Page 6-3: High Pressure Pump
Boxxer 421
Figure 6-1 Servicing the Valves
Removing the High Pressure Manifold
1. Using an M6 allen wrench, remove all eight of the socket head bolts.
2. Rotate the crankshaft by hand to start separation of the manifold head from
the crankshaft.
3. Insert two flat-head screwdrivers on opposite sides to further separate the
manifold from the crankshaft.