jetting

Hi Guys, In risk of being told to read the Owners Doc. (which I have done and is great), I will ask the all to common question of 'Please help with Jetting advice' ......... My FC 400 is proving difficult to start, starts after numerous kicks on Choke and then when warmed up runs fine except...

I decided to to turn my FE450 into a 380 over the winter months and after getting it all together she didn't run very well. The carb was relativly stock except for a smaller mj, silly me didn't take it apart while I had the engine out and thought it ran well before lets see what happens...

Hello, I found on this forum many info about dellorto carburators. Because there aren't many fora where people have knowledge about dellorto carbs, Ill give it a try here. I have a KTM LC4 600(`94) with a 625cc cilinder(2001) on it but I have a hard time to jet it right I've got these...

Never jetted a carb before, but after reading everything I think I just might be able to get it figured out. So which size jetts do i needed to get for a good starting point. Ride mostly tight stuff 1-4 gear. Altitude 1,600ft temp 60-90 f humidity 70-85% so what MAJ,MJ, PAJ,PJ should i...

got a 501 with a full 450 akro (insert in) currently running a 41mm but want to go down to a 39. tried reading all the threads but theres too main. whats the best, ride up to 300 metres above sea level. any help would be great

Hi guys, I am running my FE as a supermoto. Does anyone know the difference between the OBDVR, OBDVT, and OBEKR needles? I am expecting the OBEKR soon, but have to run on the VR or VT and would like to know which one would be best and at which setting. The repair manual calls for OBEKR 4th...

Just wondering if anyone has installed the James Dean jetting(Husaberg) kit for the 04-08 bike. Do mainly trail riding and looking for more low speed control an tight single track. My Fe 450 does cough/stop stalls at low reves. Thought the JD kit could be the medicine.

Hello all, I have a 2000 FC501 and I've never messed with the jetting. With different jetting, how would this change the powerband? What jets should I use (I ride mainly motocross tracks)? I'm sorry for the novice/general question. I'm new to this. Daniel In Vacaville

Hi guys, Been a long time reader of the site and have just joined up. Great site. What i need help with is jetting for my 04 450fe with exhaust end cap mod. I only ride the bike on trials 0-2500 feet. No other mods are done to the bike except for a 52 rear sprocket. I live on the East Coast...

H iguys got a MK1 FCR with no choke circuit, the bike starts and runs well hot or cold apart from being a bit lumpy with a tiny amount of throttle on...... the jet sizes are as follows; Main 152 Pilot 62......... seems enormous compared to what i've seen in the docs. Main air jet 200...

what jetting changes have you guys with the slip on akropovic muffler made?

I have just purchased an 8 hour old '04 FE450. Bike was purchased new in '07, ridden several times, and then garaged. At a minimum, the pilot circuit is plugged. So the carb is coming off.While it's off,should I rejet?. Based on the posts I've read, there seems to be little consensus on what the...

Hey Boys and esp DaleEo :D I have just finished up my refresh and since I had the carb off I decided I would check and see what jet are in there. What a shock 8O Now let me tell you about the bike and where I ride. 05 fe 550 stock pipe I start at 4000 ft and go to 10000. Bike starts easy...

I'm hoping some site expertise can save me some time as getting the jetting right seems to be a time consuming job. I am trying to get the jetting right on my 2005 Fe550e and have currently 38PJ 168MJ 60PAJ 78Starter jet The needle is a OCDMS and is set on clip 5 (from the pointy end of...

Hi all as you may or may not know i have bored out my 41mm fcr to a 43 mm and the problem I'm having is that at a constant throttle opening i am experiencing a slight miss siting at 3800-4000rpm at about 1/8-1/4 throttle and the miss seems to happen every 10 seconds or so any idea ? . to...

hi guys, just a quicky, have just re jetted fs650 sm back to standard, k51 on clip 3, dr272, mj 190 pj45 choke jet 55? she running mega hot with the ps set to 1.5 turns??? also is the choke jet only for the choke start or is it involved in the running set up? and is it too big perhaps a 45...

Anyone (Taffy ?) know what jetting changes are likely to be needed after fitting 501 headers to a 400. I did it today but could not really detect any real power difference except that it felt a bit smoother. Carb is Keihin FCR MX 39mm and muffler is a Big Gunn, the rest is pretty standard...

my 03 fs 650 was flooding realy badly so i pulled the carb this is what i found main 185 x pilot 40 choke 45 emulshion tube dr 268 x needle k51 can anybody tell me whats wrong with this picture . And taffy do you have a float valve and seat

Hi All. Has anyone tried Dales kit on a 450? Any one down under? I see lots of references to the 550 & 650s but nothing on the little fella, except for your bike Taffy. We use 98 RON fuel and I am lucky to ever get above 1000M so is Dales kit the way to go? Thanks Blunny

Hello, my name is Scott, I am from Tucson, Arizona, in the US. This seems like an excellent site for Husaberg anything. I have been reading past posts, just to read them and to try and figure out fuel issues or just running issues ion general. I have found a lot of helpful info, but I have not...