backalleyminies
New Member
hea guys i just put a 49 cc grubee engine 2 stroke engine on one of my 3 wheel bikes ,it run great and starts easy but after you get goin with the clutch fully engaged it make a rattlin kind of noise it is super quiet with the clutch disengaged any one know how to make it quieter ,or does anyone make a kit with out this noise i have seen several you tubes on motorized bikes and most have the same noise