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Enrichers Vs Primers

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Thu Mar 01, 2007 6:09 pm Post subject: Enrichers Vs Primers

Hi Gang:



Been reading with interest the discussions on primers and their 

assorted plumbing and hardware.



I have been using what came with the engines since day one.  That 

includes my 912 engines, as well as Rotax two strokes.  They always 

work for me in all temps, low and high.  The secret is to use the 

prescribed procedure for starting as described in the operators 

manual.



1-Throttle closed.

2-Enricher full open.

3-Hit the starter.



The enricher dumps a load of fuel initially, then continues to operate 

on a larger idle jet and more air to increase rpm.



I also experienced leaking enricher on the old 447.  When I discovered 

what it was, put a new part in it and drove on.



The 912 carb does not use the same valve as the two stroke.  It is a 

rotating valve with "O" rings that seems to work better and last 

longer.



john h

mkIII

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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

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