Author Topic: cr480rc jetting  (Read 1642 times)

0 Members and 1 Guest are viewing this topic.

Offline caps 999

  • Legend
  • *****
  • Posts: 1762
    • View Profile
cr480rc jetting
« on: January 28, 2009, 07:24:27 pm »
does anyone have any recomended jetting combos or suggested oil mixs for the cr480
MUGEN power

Mark Austin

  • Guest
Re: cr480rc jetting
« Reply #1 on: January 28, 2009, 10:49:49 pm »
Hi caps,

I have a 1983 CR480RD with a 38mm Mikuni flatslide. I have the jetting specs if that is of any use. I run 40:1 for the premix.

Cheers,
Mark

Offline caps 999

  • Legend
  • *****
  • Posts: 1762
    • View Profile
Re: cr480rc jetting
« Reply #2 on: January 28, 2009, 11:01:41 pm »
its got a round slide on it so i dont think thell be much help
MUGEN power

Offline holeshot buddy

  • Legend
  • *****
  • Posts: 2008
  • sunshine coast qld
    • View Profile
Re: cr480rc jetting
« Reply #3 on: January 28, 2009, 11:02:26 pm »
is that the magoo beating bike ;D ;D ::) :o 8) ;)

i run 40 to 1 in all my bigbores
with no probs i use motul but
any good quality oil will do
are you running the standard keihin 38mm carb ???
follow me to first turn

Offline caps 999

  • Legend
  • *****
  • Posts: 1762
    • View Profile
Re: cr480rc jetting
« Reply #4 on: January 28, 2009, 11:35:56 pm »
im running the stock carb what ever side that is
MUGEN power

magoo

  • Guest
Re: cr480rc jetting
« Reply #5 on: January 29, 2009, 08:08:43 am »
Float level  22.5mm
Air screw 2 turns
Jet needle 28G
Main jet 180
Pilot jet 72

Hope that helps

Mark Austin

  • Guest
Re: cr480rc jetting
« Reply #6 on: January 29, 2009, 08:33:09 am »
I had a standard Keihin for a few years and after much sorting with jetting I ran a 165 main jet, which worked well.
Cheers,
Mark