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Cylinder Head Identification and Induction Manifolds
| Part No. |
Code |
Description |
| 06-0988 |
RH 1 |
750cc standart; 30mm port |
| 06-1391 |
RH 2 |
750cc "Plumstead" Commando |
| 06-3677 |
RH 3 |
750cc "Wolverhampton" Combat |
| 06-3830 |
RH 4 |
850cc Standart; 32mm Port |
| 06-4048 |
RH 5 |
750cc as Rh1 but 32mm port |
| 06-4097 |
RH 6 |
750cc as RH1 but .020" off face, 32mm
port |
| 06-4854 |
RH 7 |
750cc Short Stroke |
| 06-4884 |
RH 8 |
750cc Short Stroke Race Kit |
| 06-5113 |
RH 9 |
850cc High Performance |
| 06-5507 |
RH10 |
850cc standart, as RH4 but 30mm port |
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Note: The "RH"
code is stamped above the right hand exhaust rocker cap.
Induction Manifold Types
| 06-2711 |
32mm parallel bore |
| 06-2819 |
30mm parallel bore |
| 06-5196 |
32mm carburettor; 30mm head |
All the above information
taken from a mid-1980s Norton Motors Ltd Service Information written by
Richard Negus.
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