Leonardo 250-300 Repair Manual 2004 - Wheels Academy
Leonardo 250-300 Repair Manual 2004 - Wheels Academy
Leonardo 250-300 Repair Manual 2004 - Wheels Academy
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FUEL SYSTEM<br />
LEONARDO <strong>250</strong> - <strong>300</strong><br />
Key:<br />
1. Float<br />
2. Complete membrane<br />
3. Cap<br />
4. Screw<br />
5. Screw<br />
6. Pin<br />
7. Metering rod stopper<br />
8. Grommet<br />
9. Gasket<br />
10. Fuel inlet valve<br />
11. Complete control valve<br />
12. O-ring<br />
13. Screw<br />
14. Full-power jet<br />
15. Idling jet<br />
16. Plug<br />
17. Screw<br />
18. Spray nozzle<br />
19. Complete membrane<br />
20. Screw<br />
21. Gasket<br />
22. Screw<br />
23. O-ring<br />
24. Screw<br />
25. Screw<br />
26. Sensor<br />
27. Membrane cover<br />
28. Membrane + cover<br />
29. Spring<br />
30. Membrane<br />
31. Tapered metering rod + membrane<br />
32. Complete idle adjusting screw<br />
33. Spring<br />
34. Complete air screw<br />
35. Screw<br />
36. Complete tapered metering rod<br />
PARTS<br />
SPECIFICATIONS<br />
<strong>250</strong> cc<br />
SPECIFICATIONS<br />
<strong>300</strong> cc<br />
Intake manifold - Ø 28 4HC<br />
Reg. number or name 5 SE A1 TK 5SE<br />
Throttle tube Ø 28 mm Ø 28 mm<br />
Connection To be fitted with nuts To be fitted with nuts<br />
Float 10.5 g 10.5 g (float chamber level from surface<br />
0.5 mm)<br />
Fuel inlet metering rod sear Ø 2.5 mm Ø 2.5 mm<br />
Float chamber Ø 6.5 mm -<br />
Starting (man/auto) - AUTOCHOKE<br />
Starter jet Ø 0.45 mm (1) 0.54 mm (2) Ø 0,45 mm / 0,54 mm<br />
Metering rod PTC / position. 1P71 / (2/3) 1P71 / (2/3)<br />
WAX temp. - (3.0 mm 24°C)<br />
Throttle 11t = 1,0 11t = 1,0<br />
Valve spring 30X-14334-00 5SE-14286-00<br />
Idle jet 44 #44 (Ø 0.8x2x4)<br />
Full-power jet 120 122<br />
Min. air hole Ø 0.90 mm -<br />
Max. air hole Ø 1.20 mm -<br />
Throttle valve (5.5 – Ø 3.0) mm h at min. level – int. hole 5.5 – Ø 3.0<br />
Spray nozzle Ø 2.585 mm (marked 85) Ø 2,585 mm<br />
Tapered metering rod / pos. SD 32 / (3/5) SD 32 / (3/5)<br />
Rpm open mixer screw 1 ± 1/2 2 ± 1/2<br />
Choke tube tubing d.d. -<br />
Notes Idle circuit heating, without TPS Idle circuit heating<br />
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