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Thread: z wrench report 1986 jetting??? help!

  1. #1
    Join Date
    Jan 2004
    Location
    UK DEVON
    --
    101

    z wrench report 1986 jetting??? help!

    hi this is driving me nuts as i have no idea where to start with jetting and my z keeps on getting an oily plug and cuts out!! i have the wrench report phase 1 done on it and i know the jetting for the 1985 z is stock 470 to 490-500 sea level but does anyone know where i should start with the 320 stock 86 z jetting?
    is jetting the reason the z is getting an very oily plug when i rev it up for a few mins? i havent a clue on jetting ect... never had anything to do with it befor!!
    cheers
    nipps
    Rides:
    86 Tri z phase 1 wrench report porting n DG pipe (this beast is what really got me into trikes!!)
    84 honda 200 big red
    84 yamaha 225dx
    "To scrout or be scrouted the question remains!!?"

  2. #2
    Join Date
    Nov 2003
    Location
    Front royal, va
    --
    2,186
    i have the mods on one of my two 85 z's,but the one that has the mods uses a 86 trx 250r 34mm. carb,and i use a 48 pilot(stock) and a 175 main,sorry i cant help on an 86
    1985 With "86" Plastic's,Custom 12" Alluminum Extended Swing Arm,39MM PWK,"TRX" Filter,9 Paddle TALLER HALLER'S on 11" Wide Rim's,LOT'S of Stainless,LOT'S of Alluminum,LOT'S of PowderCoating,NOTHING Stock..

    FASTEST Tri-Z on The Planet...MAKE A NOTE !! and the SECOND FASTEST, WRITE IT DOWN AGAIN!!!

  3. #3
    Join Date
    Jan 2004
    Location
    UK DEVON
    --
    101
    thx. i have an 490 in it now so does an oily plug mean i need an smaller main jet or bigger main jet?
    cheers
    nipps
    Rides:
    86 Tri z phase 1 wrench report porting n DG pipe (this beast is what really got me into trikes!!)
    84 honda 200 big red
    84 yamaha 225dx
    "To scrout or be scrouted the question remains!!?"

  4. #4
    Join Date
    Jan 2004
    Location
    UK DEVON
    --
    101
    well to anyone thats interested the jetting turned out at about 350 in the end (drilled them myself as shop didn't have the right size!! (1.6mm drill bit lol)
    cheers
    nipps
    Rides:
    86 Tri z phase 1 wrench report porting n DG pipe (this beast is what really got me into trikes!!)
    84 honda 200 big red
    84 yamaha 225dx
    "To scrout or be scrouted the question remains!!?"

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