119 replies to this topic

[bossanova5 TT Newbie]

Can anyone tell me what the numbers are on the actual needle and not the part number?

Thanks in advance

[trailrider95 TT Gold Member]

04CRF150F#319 said:

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!!!
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,

will this still work for astock bike? all i have is a bbr exauhst:banghead:

[crf150f guy Get Help Now]

yes..

[trailrider95 TT Gold Member]

alright cuz i was talkin to a friend bout doin this to his bike as well as to mine. an he didnt believe that u could do this to a stock bike

[crf150f guy Get Help Now]

probably different main jets though.  I have a 110 right now.  I have an uncorked 150 with a UNI filter.  When I get my BBR exhaust I will probably try a 112 or 115.

[trailrider95 TT Gold Member]

crf150f guy said:

probably different main jets though.  I have a 110 right now.  I have an uncorked 150 with a UNI filter.  When I get my BBR exhaust I will probably try a 112 or 115.

im not uncorcking my exauhst or anything.i dont wanna mess with it.i decided im jus gunna re jett an get the needle an take out the snorke:thumbsup: l

[crf150f guy Get Help Now]

I didnt mess with the exhaust either but i still consider it "uncorked"

[trailrider95 TT Gold Member]

ohhh. wait why do u consider it uncorcked? oh an wat mods have u done to ur bike?

[crf150f guy Get Help Now]

mods:
removed snorkel
UNI filter
Maxxis IT tires
Kouba fuel screw
Rejet


I think thats it.

[trailrider95 TT Gold Member]

awsome.that reminds me i gotta get a new back tire.... ughhh more money spent... that i dont have

[crf150f guy Get Help Now]

I almost forgot the Pro-taper bars.

[trailrider95 TT Gold Member]

oh very nice addition. i jus got stocks i think... need to fork out some money for some new bars but thats money i dont have

[crf150f guy Get Help Now]

Bars are pretty cheap.  I got mine for like 80.  stronger than stock but also a bit lighter.

[trailrider95 TT Gold Member]

yahhh but i dont have chores or anyuthing so i dont get allowance.i wish had chores.im prolly the only kid thats begging there parent for chores. jeez why wont they jus gimme chores grr, haha

[crf150f guy Get Help Now]

Im getting 110 a MONTH now.

[trailrider95 TT Gold Member]

for doin wat??? man i wish i was gettin that. i'd have me bars, ne triple clamps,re jetted, differnt exauhst,black plastics. jeez... i gotta lot wants to do to my bike

[crf150f guy Get Help Now]

I used to get just 10 for doing chores. When I got my bike my dad would send my mom 100 every month to pay for it and I would get 50 every other month.  Now that my bike is paid off I get 110.  I do chores, get good grades.

[trailrider95 TT Gold Member]

crf150f guy said:

I used to get just 10 for doing chores. When I got my bike my dad would send my mom 100 every month to pay for it and I would get 50 every other month.  Now that my bike is paid off I get 110.  I do chores, get good grades.

nice.keep up the good work... good grades that might helpppp haha but so woudl good teachers... why didnt u get the r version instead of the 08 get the 07 r?? arent they roughly the same price??ohan have u thought bout that cr 80/85 fork/suspension switch?

[crf150f guy Get Help Now]

the R required too much maintenance.  No I havent thought about the 85 fork swap.

the R also cost a grand more.

[trailrider95 TT Gold Member]

oh thahts true. i've looked into it but cant decide if its worth the money or not.. nice pics from hangtown btw. pretty sweet. should see the washougal track set up. pretty sweeeeet