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Tech Tips

Tech Tips

Performance Muffler Install

Most scooters already have a bracket you can attach your new muffler to. If yours does not you MUST install one or your muffler will break off...

 

Windshield Install Instructions

For the mirror mount windshield:   Step 1 To start the installation clear the scooter headset of any other attachments. Find threaded holes...

 

Big Bore Kit Install

The installation shown here is being done on a 139QMB 50cc GY6 scooter engine. I was using a 72cc big bore kit. Installation of larger or...

 

GY6 Valve Adjustment for 50 and 150cc Engines

You must remove your valve cover The top valve is the intake and the one on the bottom is exhaust. Now you need to rotate the motor to get to TDC...