Installing The Valves - MOTO GUZZI Stelvio 1200 NTX Service Manual

Engine
INLET VALVE SEAT DETAIL DRAWING
OUTLET VALVE SEAT DETAIL DRAWING
- If the width of the mark on the valve seat is larger than the prescribed limits, true the seats with a 45°
milling cutter and then grind.
- Replace the head in case of excessive wear or damage.

Installing the valves

NOTE
THE FOLLOWING OPERATIONS REFER TO REMOVING ONLY ONE HEAD BUT APPLY TO BOTH
HEADS.
•
Place the valve guide oil seal (4) in the
head.
•
Place the lower cap (5).
•
Place the valve (6) inside the head.
•
Place the spring (3).
•
Fit the upper cap (2).
•
Place the two cotters (1) on the seats
in the valves.
•
By compressing the spring (3) with the
special tool, fit the valve cotters.
Specific tooling
10.90.72.00 Tool for valve removal and refitting
AP9100838 Tool for valve pressure plate
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten
ENG - 138
STELVIO 1200 NTX