| NATURE OF RELEASE: |
1972 Camshafts and bushes |
| MODELS AFFECTED: |
All Commando |
| DISTRIBUTION: |
Worldwide (For general distribution) |
| EXPLANATION: |
New type camshaft bushes with oil groove are introduced for 1972. To suit these, camshafts are being produced without the figure of eight oil groove which was a feature of previous camshafts. Whilst we shall continue to stock the bushes and camshafts of the previous type for spares purposes, all concerned are alerted to the danger of using a 1972 non-grooved camshaft in pre-1972 non-grooved bushes, which would result in oil starvation and possible engine damage. 1972 camshaft bushes are of smaller outside diameter than previous camshaft bushes and as a result, it is not possible to fit later bushes to an earlier crankcase. No harm would result from using a grooved camshaft in a grooved bush if this should prove necessary at anytime
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| ACTION: |
Ensure that the correct years parts are ordered when replacement camshafts or camshaft bushes are required and on fitting recheck that either the camshaft journals or bushes have lubrication grooves. |
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| February 1972 |
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| Norton Villier Canada Limited |