well i guess I'm about to answer this question myself but would appreciate others input if possible.

i have got my bike running tonight after my top end rebuild.
and since i ran it last i have got some Tyga Chambers on the bike and have modifieyed the air box. (read cut it open as on the Tyga web site)

now while it was all open i though i know ill do what the HRC Jet kit recommends and mess around with my Jets
so prior to my current set up i had it all as standard pretty much except a little larger on the main's 142 or so and with all the other jets still in place.

now the HRC thing recommends plugging the PJ's and a massive increase of the MJ. ? is there any one on this site who actually runs on the road without the PJ's ?
I'm thinking i should go back to what i had and worked and just adjust the MJ's;s accordingly

cuz its never going to run with the 180's in it now by the sound of it :S

keefer wrote:is there any one on this site who actually runs on the road without the PJ's ?

I did, Andy does, you buy the HRC jet kit and if you actually want to use the jets you have little choice.
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Great Q, because I am about to do the same. Once my seat unit arrives I'll be able to ride it to do the plug chop. Incidentally when talking needle positions is it counted from the bottom or top?

well that's good to know some one out there is using it as recommended.

although reading through the very informative carb set up guide. it would appear that the recommended settings from HRC would be much to large for a bike that is still running a oil pump and normal filter albeit with a modified lid ?

i think as i said i should just go back to what i had which worked well before i added the chambers and opened the lid. and just size up if necessary from there.


Last edited by keefer on Sun Apr 20, 2008 4:36 pm; edited 1 time in total

I am only running pod filters. Actually it was running pods when I got it, apparently jetted to suit setup / build. The original carbs, which I still have, had 42SJ, 170MJ and still had power jets, can't remember size, plus running oil injector. By all accounts this seems as though it would have been very rich. Will have to see, it is a lot hotter here in sunny Oz.