Rotax 125 MAX evo Repair Manual page 56

3. Fit the bellows over the valve rod housing (1). The bead of the bellows must engage in the
groove in the valve rod housing.
4. Tighten the exhaust valve piston (3) into the valve rod housing (1). Tightening torque 1.2 Nm
(10.6 in.lb)
5. Tension the large hose spring (5) with installation tool part no. 276070.
6. Insert compression spring (6).
7. Tighten the valve cover (7) with 2 TAPTITE screw M5x25 (8).
8. Insert the O-ring 15.9-2.3 (9) into the valve cover.
9. Turn the adjustment screw (10) into the valve cover (7).
Figure 4.22: Exhaust valve piston
______________________________________________________
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0
BRP-Rotax
REPAIR MANUAL
Valve rod housing assy.
1
Exhaust valve piston
3
Hose spring 134-3.0-0.65
5
7 Valve cover
O-ring 15.9-2.3
9
2 Bellow
Hose spring 70-1.7-0.3
4
Compression spring 48.5/0.8 mm
6
8 TAPTITE screw M5x25
Adjustment screw
10
Chapter 4
Page 23