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Old 10-07-2012, 02:35 PM   #49
Goss
LC8 Adventurer
 
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Joined: Sep 2002
Location: North Texas
Oddometer: 1,367
Quote:
Originally Posted by Goss View Post
Thanks gentlemen.

The jetting is what Ken at AdvMachines sent me to start with when I bought the CPR setup from him.

I have 160 & 165 mains I could use but none in the 170 range so I have contacted Ken about those.

I do have the stock 42 slow speed jets and the 50 idle jets.

I figured since my bike ran so well with the jetting he sent me for the pre-filter on the stock air box that this would be very close as well but as you guys are saying it seems to be way off. Just glad the CPR setup allows for such easy access to make the changes. Will update when I have made progress.

Many thanks.
Had some time this morning so I pulled the carbs, set the floats back to 3mm. Put in the 42 slow speed jet and the 50 idle jet. Then put the needle at the second position from the top. Left the 180/185 mains in. IMS screws 2 turns out.

Bingo ! Went out for an hour ride. Idles greats with no hanging throttle. Nice pull to redline. Much crisper throttle. I think possibly the mid range could be better when you get on the throttle but it cruises with no surging at 4k-5k rpm.

Will wait to hear from AdvMachines master to see if he has a cure for a little stronger midrange.

Thanks again for the suggestions to go back stock except the mains.
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