Technical information

C
32 08.06
CHAPTER
PAGE ISSUE
TWO-STROKE ENGINE AM6
ENGLISH
SECTION 2
C - ENGINE
Minarelli Engine
F.60
F. 59
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 exhaust side (F.59),
and therefore towards the piston pin and its circlips.
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). Tighten 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.