > '79 Suzuki X5 > 01' Honda Cg > 07' Honda Cg > 82' Kawasaki Z200 > suzuki gsxr 400 gk73a > honda vfr 400 NC30 Mod 2 Passed 09/06/2011

Jewlio Iglesias wrote: I actually did vote BNP once