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2012_Honda_CRF_50F.jpg

Honda CRF150F (2012)


Owner: KxZeek
Added on August 20, 2014



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*STICKY*: Part numbers for 150F Power Up



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123 replies to this topic
  • 04CRF150F#319

    TT Silver Member

668 posts
Location: British Columbia

Posted April 09, 2005 - 03:09 PM


O.K. Hopefully the Mods will sticky this post.

I briefly read over the instructions for the 230F power up and it's pretty much the same for the 150F. If you have trouble with the install, use the "search" feature. If you can't find what you're looking for with "search", post a question, lots of great folks here with the same passion you have, Dirtbikes!!! :naughty:
So, that being said, here are the recommended** part numbers for the POWER UP Mod for the 2003-2005 CRF 150F.

-99103-KPT-0420-Slow jet (42 being the size, stock is 40)

-99113-GHB-1150-Main jet (115 being the size, stock is 98)

-16012-KPT-921-Needle set

**These parts might not be right for each and every 150. Proper jetting is affected by temperature, altitude and humidity.

If you install the parts above you also need to do the following,
-Remove the snorkel from the top of the air box, you need to remove your seat to do this.
-Remove the exhaust baffle from the end of the stock muffler.
-Buy a hi flow air filter, TwinAir or Uni.
-You might also consider removing the backfire screen from inside the airbox, this will help increase the amount of air entering the carb.

Get yourself a Service Manual for your bike, everything you need to know is in there.

Good luck with this easy modification, you will notice a considerable difference in power after you do this.

Cheers, :naughty:

  • a_gunslinger

    TT Addict

3,765 posts
Location: Ohio

Posted April 09, 2005 - 06:16 PM


For the best pictorial assistance, look at Rick Ramsey's step by steps - its great. MAde me actually want to try it myself it was so explanatory and well photgraphed:

http://www.rickramse...CRF230Fcarb.htm

:naughty:

  • 250Thumpher

    TT Addict

4,284 posts
Location: California

Posted April 09, 2005 - 08:24 PM


best pictorial? IMHO, my pictures are more than enough needed.

Do not remove the backfire screen unless you use Twinair's special backfire filter. If you use a normal filter, a backfire that belches back into the airbox could start a fire. Honda put it there for a reason. Keep it there.

  • a_gunslinger

    TT Addict

3,765 posts
Location: Ohio

Posted April 10, 2005 - 04:44 AM


Meant no offense :naughty: Which/where are your pictures? Maybe I spoke without seeing all the candidates :naughty:

  • 04CRF150F#319

    TT Silver Member

668 posts
Location: British Columbia

Posted April 10, 2005 - 05:11 AM


Do not remove the backfire screen unless you use Twinair's special backfire filter. If you use a normal filter, a backfire that belches back into the airbox could start a fire. Honda put it there for a reason. Keep it there.

I've had my filter screen out for almost a year now, there is no sign whatsoever of backfire and I ride my bike like it's stolen.

Cheers, :naughty:

  • hillclimben fool

    TT Gold Member

1,228 posts
Location: Indiana

Posted April 10, 2005 - 05:36 AM


the backfire screen is more for old school bikes , there has been almost no fires in the past few years due to a no backfire screen. and i believe all of twinairs filters are fire proof

  • scot_douglas

    TT Gold Member

1,152 posts
Location: Michigan

Posted April 13, 2005 - 02:51 PM


Dang,
I just ran down to my local honda shop and they only list a main up to 108 and won't order anything but OEM stuff. :naughty:

  • 250Thumpher

    TT Addict

4,284 posts
Location: California

Posted April 13, 2005 - 06:30 PM


CRF150, would you like me to post this in my stickey and add this to the title?

  • Guest_RIDE_for_RED_*

Posted April 13, 2005 - 06:58 PM


I think you should!!!

  • 04CRF150F#319

    TT Silver Member

668 posts
Location: British Columbia

Posted April 13, 2005 - 07:42 PM


CRF150, would you like me to post this in my stickey and add this to the title?

Sure..... :naughty:

Cheers, :naughty:

  • DirtDaddy

    TT Titanium Member

2,171 posts
Location: California

Posted April 13, 2005 - 07:51 PM


Since it is a 150 you can also add it to RIDE for RED's stickey. It's the right place for it!

:naughty:

  • 04CRF150F#319

    TT Silver Member

668 posts
Location: British Columbia

Posted April 13, 2005 - 08:00 PM


Since it is a 150 you can also add it to RIDE for RED's stickey. It's the right place for it!

:naughty:

It's already there :naughty:
Okay, I read the sticky on the 230, now what about the 150?:
http://www.thumperta...ad.php?t=242745

Cheers

  • toddadam7

    TT Member

62 posts
Location: California

Posted April 15, 2005 - 08:13 PM


Thank you all for your help. I'm not going riding this week so I will continue to work on the 150. DMC Alien pipe, 2 bros fork springs, 2 bros rear shock spring, Renthal 480 chain wheel kit, the suggested power up kit for the stock 150f for lower elevation. Good night to you all!

todd

  • hillclimben fool

    TT Gold Member

1,228 posts
Location: Indiana

Posted April 16, 2005 - 05:08 AM


tell me/us how you like that dmc, there slick pipes and i like them tell us how it is.

  • blum55

    TT Newbie

13 posts
Location: New York

Posted October 23, 2005 - 10:17 AM


would these jets work for an altitude of 200 ft above sea level? the average temp. here is probably 65-75

  • VintageVeloce

    TT Member

72 posts
Location: California

Posted November 29, 2005 - 04:14 PM


Put the kit in last weekend and rode the bike Monday. Ran great! Seemed significantly more powerful up hill.
Notes
- Put the needle on the 4th notch from the top, as my dealer suggested. Seemed fine.
- Didn't have to touch the idle screw (throttle stop) or the pilot screw, although I should check these and will eventually
- starts much easier.
- Ramsey's pictures are for the wrong carb, a 230, don't bother looking at them for the 150: get the Honda manual. The slide assembly is much different.
- took me about 2 hours because I was fiddling a bit, but it should have only taken 45 minutes!

Why isn't this thread really a sticky?
C

  • 123BigcoopDawg576

    TT Titanium Member

2,664 posts
Location: Other

Posted March 07, 2006 - 12:05 PM


Mod for the 2003-2005 CRF 150F.

-99103-KPT-0420-Slow jet (42 being the size, stock is 40)

-99113-GHB-1150-Main jet (115 being the size, stock is 98)

-16012-KPT-921-Needle set


how much did you all pay for these and will they work with an 06
thanks

  • sarge1991

    TT Gold Member

1,357 posts
Location: North Dakota

Posted March 07, 2006 - 01:41 PM


its cost about 32
8 pilot
7 main
20 needle

  • mxrider129

    TT Member

93 posts
Location: New Jersey

Posted March 29, 2006 - 07:38 PM


I just got an 03 CRF150, and it bogs on initial acceleration, it has a 115 main jet, a 40 slow jet, and the needle was all the way down and has an "18L" on it, I don't know if this is stock or aftermarket. and the pilot screw was backed out almost all the way. How should this be set up? Any ideas??? Do you know if this needle is stock or not?? Thanks.

  • kellyhuth

    TT Newbie

1 posts
Location: California

Posted December 04, 2006 - 06:16 PM


Any response on the '06 150? Same as 03-05?





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