TOP perfomances 9925650 Manual De Instrucciones página 7

No. Q.ty Description
1) 1 Cylinder Ø 40 mm in "MINACROM" cast iron
2) 1 Piston Ø 40 mm with high silicon content
3) 1 Chromed top piston ring 1.2 mm thick
4) 1 Lower piston ring 1.2 mm thick
5) 1 Gudgeon pin Ø 12 mm
6) 2 Gudgeon pin circlips Ø 12 mm
7) 1 Head
8) 1 green viton O-ring Ø 51.50 x 1.78
9) 1 Cylinder base gasket, 0.5 mm thick
10) 6 Set of 5 g converter weights
11) 3 Green clutch spring
To reach top performance, it is strictly necessary to use this kit in
combination with special parts specifi cally designed to fully exploit the
potential of this cylinder-piston unit. Among these parts you can fi nd:
9925050
9924900
9925130
To restore heat rating, it is important to fi t 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 muffl er, 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
is no foreign matter. Wash it with fuel and blow with air.
THE KIT CONSISTS OF:
IMPORTANT NOTES
Power Up exhaust
Variotop with spring
Clutch + housing Ø 107
ASSEMBLY INSTRUCTIONS
7