Front Magneto Platform Question

Information relating to the Matchless G3 or AJS Model 16 350cc Heavyweight
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Re: Front Magneto Platform Question

Postby spookefoote1956 » Wed Feb 13, 2019 11:40 am

I have a similar platform and had some stainless spacers turned. I could measure them for you if you wish?

Cheers, Chris
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Re: Front Magneto Platform Question

Postby George Kaplan » Wed Feb 13, 2019 12:59 pm

spookefoote1956 wrote:I have a similar platform and had some stainless spacers turned. I could measure them for you if you wish?

Cheers, Chris


Hi Chris, thanks for your very generous offer. If Duncan finds a platform then I obviously wont need dimensions but I might contact you if Duncan hasnt got one.

Re the spacers the query I have is: Is the platform centred on the engine plates? I.e. are the spacers at each side the same length? If you could measure the spacers that would be a great help.

John.

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Re: Front Magneto Platform Question

Postby Rob Harknett » Wed Feb 13, 2019 1:59 pm

George Kaplan wrote:
spookefoote1956 wrote:I have a similar platform and had some stainless spacers turned. I could measure them for you if you wish?

Cheers, Chris


Hi Chris, thanks for your very generous offer. If Duncan finds a platform then I obviously wont need dimensions but I might contact you if Duncan hasnt got one.

Re the spacers the query I have is: Is the platform centred on the engine plates? I.e. are the spacers at each side the same length? If you could measure the spacers that would be a great help.

John.

You will only discover spacers required when you come to fit the cover complete with mag, sprocket and chain. And only then. As you only have one single option.
having just assembled the platform ON the bike with mag sprocket chain etc. all in place. Move the assembly side to side until you have the chain in line. THAT is a must. What ever spacers you may believe to be correct, may not be so, if you have a miss match of parts/years /models. You may find spacers theory any side incorrect. you may need spacing between platform and engine plates. Don't forget washers also. Spacing must ensure the chain & sprockets line up.

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Re: Front Magneto Platform Question

Postby George Kaplan » Wed Feb 13, 2019 7:49 pm

Thanks Rob. I will get a platform and mag and offer it all up and make the parts to suit the required alignment.

John

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Re: Front Magneto Platform Question

Postby spookefoote1956 » Wed Feb 13, 2019 8:08 pm

I do agree with Rob but in answer to your question. The platform is not centrally mounted and the spacers are on one side only.

Cheers, Chris
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Re: Front Magneto Platform Question

Postby clive » Thu Feb 14, 2019 4:48 pm

Also the slots in the platform allow some movement of the magneto to help line up the mag sprocket with the one on the exhaust cam.
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Re: Front Magneto Platform Question

Postby Duncan » Sat Feb 16, 2019 11:32 pm

John, Found one, if its what you want let me have your address via a private message.
Mag Platform.JPG
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Re: Front Magneto Platform Question

Postby George Kaplan » Sun Feb 17, 2019 12:06 pm

Hi Duncan, yes thats the one I need. I have sent you a pm.

Thanks very much,

John

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