250r

[randall_pitz]

will a 81 motor go on a 84 frame

[RodKnockRacing]

not to sure i do know that the shift shaft for an 81 is longer than a 84

[4cfed]

no.. 81-82s dont mount threw the swinger like 83-84 and most other trikes do

[MonroeMike]

http://www.3wheelerworld.com/showthread.php?97814-1984-Important-Info-when-Putting-on-1982-and-1981-engines&highlight=shifter+shaft+250r