- Remove pins and rocking levers by the transmis-
sion side holes.
Removing the cylinder head
- The head removal operation is carried out in two separate stages, first on the rear cylinder, then on
the front one.
- If the heads are removed with the valves and the camshaft, follow the recommendations.
N.B.
THE PROPER TIMING IS NECESSARY DURING THE FITTING PHASE. THE HEADS MUST BE
CORRECTLY REMOVED WITH THE PISTONS AT TDC AND THE VALVES CLOSED.
- Remove the rear cylinder head following the indicated operations.
CAUTION
REMOVE THE HEADS AFTER PERFORMING THE TIMING OPERATION.
- Perform timing of the front cylinder (rotate the crankshaft by 270° towards the engine direction of
rotation), then remove the head following the indicated operations.
- Remove the engine rpm sensor and water tem-
perature sensor, these two components are only
fitted on the rear cylinder head.
GP 800 i.e. Engine
ENG - 49