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  #46  
Old 05-15-2011, 10:03 PM
POPTART972 POPTART972 is offline
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Default Re: Moddin my Crf230f for performance gains!

Glad to help if I were u id go blue its all around cheaper and less rebuilds, not that u will be riding them that hard to start but u will eventually just a heads up plus even changing the oil is cheaper lol
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  #47  
Old 05-16-2011, 11:46 AM
Lee_T413 Lee_T413 is offline
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Default Re: Moddin my Crf230f for performance gains!

haha class of 2011 I cannot wait to graduate next week....

only difference i found with the 250 and my 230f after i jetted and modded a few things was the weight difference. granted the 250 i rode was completely stock. The 250 has an aluminum frame and the 230 has a caged in steel frame. I loved the 250 i might want to consider trading mine for one.
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Last edited by Lee_T413; 05-16-2011 at 11:48 AM.
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  #48  
Old 05-18-2011, 07:50 PM
dirtbagHB dirtbagHB is offline
03 white ranger FX4II
 
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Default Re: Moddin my Crf230f for performance gains!

so my 08 crf230L is an absolute pain in the ass to start on cold mornings. i can run it for an hour and it still wont run without half choke, itll bog and sputter for a half second then die. once it starts itll keep starting up just fine. till it cools off. it has 250 miles on it. ive had it about 2 weeks now. i changed the oil and replaced the gas when i first got it. what else should i do to it? ive also tried messing with the idle screw.
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  #49  
Old 05-18-2011, 08:20 PM
POPTART972 POPTART972 is offline
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Default Re: Moddin my Crf230f for performance gains!

Clean the carb really well sounds like its got a bunch of crap on it, id take the jets out and use a wire brush well the bristles to clean them. Torco contact cleaner is amazing with that
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  #50  
Old 05-19-2011, 07:20 AM
Lee_T413 Lee_T413 is offline
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Default Re: Moddin my Crf230f for performance gains!

Quote:
Originally Posted by dirtbagHB View Post
so my 08 crf230L is an absolute pain in the ass to start on cold mornings. i can run it for an hour and it still wont run without half choke, itll bog and sputter for a half second then die. once it starts itll keep starting up just fine. till it cools off. it has 250 miles on it. ive had it about 2 weeks now. i changed the oil and replaced the gas when i first got it. what else should i do to it? ive also tried messing with the idle screw.
same problem that i have had until i removed the baffle, drilled holes in the air box snorkel then re jetted, it will now start on a cold morning with no choke. I run 93 octane in mine though if it makes a difference.
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  #51  
Old 05-19-2011, 09:28 AM
dirtbagHB dirtbagHB is offline
03 white ranger FX4II
 
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Default Re: Moddin my Crf230f for performance gains!

hmm. since mine has so few miles, should i just take it to the dealer and have them do the carb and rejetting? should also have them do some of the break in maintaince too? i can do simple maintence, but im not familiar with taking apart a carb or the jets or the valve clearences
how much might this set me back?

Last edited by dirtbagHB; 05-19-2011 at 09:29 AM. Reason: added information
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  #52  
Old 05-19-2011, 11:48 AM
Lee_T413 Lee_T413 is offline
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Default Re: Moddin my Crf230f for performance gains!

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Originally Posted by dirtbagHB View Post
hmm. since mine has so few miles, should i just take it to the dealer and have them do the carb and rejetting? should also have them do some of the break in maintaince too? i can do simple maintence, but im not familiar with taking apart a carb or the jets or the valve clearences
how much might this set me back?
roughly $40 assuming you have the tools capable of completing the task such as a 5/16 bit to drill around twenty holes in the air box snorkel (need to remove the seat fairly easy two bolts under the rear fender.) there is the exhaust baffle that you can remove (not the whole assembly just the inner baffle part theres on torx screw that will remove that) and honestly the jets i installed in the carb were very easy to do i bought my set from ebay i will link it to you Herei threw the biggest main jet they gave me which was a 125 and when i installed it aswell as the fuel screw i just removed the bottom bowl. Ive also backed the mixture screw out about 3-4 times.

i made an offer of $32 on the kit and they accepted, then when i was at checkout, i told them the specifics of my bike (what mods i did, whats my elevation, year etc. etc.)

I would have to say i modded another 10 hp onto my bike which is a substantial amount for this particular bike.

if you do decide to do the work yourself on it just send me a private message if you require help i can send pics and all.
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Last edited by Lee_T413; 05-19-2011 at 11:53 AM.
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  #53  
Old 05-19-2011, 07:06 PM
POPTART972 POPTART972 is offline
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Default Re: Moddin my Crf230f for performance gains!

Man id be careful drilling holes in the airbox, its not a race bike that u tear down after every moto, for almost no real increase in performance u just are going to increase the chances of sucking in dirt there for ruining all ur valves and head, if u do u better have one damn good filter, just had a bike suck a lil bit of dirt in and it was $900 in parts with a clean filter every ride, just sayin watch out for it!
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  #54  
Old 05-19-2011, 07:47 PM
Lee_T413 Lee_T413 is offline
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Default Re: Moddin my Crf230f for performance gains!

Quote:
Originally Posted by POPTART972 View Post
Man id be careful drilling holes in the airbox, its not a race bike that u tear down after every moto, for almost no real increase in performance u just are going to increase the chances of sucking in dirt there for ruining all ur valves and head, if u do u better have one damn good filter, just had a bike suck a lil bit of dirt in and it was $900 in parts with a clean filter every ride, just sayin watch out for it!
its not overly dramatic, i posted a pic earlier in the thread you can see it there, and yes i was aware of the consequences, i had completely sunk my bike in a sinkhole once, took three of us to pull it out, and when i tore down the bike afterwards when i brought it home, the air box was flooded with mud. removed the filter, and the other end was shiny and looks brand new.. i have an UNI filter on there btw and i dowsed it with the K&n filter treatment crap that you wont be able to get off ever.
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  #55  
Old 05-19-2011, 09:53 PM
tys87ranger tys87ranger is offline
living for the mud
 
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Default Re: Moddin my Crf230f for performance gains!

add a bbr rev box from motorcyclesuperstore.com
did this to my sons crf150f made a big difference in the bike.
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  #56  
Old 05-20-2011, 10:17 AM
dirtbagHB dirtbagHB is offline
03 white ranger FX4II
 
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Default Re: Moddin my Crf230f for performance gains!

I have a 08 CRF230L, as i understand it there is a difference in carbs between the F and the L crf230's. for one. the F's have a bolt on the bottom of the bowl so you can pull the bowl. on the L's there is no such bolt. and it looks like if i want to access the jets im going to have to pull the whole damn carb off the bike, which looks like a complete and total PIA. so this is what i did yesterday: pulled the flaring, pulled the seat. pulled the boot off the side of the carb. drained the gas from the carb and filled the F'er up with carb cleaner. let it sit for an hour. drained the carb cleaner and re filled it. let it sit, then started the bike ~60F. fired right up. i was able to run it with almost no choke. a first for this bike. hooked the fuel back up and the bike idled nicely. drained the carb again and once again filled it full of cleaner. low and behold this am ~40F no start, though it did get close. looks like this afternoon ill be doing the whole process again. but ill stay away from the beers, so i can ride it once i get it running
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  #57  
Old 05-20-2011, 02:10 PM
POPTART972 POPTART972 is offline
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Default Re: Moddin my Crf230f for performance gains!

Sounds like the jets could be clogged, id take them out individually and clean them, any little bit of gunk will make it tempermental though
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  #58  
Old 05-20-2011, 08:53 PM
Lee_T413 Lee_T413 is offline
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Default Re: Moddin my Crf230f for performance gains!

Quote:
Originally Posted by tys87ranger View Post
add a bbr rev box from motorcyclesuperstore.com
did this to my sons crf150f made a big difference in the bike.
i never bring my rpms that high i don't feel like blowing the motor. would be cool though maybe ill look into it more.
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  #59  
Old 05-21-2011, 10:20 PM
POPTART972 POPTART972 is offline
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Default Re: Moddin my Crf230f for performance gains!

Quote:
Originally Posted by 00 FlareSide Ranger View Post
i never bring my rpms that high i don't feel like blowing the motor. would be cool though maybe ill look into it more.
X2 on the rev box, I run one on my pit bike, I have a klx 110 that im runnin a 180 in it, not a huge difference but its noticeable. u can beat on those trail bikes forever, dont even worry about blowin those up unless u are running high compression stuff but highly doubt u are running anything but stock, just maintain it and ull get a lot of years out of it.
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  #60  
Old 05-21-2011, 11:01 PM
FlyinRyan FlyinRyan is offline
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Default Re: Moddin my Crf230f for performance gains!

Do yall know of any good mx forums? I've goggled it and haven't found anything.
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