CDI interchange ???

I am bidding on the second ebay item already... I tried finding a part # for the 1980 CDI but no luck it isnt even listed on the yamaha website.
 
Ok I was wrong that yamaha website did have the numbers.. But It was sort of cofusing

8V0-85540-21-00 1986et340
8N4-85540-20-00 1985
8N4-85540-20-00 1984
8N4-85540-20-00 1983
8N4-85540-20-00 1982
8H4-85540-20-00 1981 et300
8H4-85540-20-00 1980 ET340 my snowmobile
8H4-85540-20-00 1979
8G8-85540-20-00 1978

8V0.85540.21 1984-86ET340 MFGsupply

The MFG website claims the cdi is good for 84-86 but they have different #'s. I know a 1978 Cdi works cause I have tried it but still need a replacement. So am thinking the center number the 85540-20-00 is the important # but who knows?
 
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UPDATE Found a buddy with a 86 phazer and tried the cdi, It did not work. It ran poorly so I am thinking the timing curve for the phazer is not the same.
 
80enticeryami said:
UPDATE Found a buddy with a 86 phazer and tried the cdi, It did not work. It ran poorly so I am thinking the timing curve for the phazer is not the same.

good to know, did you ever check ebay,there were a few listed??
 
I did win one auction for a enticer 300 cdi for 15 + shipping. The part number for the 300 and 340 is the same according to the yamaha parts online page.. Haven't got it yet to know for sure
 


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