ENGINE SPECIFICATIONS SPEC
Item |
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| Standard | Limit |
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Clutch |
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Clutch type |
| Automatic centrifugal | ||
Clutch shoe thickness |
| 4.0 mm | 2.0 mm | |
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| (0.1575 in) | (0.078 in) | |
Clutch shoe spring free length |
| 30.5 mm | ||
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Clutch housing inside diameter |
| 107.0 ~107.2 mm | 107.5 mm | |
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| (4.21 ~4.22 in) | (4.23in) | |
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| 87.9 mm (3.46 in) | ||
Compression spring free length |
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Weight outside diameter |
| 14.9 ~ 15.1 mm |
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| (0.587 ~0.594 in) |
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| 2110±140r/min |
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| 2350±150 r/min |
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| 18.0 mm (0.709 in) | 17.0 mm | ||
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| (0.669in) |
Transmission |
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Transmission type |
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Primary reduction system |
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Primary reduction ratio |
| 2.47~0.61:1 |
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Secondary reduction system |
| Spur gear |
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Secondary reduction ratio |
| 41/15 × 45/13(9.462) |
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Max. main axle runout |
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| 0.08 mm |
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| (0.0031in) |
Max. drive axle runout |
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| 0.08 mm |
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| (0.0031in) |
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Carburetors |
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I. D. mark |
| 43D100 | ||
Main jet | (M.J) | #100 |
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Air jet | (A.J) | 1.0 |
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Jet needle | (J.N) | #4T12 | 1/1 | |
Needle jet | (N.J) | 2.090 | H5.5 | |
Pilot jet | (P.J) | #32 |
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Valve seat size | (V.S) | 1.6 |
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Fuel level | (F.L) | 5.0 ~ 6.0 mm (0.20 ~ 0.24 in) | ||
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| Above the float chamber mating |
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| Surface | ||
Engine idle speed |
| 1,600 ~ 1,800 r/min | ||
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