15. Turn the crankshaft two or three times (holding the cylinder with
your hand) to ensure engine is correctly assembled.
16. Fit the O-ring (8) on the head by spreading a thin layer of grease.
17. Fit the head (7) with the arrow pointing to the exhaust.
18. Tighten the head nuts in a cross pattern and in several steps to a
torque of 1.2±0.1 kgm (approx.12±1 Nm).
19. Fit cover, air conveyor, and the NEW spark plug (see section
"Important notes").
To break in the new components properly, avoid reaching top speed
for approximately 300 km.
9927210
9927211
9910380
9910381
9915880
9927220
Warranty is limited to the replacement of parts recognised as faulty
by Motorparts S.r.l.. Our products should never be fi tted to a vehicle
for which compatibility is not indicated.
Warranty does not cover:
a) changes or tampering with the product;
b) incorrect assembly or use;
c) replacement of kit parts with parts not Top Performances;
d) use of the product in non-standard conditions.
Pictures, data and specifi cations given in this manual are not binding.
Motorparts S.r.l. reserves the right to make changes for any reason
whatsoever, be it for update or improvement, even without notice.
WARNING
SPARE PARTS
Piston Ø 40 mm
Piston Ø 40,5 mm
Piston Rings set Ø 40 mm
Piston Rings set Ø 40,5 mm
Head
Standard gaskets
WARRANTY
9