The Marston Sunbeam Club & Register Forum

General Category => Technical Discussion Forum => Topic started by: ghardcastle on March 07, 2012, 06:15:42 PM

Title: model 9 gearing
Post by: ghardcastle on March 07, 2012, 06:15:42 PM
Hi, my model 9 has a 21t engine sprocket and is consequently a little low geared. . . even after fitting a 18t final drive sprocket. Can anyone suggest where I might find a 24t one?
Title: Re: model 9 gearing
Post by: j hood on March 07, 2012, 07:58:38 PM
I had my 24t sprocket repaired by John Heming.
I'm pretty sure he could resize your 21t to 24t.
Ph for john is 01547 530759.
The bike goes a lot better now..John
Title: Re: model 9 gearing
Post by: Ash on August 21, 2012, 01:22:38 AM
Hi
what year model 9?
Title: model 9 gearing
Post by: VicYouel on August 21, 2012, 04:52:30 PM
Quote from: "Ash"Hi
what year model 9?
Part number for 24T drive is 3994A for 1932/4 model 9/90...... is this the part you need?

Vic