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| Honda CRF 450 X (05-07) SOHC 4v |
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| Part #: |
57-072 |
| Grind: |
415/416 |
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Intake |
|
Exhaust |
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| Valve Lash (Inch): |
.006 |
.009 |
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| Valve Lift (Inch): |
0.432 |
0.350 |
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| Valve Lift (mm): |
10.97 |
8.89 |
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| Advertised Duration: |
293° |
296° |
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| Duration @ 0.050": |
260° |
260° |
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| Lobe Center: |
110° |
104° |
= 107° Overall |
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Intake
Opens |
20° |
Before
TDC |
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Exhaust
Opens |
54° |
Before
BDC |
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Intake
Closes |
60° |
After
BDC |
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Exhaust
Closes |
26° |
After
TDC |
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Valve Timing Is Checked With Zero Valve Lash
@ 0.050 Inches Of Valve Lift. |
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Open Monday - Friday, 8:00am - 4:30pm Pacific
Phone: 951.369.5144
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