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| ENGINE SPECIFICATIONS |
| SPEC |
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| Item |
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| Standard |
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| Limit |
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Rocker arm/rocker arm shaft |
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Rocker arm inside diameter |
| 10.000 ~ 10.015 mm |
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| 10.100 mm | ||||||||||||
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| (0.3937 | ~ | 0.3943 | in) |
| (0.3976 | in) | ||
Rocker arm shaft outside diameter | 9.972 ~ 9.987 mm |
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| (0.3926 | ~ | 0.3932 | in) |
| (0.3902 | in) | ||
clearance | 0.013 ~ 0.043 mm |
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| (0.0005 | ~ | 0.0017 | in) |
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Valve, valve seat, valve guide |
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Valve | clearance | (cold) | IN | 0.07 ~ | 0.10 mm |
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| (0.0027 | ~ | 0.0039 | in) |
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| EX | 0.07 ~ 0.10 mm |
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| (0.0027 | ~ | 0.0039 | in) |
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Valve dimensions |
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| B |
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| C |
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| A |
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| D |
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Head Diameter | Face Width | Seat Width |
| Margin Thickness |
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“A” | head | diameter | IN |
| 21.1 mm |
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20.9 ~ |
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| (0.8228~ | 0.8307 | in) |
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| EX | 18.9 ~ 19.1 mm |
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| (0.7441~ | 0.7520 | in) |
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“B” | face | width |
| IN | 1.50 ~ | 1.80 mm |
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| (0.0591~ | 0.07.9 in) |
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| EX | 1.50 ~ 1.80 mm |
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| (0.0591~ | 0.0709 | in) |
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“C” seat width |
| IN | 0.8 ~ 1.1 mm |
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| 1.6 mm |
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| (0.0315 | ~ | 0.0433 | in) |
| (0.0630 | in) | ||
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| EX | 0.8 ~ 1.1 mm |
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| 1.6 mm |
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| (0.0315 | ~ | 0.0433 | in) |
| (0.0630 | in) | ||
“D” | margin thickness | IN | 0.5 ~ 0.9 | mm |
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| (0.0197 | ~ | 0.0354 | in) |
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| EX | 0.6 ~ 1.0 mm |
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| (0.0236 | ~ | 0.0394 | in) |
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Stem outside diameter | IN | 4.975 ~ 4.990 mm |
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| 4.900 mm | ||||||||||||
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| (0.1959 | ~ | 0.1965 | in) |
| (0.1930 | in) | ||
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| EX | 4.955 ~ 4.970 mm |
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| (0.1951~ | 0.1957 | in) |
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Guide inside diameter | IN | 5.000 ~ 5.012 mm |
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| 5.030 mm | ||||||||||||
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| (0.1969 | ~ | 0.1973 | in) |
| (0.1980 | in) | ||
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| EX | 5.000 ~ 5.012 mm |
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| 5.030 mm | |||||
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| (0.1969 | ~ | 0.1973 | in) |
| (0.1980 | in) | ||
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2 - 5