Hot Starting

olympus

Joined

Aug 5, 2017

Messages

1,414

• Sep 5, 2022

• #1

Hi Guys should a small amount of throttle be used when hot starting...or none at all???

 

kommando

Joined

May 7, 2005

Messages

7,163

• Sep 5, 2022

• #2

Whatever works, I start the kick with the throttle closed and open just a bit as the kick finishes. But on my B44 I keep the throttle closed, B25 is slightly open before the kick. They have their foibles and like to be different.

 

maylar

VIP MEMBER

Joined

May 13, 2007

Messages

4,213

• Sep 5, 2022

• #3

Different, indeed. Mine wants a cracked throttle when hot, none when cold.

 

concours

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Joined

Dec 29, 2011

Messages

9,445

• Sep 5, 2022

• #4

olympus said:

Hi Guys should a small amount of throttle be used when hot starting...or none at all???

Click to expand...

What carb? Twin Amals?

 

olympus

Joined

Aug 5, 2017

Messages

1,414

• Sep 5, 2022

• #5

concours said:

What carb? Twin Amals?

Click to expand...

Twin 30mm Premiers with 19 pilot jets

 

baz

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Joined

May 26, 2010

Messages

7,905

• Sep 5, 2022

• #6

olympus said:

Twin 30mm Premiers with 19 pilot jets

Click to expand...

I'd use a small amount of throttle with this set up

 

marshg246

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Joined

Jul 12, 2015

Messages

4,917

• Sep 5, 2022

• #7

With Tri-Spark ignition and Premier carbs, I'm no throttle in any situation unless I think I've flooded it - then it's wide open. With old carbs and points, a little throttle once it fires. Opening the throttle defeats the pilot air screw - leans out the mixture. If throttle is needed, then the air screw is improperly adjusted IMHO.