Added reply in a thread Cylinder head Porting questions 4/3/2020 10:34 AM

Ok thank you DynoDan22 🤟🏁

Added reply in a thread Cylinder head Porting questions 4/3/2020 8:11 AM

The first picture is a completely stock kx250f 2013 head and the second head is from kx250f 2017 and la fully ported by Pro-Circuit. Probably ported for his own rider that are on the rev limiter...

Added reply in a thread MOD KIT 2013 Kx250F Ported head/PC cams/Ti valves/ GET box/ 4/2/2020 8:16 PM

Do you have any picture of the head and inside

Added reply in a thread Cylinder head Porting questions 4/2/2020 2:33 PM

Added reply in a thread Cylinder head Porting questions 4/2/2020 2:32 PM

Added reply in a thread Cylinder head Porting questions 4/2/2020 2:29 PM

Started new thread Cylinder head Porting questions 4/2/2020 2:26 PM

Hi guys , i have a big question about porting intake manifold on a dirtbike. Most of the bike have 2 intake valve and this make the intake runner split in two with a "fins" in the middle. On the first Photo you can see that the "fins" is untouched and ... more »

This forum thread has 8 replies

Added reply in a thread Kawi 250F Head questions 3/7/2020 7:23 AM

2013 to 2016 Will fit for sure. 2017 + the intake tract is more straight and probably dont fit on the air box.

Added reply in a thread Do i need to run my bike with race fuel? 2/27/2020 6:20 PM

I was planning to dyno tune the bike with a guys who make a lot of Race bike for a friend that make the canadian championship and remap with the kawasaki kx fi calibration computer What type of fuel do you recommend using? Vp fuel.. sunoco .. what octane ... more »

Added reply in a thread Do i need to run my bike with race fuel? 2/26/2020 10:04 AM

Thank you guys for all your comment 👍 it help me a lot to see clearly what i need to do

Added reply in a thread Kawasaki kxf 450 18 suspension to 2020 2/25/2020 8:07 PM

Maybe the best for you is contact öhlins and see with them if these are the same specs for the 2019-2020 than your 2018 !

Added reply in a thread Do i need to run my bike with race fuel? 2/21/2020 6:49 PM

has anyone experimented the octane booster? Is it a safe way?

Added reply in a thread Do i need to run my bike with race fuel? 2/21/2020 9:39 AM

Ok thank you, i forgot to mention that i plan to tune the bike on dyno And tune it with the kawasaki kx FI calibration program.

Started new thread Do i need to run my bike with race fuel? 2/20/2020 9:17 PM

Hi guys, i need your help. I am build a kx250f 2013 for mx and i have couple question that i need answer. This is my setup: - ported head with copper valve seat (5 angles) - Pro-Circuit camshaft - kibblewhite titanium racing valve spring kit - delwest ... more »

This forum thread has 12 replies

Added reply in a thread Kibblewhite racing valve spring kit kx250f 2013 2/7/2020 1:31 PM

My pro circuit camshaft specs : Intake lift : 0.377" / exhaust lift : 0.354" . I think it's ok . I just want to know the quality of the kibblewhite valve spring, je anybody have issue with.

Added reply in a thread Kibblewhite racing valve spring kit kx250f 2013 2/6/2020 7:40 PM

Paw paw 271, i am from Montréal, canada and pro circuit valve spring set costs approximately 540$ once I get it home. In my mind i think a spring is not design for just one application and it's for that i watch the kibblewhite set.

Added reply in a thread Kibblewhite racing valve spring kit kx250f 2013 2/6/2020 3:57 PM

Thank's 👍

Started new thread Kibblewhite racing valve spring kit kx250f 2013 2/6/2020 12:48 PM

Hi guys, i am in the process to built a race engine for my 2013 kx250f. At the moment i have brand new oem crankshaft, wiseco 14:5;1 piston and Pro-Circuit camshaft set. My question is about valve spring. Pro circuit recommend To buy his titanium valve

... more »

This forum thread has 10 replies

Added reply in a thread 13-16 KX250F Pro Circuit Camshaft 2/2/2020 4:54 PM

If it can help anybody. CSK16250 camshaft specs. Intake lift: 0.377" Exhaust lift: 0.354"

Started new thread Kx250f 2013-2016 oem camshaft specs 2/1/2020 12:07 PM

Hi guys, i try to find the oem camshaft lift and duration for my kawasaki kx250f 2013. Can anybody will help me

This forum thread has 1 reply