Lectron Yamaha IT 645 / YZ 645 BIG-AIR Billetron PRO-SERIES Carburettor - 40mm 2-Stroke Carburettor Colour:Anodised Colours Available (See description below) Moto Tassinari and VForce4R decals

Moto Tassinari and VForce4R decals

and give you the unique Akrapovic racing sound

for smoother and cleaner running

Wiseco 83mm Big Bore Pistons

The HEL Performance clutch perch has been machined from solid aluminum billet in a style to match the HEL Performance master cylinders

Lectron Yamaha IT 645 / YZ 645 BIG-AIR Billetron PRO-SERIES Carburettor - 40mm 2-Stroke Carburettor Colour:Anodised Colours Available (See description below) Moto Tassinari and VForce4R decalsIntroducing the BILLETRON PRO SERIES Big Air 40mm 2 Stroke Carburettor 300cc 500cc Now included as standard X Celerator Metering Rod Anodised colours also available Red Blue Orange Black (These have a 14 day lead time from time of order) Please add a colour choice to your basket using the link to 'Carburettor Upgrade Additions' to add to your carb order: Designed and engineered in collaboration with some of the top engine builders in the USA, the