1973 TX 650 engine shot! help engine exchange

doug

XS650 Enthusiast
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have 73 TX 650 bad engine can buy 1981 xs 650 engine with 4,038 miles on it ! can i put in 73 bike !! what about wireing ! will it bolt of the same , love to use this engine and carbs person only want $ 175.00 for it , thanks for any help:bike:
 
Yeah it will bolt in. wiring is different because the 81 has TCI ignition and uses a different type of voltage regulator. Good carbs but won't fit/align with the stock air boxes.
 
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