6340 - 46cc / 47cc FAT BOY GP460 Reed Case Long Block - Goped Tech note: Just about any

Tech note: Just about any CY/Zenoah

CNC porting and hand finishing is all done in-house by the OBR staff

We have seen horsepower and torque numbers we never thought possible out of engines this size

The deck height has been raised 3mm to prevent the need of a cylinder spacer

6340 - 46cc / 47cc FAT BOY GP460 Reed Case Long Block - Goped Tech note: Just about anyComplete fully modified ported GP460 GP470 long block for goped use. Long blocks are complete as shown in picture with reed crankcase, crankshaft and fully modified top end. Exhaust is not included and we recommend a Jetpro Rhino pipe to match. Transfer bowls have been modified so that a stuffing mod is not required like a stock case to increase power. Intake tract, reed valve and transfer bowls were in house flow tested and dyno tested to produce as