help from old yamaha heads on Exciter

rvdave@live.com

New member
Joined
Sep 15, 2010
Messages
18
Age
60
Location
ROCKFORD,IL
im looking at a 79 exciter that has some mods and extra parts. I have raced exciters for years, (and probably killed these brain cells off) I cant figure this out.
1. will Gpx heads and ignition cover work on an 79 exciter 440 motor?
2. he says it is a 508 I have never heard of a big bore kit for a 440, possible 540 motor transplant?
Thanks 815-six two 0ne-7293 text
 



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