webber Posted December 3, 2008 Report Share Posted December 3, 2008 We have a small sweeping machine in our workshops for repair to the gas system. The compression is quite low. We would like to know what the compression test should read, and what are the valve clearances, and procedure for adjustment. We can obtain a manual for around £30, but this would just go on the customers bill. Can you help? webber Quote Link to comment Share on other sites More sharing options...
richie76 Posted December 3, 2008 Report Share Posted December 3, 2008 Ring the manufacturer of the sweeping machine webber and they should be able to tell you. or put you in touch with some 1 that can advise you.. Failing that ditch that engine and put a nice reliable honda 1 in instead Quote Link to comment Share on other sites More sharing options...
artful badger Posted December 3, 2008 Report Share Posted December 3, 2008 (edited) any petrol engine needs between 100-120 psi to work properly, any less than 90 and its time for a new piston. sorry, dont know what the clearances are. Edited December 3, 2008 by artful badger Quote Link to comment Share on other sites More sharing options...
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