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Old 04-23-2010 | 08:13 AM
  #1191  
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Chris Peralta
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Originally Posted by MMor101
What the difference between the Sport 10, Junior 9, and the Nova N21R?

The Junior 9 is a 3 port square stroke motor that is Nova based.

Sport 10 is a 3 port motor that is made in Taiwan that is based on the K9/K10

The Nova N21R is very similar to the Junior 9, they have the same bore and stroke and are both 3 port engines with standard plugs. I am pretty sure Nova has a new 3 port out (P3??) that is now a long stroke motor.
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