RIEJU MRX-SMX 50 Manual De Taller Chasis página 94

Engine Rieju
Engine
22) Before assembly, CHECK the condition of the cage on the piston pin and its rollers.
Fit the piston, making sure that the arrow marked on the top is facing towards the ex-
haust side (F-59), and therefore towards the piston pin and its circlips.
F-59 F-60
23) In the order indicated, FIT the piston rings, making sure that the ends are correctly
positioned in the seats on the piston; a new cylinder gasket; the cylinder; the centre cylinder
O-ring in the stud bolts; the O-ring on the cylinder head; the head (clean beforehand). Tig-
hten the nuts evenly and diametrically (Cs 1.4 ÷ 1.6 kg*m); check the position and tightness
of the O-ring on the cylinder head.
24) FIT the reed valve (F-60), followed by the exhaust manifold, tightening the four screws
evenly and diametrically (Cs 0.9 ÷ 1.1 kg*m).
25) REFIT the flywheel cover, a new gasket and its fixing screws, which must be tightened
(Cs 0.1 ÷ 0.2 kg*m).
26) REFIT the oil drainage bolt, replace the gasket and secure firmly in place (Cs 1.7 ÷ 1.8
kg*m).
27) POUR oil into the engine (0.750 kg) through the hole at the top.
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