Exhaust Bolt Hole Spacing: 2 inches (51 mm ) Inner diameter at the cylinder head (18 mm) Overall Length: 26 inches Length: 13 inches Exhaust Pipe Length: 13 inches Product description Complete exhaust for QMB139/50cc 4 Stroke Engines and 10 inch wheels.

Fits 50cc/100cc 4 Stroke GY6/QMB139 Engines with 10 inch wheels.

Note: 12 inch wheel engines usually require a longer exhaust that in most cases is attached to the RH shock absorber.

All Tao-Tao, Peace, Iceberg, Roketa, Baja, Baccio and many more scooters with 50cc 4 stroke engines. ATM50 , VIP50 etc.