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| Profile Number |
Advertised
Timings |
DURATION |
VALVE
LIFT |
TAPPET CLEARANCE |
REMARKS |
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| Ex
Op. B.B.D.C. |
Ex
Cl A.T.D.C |
In
Op. B.T.D.C. |
In
Cl A.B.D.C |
Advertised |
@
0.050" |
Gross. |
@
T.D.C. |
Ex. |
In. |
|
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| 671 | 63 | 37 | 38 | 66 | 280 | 284 | 220 | 224 | 0.330" | 0.330" | 0.008" | 0.006" | STD GSXR 750 | ||
| 1323C | 224 | 224 | 0.008" | 0.006" | STD GSXR 600 | ||||||||||
| 672 | 65 | 39 | 40 | 68 | 284 | 288 | 225 | 229 | 0.345" | 0.375" | 0.008" |
0.006" | |||
| 685 | 65 | 39 | 42 | 70 | 284 | 292 | 226 | 238 | 0.357" | 0.0342" | 0.008" | 0.006" | STD GSXR 1100cc / stage2 750cc | ||
| 746 | 73 | 47 | 48 | 76 | 300 | 304 | 228 | 230 | 0.308" | 0.332" | 0.008" | 0.006" | stage 1 gsxr 1100cc | ||
| 884 | 79 | 43 | 46 | 76 | 298 | 302 | 236 | 248 | 0.370" | 0.370" | 0.008" | 0.006" | |||
| 629C | 71 | 47 | 50 | 70 | 298 | 300 | 246 | 246 | 0.370" | 0.370" | 0.008" | 0.006" | Fast Road | ||
| 867C | 75 | 47 | 52 | 72 | 302 | 304 | 255 | 255 | 0.382" | 0.382" | 0.008" | 0.006" | Fast Road Race | ||
| 752 | 74 | 48 | 49 | 77 | 302 | 306 | 262 | 264 | 0.345" | 0.375" | 0.008" | 0.006" | Drag only | ||
| 796 | 76 | 50 | 50 | 78 | 304 | 308 | 268 | 270 | 0.420" | 0.390" | 0.008" | 0.006" | Drag only | ||
Notes -
* Same profiles used for both 750, 1100 and 1300cc engines
* Not suitable for the "M" or "WN" Models.
* Valve springs and retainers must be changed over 0.360" lift.
