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| MAINTENANCE SPECIFICATIONS |
| SPEC |
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Item | Standard |
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Crankshaft: |
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Crank width “A” | 42.95 ~ 43.00 mm |
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CC (1.691 ~ 1.693 in)
Runout limit C |
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| 0.03 mm | |
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| E |
| (0.0012 in) | |||
Big end side clearance “D” |
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| 0.10 ~ 0.40 mm | 0.50 mm | ||||
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| D | (0.0039 ~ 0.0157 in) | (0.02 in) | |
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Big end radial clearance “E” |
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| 0.010 ~ 0.025 mm | 0.05 mm |
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| A |
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| (0.0004 ~ 0.0010 in) | (0.002 in) | |||||
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Clutch: |
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Friction plate thickness |
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| 2.7 ~ 2.9 mm | 2.6 mm |
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| (0.106 ~ 0.114 in) | (0.102 in) |
Quantity |
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| 5 | |
Clutch plate thickness |
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| 1.1 ~ 1.3 mm (0.043 ~ 0.051 in) | |
Quantity |
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| 4 | |
Warp limit |
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| 0.2 mm | |
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| (0.008 in) |
Clutch spring free length |
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| 26.2 mm (1.03 in) | 24.2 mm |
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| (0.95 in) |
Quantity |
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| 4 | |
Clutch release method |
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| Inner push, cam push | |
Push rod bending limit |
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| 0.5 mm | |
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| (0.02 in) |
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Automatic centrifugal clutch: |
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| 2,160 ~ 2,560 r/min | ||
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| 3,300 ~ 3,800 r/min | ||
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Shifter: |
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Shifter type |
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| Cam drum and guide bar | |
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Kick starter: |
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Type |
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| Ratchet type | |
Kick clip friction force |
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| 5.8 ~ 14.7 N | |
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| (0.59 ~ 1.50 kg, 1.3 ~ 3.3 lb) |
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Carburetor: |
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I. D. mark |
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| 5HN1 01 | |
Main jet |
| (M.J) | #90 | ||||||||||
Main air jet |
| (M.A.J) | ø 1.1 | ||||||||||
Jet needle |
| (J.N) | |||||||||||
Cutaway |
| (C.A) | 2.5 | ||||||||||
Pilot outlet |
| (P.O) | ø 1.0 ⋅ 2.0 | ||||||||||
Pilot jet |
| (P.J) | #12.5 | ||||||||||
Valve seat size |
| (V.S) | ø 1.5 | ||||||||||
Starter jet 1 |
| (G.S.1) | #37.5 | ||||||||||
Pilot air screw |
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Float height |
| (F.H) | 15.5 ~ 16.5 mm (0.61 ~ 0.65 in) | ||||||||||
Fuel level |
| (F.L) | 2 ~ 3 mm (0.08 ~ 0.1 in) | ||||||||||
Engine idle speed |
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| 1,400 ~ 1,600 r/min |
2 - 8