The Marston Sunbeam Club & Register Forum

General Category => Historical Discusions => Topic started by: fmorik on May 12, 2018, 07:21:30 PM

Title: Model 9A 1937 with Amal 289/014
Post by: fmorik on May 12, 2018, 07:21:30 PM
Hallo, looking for the right needle and main jet size for amal 289/014 fitted on my Sunbeam 600cc, 1937. Can anybody please help? Franz
Title: Re: Model 9A 1937 with Amal 289/014
Post by: phutton on May 18, 2018, 08:22:29 PM
Is your machine ohv or sv?
Title: Re: Model 9A 1937 with Amal 289/014
Post by: fmorik on May 18, 2018, 08:45:06 PM
It is a OHV.
Regards Franz
Title: Re: Model 9A 1937 with Amal 289/014
Post by: phutton on May 19, 2018, 12:15:26 PM
Thanks Franz. The settings are as follows:

Main jet: 220
Needle jet: 106
Needle position: 3
Needle:   29/075
Throttle valve: 29/4
Choke size 1 3/16"
Title: Re: Model 9A 1937 with Amal 289/014
Post by: fmorik on May 19, 2018, 12:54:20 PM
Thank you very much for your information!
Regards Franz