How do you install an exhaust restrictor on a pw80?

To install an exhaust restrictor on a Yamaha PW80, first, locate the exhaust pipe and remove it from the cylinder head by unscrewing the bolts. Once the pipe is detached, insert the exhaust restrictor into the pipe at the designated position, ensuring it fits snugly. Reattach the exhaust pipe to the cylinder head, securing it with the bolts, and double-check for any leaks. Finally, start the bike to ensure the restrictor is functioning properly.