Preliminary Operations; Kit Preparation - TOP Perfomance 9930000 Manual Del Usuario

1) 1 Cylinder Ø 47 mm in "MINACROM" cast iron (with chrome
added to the alloy)
2) 1 Piston Ø 47 mm with high silicon content and antiscuff
facing
3) 1 Piston ring Ø 47 with chrome facing
4) 1 Piston gudgeon pin Ø 10 x 38 mm
5) 2 Gudgeon pin circlips
6) 1 Head Ø 47
7) 1 Cylinder base gasket
8) 1 Aluminium head gasket
9) 1 Reed valve gasket

PRELIMINARY OPERATIONS

– Carefully wash the vehicle, specially the engine part installation
area.
– Remove muffler, spark plug and air conveyors.
– Loosen the head nuts. Carefully remove cylinder head, cylinder and
piston.
- Check connecting rods. If not in good conditions, we would
recommend to replace it with new one.
– Carefully check that inside the new cylinder (1) there is no foreign
matter. With a scraper, bevel all transfer ports on the cylinder barrel.
Wash it with suitable solvent and blow with air.
– Wash with suitable solvent and blow all parts in the kit to eliminate
any possible machining residues.
– Use a clean rag to protect the crankcase opening so as to avoid
foreign matter from accidentally entering. Carefully proceed to
cleaning the mating surface of cylinder with crankcase.
We believe that we share the common wish to make your scooter even
more powerful and faster.
We would like to suggest a "race ready" recipe that, if carefully followed,
will not disappoint you.
THE KIT CONSISTS OF:
ASSEMBLY INSTRUCTIONS

KIT PREPARATION

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