Blue Line Starter Motor; 139QMB, GY6 50 Vespa GTV this bolt-on upgrade delivers up
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Description
Blue Line Starter Motor; 139QMB, GY6 50 Vespa GTV this bolt on upgrade delivers up this bolt on upgrade delivers up to a 36% increase in horsepower over the stock 125cc configuration — all with a complete gasket set and hardware included for a clean this kit delivers the ideal balance between high performance output and long term daily reliability — increasing torque and top end speed without sacrificing durability