1. Husqvarna Motorcycles Made In Sweden - About 1988 and older

float valve 1980 390 OR ?

Discussion in 'Vintage/Left Kickers' started by MotoXotica, Mar 10, 2010.

  1. MotoXotica Husqvarna
    AA Class

    Location:
    Vacaville
    does somebody the specific float valve(needle and seat) that should be used in the carb?it has a mikuni round slide that i assume is stock.thanx,dan
    MotoXotica, Mar 10, 2010
    #1

  2. HuskyT Moderator

    Location:
    Corona, California
    Dan,

    This is the information I have / CR OR will be the same... see bottom for 1980 390:

    Jetting for 250/390 CR 1980 ProCircuit


    Here is the reccomended jetting for the 1980 250/390 CR from ProCircuit for Southern California elevation 0 to 3000 ft

    Pro Circuit knew Huskys back in the day information is a direct quote from ProCircuit

    250 CR Husky 1980
    38 mm Mikuni Round slide
    Stock Needle 6DH3 change to 6F15
    Stock Main jet 430 change to 480
    Stock R2 Needle Jet change to R0 or Q8
    Go to a 60 Pilot
    These changes from the stock factory bike will result in cleaning up the bottom end and make the top end a lot fatter.

    390 CR Husky 1980
    38mm Mikuni Round Slide
    all the same changes but go with a 50 Pilot

    Also recomended:
    Throw away the stock Husky air boot clamps and replace with standard hose clamps
    Seal the air boot to the air box with Silicone Sealeant

    T
    HuskyT, Mar 10, 2010
    #2