This is especially important when using a small battery in a horseshoe oil tank

- Direct bolt-on replacement for stock Amal carburetors

Specific Fitment: Designed to be a perfect fit over any 1-3/4" outside diameter exhaust pipes for a simple installation

1-5/16"-12 thread

Replacement for OEM # 97-1645

#7812-12 Inner Primary Mounting Kit - 1955-1964 Harley-Davidson Panhead Motorcycle Specific_Yamaha XS650 This is especially important whenThis complete inner primary mounting kit contains reproductions of original Harley Davidson hardware used to mount a stamped steel inner primary cover to the crank case and frame on Panheads 1955 1964. Made in Ohio, USA.