TOP Perfomance 9924890 Manual De Instrucciones página 7

No. Q.ty Description
1) 1 Cylinder Ø 47 mm in "MINACROM" cast iron
2) 1 Piston Ø 47.6 mm with high silicon content
3) 1 Chromed top piston ring 1.5 mm thick
4) 1 Lower piston ring 1.0 mm thick
5) 1 Gudgeon pin Ø 12 mm
6) 2 Gudgeon pin circlips Ø 12 mm
7) 1 Head
8) 1 Aluminium head gasket 0.5 mm thick
9) 1 Cylinder foot gasket, 0.5 mm thick
To reach top performance, it is strictly necessary to use this kit in
combination with special parts specifically designed to fully exploit the
potential of this cylinder-piston unit. Among these parts you can find:
9925050
9924900
9924990
9925130
To restore heat rating, it is important to fit a spark plug of the type
NGK B9HS / BR9HS, or other ones having the same heat rating.
Have the carburation adjusted to the new cylinder-piston unit by a
professional mechanic.
1. Clean installation area thoroughly.
2. Remove muffler, spark plug, air routing covers.
3. Loosen the four head nuts. Carefully remove head, cylinder and
piston.
4. Check connecting rods. If not in good conditions, we would
recommend to replace it with new one.
5. Carefully check that inside the ducts of the new cylinder (1) there
THE KIT CONSISTS OF:
IMPORTANT NOTES
Power Up exaust
Variotop with spring
"Power Up" Kit
Clutch + housing Ø 107
ASSEMBLY INSTRUCTIONS
7