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Series 2 - Metering Jet
- Thread starter 1962300
- Start date
bernd_st
Bronze Level Sponsor
Depends on the application. Check your main jet size. If you have a S3 with low mainjet/batwing airfilter for example 1.5 would be proper. For others 2.0 is needed. However it is most important that the needle valve seating works 100%. Ideally it should be pressure checked...
SoCal'beaming
Gold Level Sponsor
Matt .. What are you using as air filters? .. the standard bug catchers or the optional batwing/cannister filter.
..... David
..... David
"Ideally it should be pressure checked"
Since I am a home garage restorer....Is pressure checking something I can do OR is that more for a visit to a local carburetor shop?
Thanks!
bernd_st
Bronze Level Sponsor
If the needle & valve seating are both new it should seal 100%. If the needle shows wear marks you need to slowly grind / polish the tip. After having done that you need to confirm sealing with a manual pressure/vacuum gauge. There are countless models for that purpose on the market, means you can do by yourself...
SoCal'beaming
Gold Level Sponsor
Exactly ... I tested mine each with a sm. electric fuel pump for most "pressure/demand issues" .. all good .. With vacuum ........... not yet.
...... David