Posts Tagged ‘English’

R2 water pump

I have an old Marna R2 engine, (ca 1980) and the cooling water is not flowing. There is no stoppage in the intake, and water gets to the pump OK. I can not get the pump off, but can see inside a little, and I see it is a gear pump.  It does not appear…

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Running problem petrol engine

Hi Guys, I have a technical question that I hope you can help me with. I have re-assembled my engine, new valves etc. Runs OK but vibrates quite a bit and hunts at low revs. Could this be a coil/condenser problem if so, are they standard specification? Any help would be appreciated. Thanks   Hello,…

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Temperature on MB10A

Questions regarding the temperature on the MB10A engine. Hello The temp on your engine, is a bit high for saltwater, but ok for fresh water. Are you sure that the impeller is ok and that the 90 dgr. bend right after the pump is fully open? This bend has a tendency to grow smaller. Valve clearance cold engine is 0,4 m.m.…

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Carburetor

Questions regarding the Dellorto Carburrator. Hello A new carburetor type Dellorto, special rebuilt for the MB10A a complete set. This carb. is different, as the connection for fuel is by a gasoline resistant hose. You just cut off the copper pipe and put on the hose with clamps, which are included in the set. It builds 5 cm, longer down,…

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Oil leakage: pump or main bearings?

Dear Sirs. I have a MB10A engine that is losing oil prime in pump. I already installed the oil pipe with one way valve, but over long period it still loses prime. I live in the United States and want to know the price in U.S Dollars for new oil pump gear and housing. I…

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