Author Topic: Jetting/ carburetors on 4/6  (Read 5118 times)

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Jetting/ carburetors on 4/6
« on: December 26, 2012, 11:11:45 PM »
As I understand (some) things, the 4/6 motors came with the Mikuni carburetors.  It was the 81-82 Ltds that came with the 'other' type of carburetors.

My question is what jetting is in the 4/6.  I can but assume since the motor puts out more Hp than a standard round head they must be larger.

What is the correct jetting for the 4/6

Interceptor398

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Re: Jetting/ carburetors on 4/6
« Reply #1 on: December 27, 2012, 07:29:35 AM »
130 main jet  Invader is 150
35  pilot   Invader is 30
120 RRT power jet  same as Invader
6DH7-3  jet needle  same as Invader
P9 (159) needle jet   Invader is P6
idle is 2500

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Re: Jetting/ carburetors on 4/6
« Reply #2 on: December 27, 2012, 12:24:51 PM »
Thank you so much Bob,

Smoke is going to come out of my garage and it will smell pretty.  Just in time for the oval races.  Will get up some pictures for you fellows in the next few days.