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Make:HONDA ROCKER RATIO 1.5:1 Model:CS XL XR 185cc 200cc |
| Ivan Tighe Engineering Pty Ltd Tel (07) 3271 6001 Fax (07) 3271 6005 Email: sales@tighecams.com.au |
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Profile |
Advertised Timings |
DURATION |
VALVE LIFT |
TAPPET |
REMARKS |
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Ex Op. |
Ex Cl |
In Op. |
In Cl |
Advertised |
@ 0.050 |
Gross. |
@ T.D.C. |
Ex. |
In. |
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588 |
40 |
10 |
10 |
40 |
230 |
230 |
0.412 |
0.385 |
0.006 |
0.004 |
Standard @ 1mm valve lift |
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399 |
79 |
45 |
50 |
70 |
300 |
300 |
0.412 |
0.412 |
0.006 |
0.004 |
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356 |
78 |
39 |
47 |
70 |
297 |
297 |
0.435 |
0.485 |
0.006 |
0.004 |
Road race |
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356S |
75 |
42 |
47 |
70 |
297 |
297 |
0.435 |
0.485 |
0.006 |
0.004 |
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927 |
76 |
44 |
44 |
76 |
300 |
300 |
0.465 |
0.465 |
0.006 |
0.004 |
Road race |
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Notes: -New camshafts available for some models.
-Valve springs recommended for all improvements.
-Late model 125cc engines use the 200cc cylinder head.