2007 Arctic Cat Four-Stroke Factory Service Manual, Page 168Get this manual
8Loosen the mm cap screws securing the turbo inlet to the turboRemove the turbo inlet and account for the gasket 12Remove the two mm lock nuts and two 10 mm cap screws securing the turbo to the exhaust manifold and account for the gasket
9Using suitable clamping device, clamp off the two coolant hoses; then loosen the hose clamps and disconnect the coolant hoses from the turbo10Remove the three mm lock nuts and two mm cap screws from the turbo outlet; then remove the turbo outlet from the turbo and account for the gasket
INSTALLING
! NOTE: It is advisable to remove the two cap screws securing the water tank to the valve cover for turbo installation purposes