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FCR jetting for a 97 400

Joined May 2016
138 Posts | 25+
Portugal
Hi all
I've been enjoing my berg for 3 years now and managed to get the stock Dellortho running well, but i came across a FCR for my other bike (XR 600) so after tunning it for the honda I've decided to try it on the berg also and if happy get anothre one for the XR
Anyway i'ts a 39 mm MK2 FCR off a KTM 250 and i've got a few jets aorund to try .
I 've just put it on last night and it started right up but it was late and did'nt get to ride it .
Looking for guiding for the needle choice mainly

Right now it's got a
-NCVT Needle
-150 Main Jet
45 Pilot Jet
-200 MAJ (open)
-100 PAJ
- leak Jet is a 0 (blocked plug)

I'm looking for better driveability in slow tecnichal terrain (single track)
Was thinkg DMS needle ???

anybody have a recomendaition ?
Thanks

Nuno
 
the CVT is the best needle for off idle get-go but it will be useless higher up the revs and that 150 needs to be a 160. the 45 could be a 42 no problem. the nedle will be quite a high position like clip 5-7.

the D needle is a green lane needle and the E is a street needle. but DMS is too rich. a DVR or better still, a DVT would be better. I have DVTs here.

cheers

Taffy
 

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