Jetting a 1990 Pahzer for Idaho? - Page 2 - Snowmobile World : Your #1 Snowmobile Forum
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post #11 of 11 (permalink) Old 11-27-2019, 05:49 PM
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Join Date: Mar 2001
Location: SWEDEN
Posts: 432
Exclamation Jetting for a AAEN single pipe... ?

Originally Posted by retiredpop View Post
Here is the jetting chart:

Attachment 30192
Attachment 30191
Originally Posted by retiredpop View Post
Here is an info sheet about updating nozzles that I received from Hartman's when I had some carbs bored out by them.
Originally Posted by retiredpop View Post
For single AAEN pipe change the primary nozzle in the carburetors to part # 80L-14489-00-00
This nozzle has a thru hole which allows the nozzle to draw more fuel to enrich the midrange operation of the carb.
With a pipe it needs more fuel in the midrange or lean seizures result.
A different main nozzle part # 8Y2-14941-2A-00 may also be put in but I found it to cause a bog off idle.
It's purpose is to enrichen the carb just off idle somewhat.
I think this mod is mainly for a big bore engine and not required for the normal 485 cc stock engine.

Our 1991 Phazer-II have the following setup:
Main nozzle: 3A (std)
Primary nozzle: 80L-14489-00-00
Pilot jet: 95 (stock)
Mixture screw: 1 3/8 turn out

// Lasse from SWEDEN.

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