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Profile | Advertised Timings | DURATION | VALVE LIFT | TAPPET | REMARKS | ||||||||||
Ex Op. | Ex Cl | In Op. | In Cl | Advertised | @ 0.050 | Gross. | @ T.D.C. | Ex. | In. | ||||||
659 | 45 | 5 | 5 | 40 | 230 | 225 | 0.320 | 0.320 | 0.004 | 0.002 | Standard XR600 | ||||
385 | 57 | 17 | 19 | 55 | 254 | 254 | 0.360 | 0.370 | 0.006 | 0.004 | Mild | ||||
747 | 56 | 31 | 31 | 56 | 267 | 267 | 0.340 | 0.355 | 0.006 | 0.004 | |||||
399 | 68 | 27 | 32 | 63 | 275 | 275 | 0.375 | 0.375 | 0.006 | 0.004 | |||||
951 | 65 | 31 | 33 | 63 | 282 | 282 | 265 | 265 | 0.380 | 0.380 | 0.006 | 0.004 | Enduro | ||
535B | 73 | 37 | 40 | 70 | 290 | 0.400 | 0.400 | 0.006 | 0.004 |
Notes: -Profiles suitable for the XL500,600 and the spline and flange drive.
-Valve timings are at 1mm valve lift.
-New camshafts available.
-Hardfaced rockers are recommended with hardface camshaft.