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Aftermarket CDI Ignition Box for Yamaha YZ250F

 
motocross250f motocross250f
New User | Posts: 23 | Joined: 05/08
Posted: 07/26/08
02:23 PM

Does anyone know if there is an aftermarket performance CDI Ignition for 2003-2005 YZ 250F's? Let me know if there is. Thanks  
250-thumper

 
MTDman11 MTDman11
User | Posts: 183 | Joined: 06/08
Posted: 07/28/08
06:59 AM

i know electrex world and moose racing make em for the rm125. and biggun makes em for the 300ex atv.  
1998 rm 125
Twin-air air filter
ricky stator

2008 sponsors list
Panolin oils
twin-air
Oneal
Yoshimura

 
crfracr250 crfracr250
New User | Posts: 41 | Joined: 08/08
Posted: 08/02/08
11:10 PM

look at the big gun im going to be getting that one nothing but good reviews  
BIKE-2005 CRF250r
RIMS-Black excel with talon hubs
EXHAUST-Fmf powerbomb with titanium 4.1
"lord forgive me for i have sinned, i hit a 4th gear jump, 5th gear pinned"
REFS-Colbs213

 
MTDman11 MTDman11
User | Posts: 183 | Joined: 06/08
Posted: 08/03/08
11:43 AM

yah i have the biggun revbox on my 05 trx300ex atv. pretty sweet mod. i have had nothing wrong with it since christmas.  
1998 rm 125
Twin-air air filter
ricky stator

2008 sponsors list
Panolin oils
twin-air
Oneal
Yoshimura

 
pntbllm5 pntbllm5
New User | Posts: 13 | Joined: 08/08
Posted: 08/14/08
10:39 AM

what does a rev box do?  
http://sponsorhouse.loopd.com/members/SteveWollermann/Default.aspx
#105

 
elko6 elko6
Addict | Posts: 4389 | Joined: 11/07
Posted: 08/14/08
10:46 AM

pro circuit has a very expensive ignition but i heard it was great. it costs like 600 dollars but people said that it gives you crazy power.

pntbllm5. i am not 100% sure but i think they change the powerband on 4 strokes and/or add hp. i think they change the ignition curve so that you get more power from bottom to mid and smooth it out so its easier to use. but dont quote me on that.  
______________________________
Ride 2 strokes, buy 2 strokes, save the 2 stroke.

1998 cr125
2002 cr80

 
MTDman11 MTDman11
User | Posts: 183 | Joined: 06/08
Posted: 08/17/08
09:19 AM

elko6:
pro circuit has a very expensive ignition but i heard it was great. it costs like 600 dollars but people said that it gives you crazy power.

pntbllm5. i am not 100% sure but i think they change the powerband on 4 strokes and/or add hp. i think they change the ignition curve so that you get more power from bottom to mid and smooth it out so its easier to use. but dont quote me on that.


rev boxes bassically just move the rev limiter to a higher rpm say from 7k to 8.5k you know what i mean? hense "REV-BOX". and also the imprive the ignition curve to gain horsepower like you said  
1998 rm 125
Twin-air air filter
ricky stator

2008 sponsors list
Panolin oils
twin-air
Oneal
Yoshimura

 

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