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650SS speedometers

Submitted by paul_webb on Fri, 15/02/2013
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Heavy Twins

Can any member clarify if the SmithsMagnetic speedometeron a 1966 650SS should be 120mph or 150mph type?

If it is 150mph what is the part number on the face of the clock?

Regards, Paul

Submitted by Xanna_jeannett… on Fri, 15/02/2013

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Hello All 650 Machines were fitted with the 150 mph Speedo in 1966 they would be of the Magnetic type. 15:12 ratio . You need to contact Alan Gagg of Nottingham He will tell you what you need to know ! and all retentive numbers ,your Anna J

Submitted by paul_webb on Fri, 15/02/2013

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Previously wrote:

Hello All 650 Machines were fitted with the 150 mph Speedo in 1966 they would be of the Magnetic type. 15:12 ratio . You need to contact Alan Gagg of Nottingham He will tell you what you need to know ! and all retentive numbers ,your Anna J

Thank you Anna, much appreciated. ATB, Paul.

Submitted by anthony_curzon on Sat, 16/02/2013

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That Speedo should be a SSM.3002/00A. The revcounter should be an RSM.3003/00A.These were also fitted to the 88ss for 1966. The Kilo one was SSM.3002/01A. The Speedo cable length was 5.7 1/2 inches andthe Smiths cablepart number was DF.9110/00. The revcounter cable lengthwas 2.8 inches, and Smiths cable part number was DF.9111/03. This is just in case this is the next question.

A Smiths SSM3001/00A was fitted to the 1966 650/99, Atlas, N15CS. The 00A part of the numberis the internal modifications that were made to the Speedo or Revcounter.

Submitted by paul_webb on Sun, 03/03/2013

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Thank you Anthony.Your info is spot on andhas also been confirmed by Alan Gagg of Nottingham who can supply.For a 1966 650SS it would be fitted with a120mph speedo (SSM.3002/00A) with a 2:1 ratio and it could also have an optional trip.

Regards, Paul.

 


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