Author Topic: one for the carby Guru's  (Read 1017 times)

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Offline shelpi

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one for the carby Guru's
« on: February 10, 2013, 01:47:26 pm »
when putting a set of chambers onto a two banger what carburetor perameters should be changed?
ie main jet, idle (pilot) jet etc ?

Honda Hoarder

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Re: one for the carby Guru's
« Reply #1 on: February 10, 2013, 02:49:37 pm »
Set of chambers ?
The pilot and the needle clip air screw also
depends on the pipe top end/ low end etc
More info needed

Offline shelpi

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Re: one for the carby Guru's
« Reply #2 on: February 10, 2013, 03:11:54 pm »
we are aiming for bottom end to mid range :o so chambers (now made) are not dissimular to the chambers made by the Brits wwwhiggspeed.com  Higgspeed performance products,
  mikuni vm32sh    carbs now at
               mj   110- 112.5
              pilot  30
             
recommended so far
             mj   170-  220
         pilot     30- 35
 4th clip on needle if to rich go one size richer on the needle jet

   update just cam in from hvccyle
r5 350 (piston port) stock pipes mj:125-135,  pilot: 30- 32.5,  needle clip pos: 3
r5 350 (piston port) dg pipes    mj: 130- 145,  pilot: 32.5- 35,  needle clip pos: 2
r5 350 (piston port) performance pipes mj: 140-155,  pilot: 32.5-35  needle clippos: 3

start rich and work down    :P IS THIS A GOOD PLACE TO START?  CHEERS               
« Last Edit: February 10, 2013, 03:53:44 pm by shelpi »

Offline shelpi

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Re: one for the carby Guru's
« Reply #3 on: February 10, 2013, 06:06:29 pm »
So please let me know if I am in the Ball park  ???  cheers

Offline TT5 Matt

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Re: one for the carby Guru's
« Reply #4 on: February 10, 2013, 07:34:20 pm »
yeah best to start very rich and work down,that way you dont cook your motor ;)