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 GRPRO26-I: Capacity:26cc
 GRPRO50-I: Capacity:50cc
 GRPRO100-I: Capacity:100cc

 GRpro50ccTwin-I: Capacity:50cc
 GRpro45-I Single Capacity:45cc
 GRpro65-I Single Capacity:65cc
 GRpro150ccTwin-I: Capacity:150cc