Gearbox Numbers and Ride Out

General talk about the W/NG
Michael.Brown
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Joined: Tue May 26, 2015 5:47 pm
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Gearbox Numbers and Ride Out

Postby Michael.Brown » Thu Sep 13, 2018 5:35 pm

Hi all,
Back on the W/NG for this mornings run to Northleach, Bourton on the Water and Guiting Power. Round trip of 52 miles and the bike started first kick after every stop and ticked over on full retard like a heartbeat. Impeccable manners from the old military machine.

In the sunlight at one stop I caught sight of some numbers on the Gearbox Main Body Shell (SEC 29 44) which I hadn't noticed before. Any ideas? Perhaps 44 denotes Gearbox date?

Mike
1942 Ariel W/NG
1960 Ariel Arrow
1960 Ariel Leader

Michael.Brown
Posts: 95
Joined: Tue May 26, 2015 5:47 pm
Contact:

Re: Gearbox Numbers and Ride Out

Postby Michael.Brown » Fri Sep 21, 2018 5:13 pm

Hi all,

Gearbox number rear of Main Shell "SEC 29 44"

Gearbox number embossed on Outer Case "40 M-9"

Any ideas what if anything these mean

Mike
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1942 Ariel W/NG
1960 Ariel Arrow
1960 Ariel Leader

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Roger Gwynn
Posts: 36
Joined: Tue May 28, 2013 11:34 am
Location: Norwich, UK
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Re: Gearbox Numbers and Ride Out

Postby Roger Gwynn » Sat Sep 22, 2018 5:29 pm

4C/M9 is the Burman casting number for the kickstart case cover. All of these cases are number 4 the 'C' denotes C type gearbox that we usually refer to as 'CP', which actually means 'C' type gearbox with a pivot mounting arrangement, 'M' is short for 'Mark' as in version and the 9 is well the 9th version. The W/NG parts book for 1941 gives the Ariel number as 3023-41

I have never seen the other number before, I suspect it is related to a repair or replacement with the date of same.

Roger
Worldwide Membership Secretary
Semi-retired partner in Draganfly Motor Cycles

Michael.Brown
Posts: 95
Joined: Tue May 26, 2015 5:47 pm
Contact:

Re: Gearbox Numbers and Ride Out

Postby Michael.Brown » Sat Sep 22, 2018 8:26 pm

Thank you Roger most helpful and makes sense

Mike
1942 Ariel W/NG
1960 Ariel Arrow
1960 Ariel Leader


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