Since the original 570cc 1984 liquid cooled engine was custom built by BKS and never actually produced by Husqvarna an original motor is almost impossible to find.
This is a 2000 TC 610 engine that will have to do.
Engine cases thoroughly cleaned.
New SKF bearings fitted
Athena seal kit(Same as OEM)
New Wiseco piston fitted.
4 speed TC gearbox replaced with a TE 6-speed so the bike won't be limited to the MX track.
Cam chain replaced.
New gasket kit from Athena
All valves replaced with one piece stainless from G&S valves UK.
Valve seats recut by JPM Helsingborg.
New camshaft bearings fitted
New adjusting screws for the valves.