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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.

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  #1  
Old 14 Jan 2005
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3AJ - What version?

I understand that there are 2 versions of the 3AJ motor. (MK1 and MK2?) How do I tell which version is which?

I need to know how to tell the difference between a 3AJ-1 and a 3AJ-2 motor.

Could somebody tell me how I would be able to tell this by looking at the engine number?

Thanks
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  #2  
Old 14 Jan 2005
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You may like to review this old post:
http://www.horizonsunlimited.com/ubb...ML/000753.html
Titled "tenere comparisons".

Geoff
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  #3  
Old 14 Jan 2005
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I have an 89 3AJ with a grey engine casing, my wifes 89 1VJ has a black casing and 88 3AJs had black casings . All the casings have magnesium writen on them so its colour differences on the lkater models only from the outside.

Charlie
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Old 15 Jan 2005
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GeoffE and Braindead

Thanks for the link and the help.

skylark_za
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  #5  
Old 15 Jan 2005
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The mk2 has a longer oil cooler. This is (I think) the simplest way of telling them apart...

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