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This reduces the load on the crankshaft
2013-2018 & 2019-Current EFI models
It will be for competition only
It's the perfect solution to prevent knees from smacking the bars
145cc S-Stage Bore Up Kit w/ N-10 Cam - 22+ Grom JC92 green This reduces the load onFitment22+ Honda Grom (JC92 10000011099999) S stage bore up kit 145cc By changing the cylinder and piston, the displacement can be changed from normal 124cc to 145cc. By installing together with FI controller TYPE e (injection controller), it realizes torqueful output characteristics different from normal. The cylinder adopts an aluminum steel sleeve cylinder. Bore diameter 54mm Stroke 63. 1mm (normal) Compression ratio 11. 2: 1 cylinder can be
