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    Transom Height

    As i mentioned in my post conc VRO i am going to change motor. The former motor was a 35 with short leg, the new i a long legged 40. So i will have to ,make a change in my boat. What is the correct transom height from buttom of V-bottom to overline of transom ?<br /><br />The skeg on motor l/u...
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    Vro pump, how to check

    I just bought a 1988 Evinrude 40HP. Motor had been in water for 8 hrs, delivered to authorized dealer who rinsed and winterpreserved motor. Instruments in boat, battery, harness, starter and remotecontrol electric was damaged. The dealer wrote on the bill " perhaps change of VRO pump " As the...
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    No Spark 25Hp Evinrude 1984

    I am reparing the motor. Bought it on a garage sale. Motor has been sitting 6 yrs ! Compression 125 on both cold, but no spark on both plugs. Looks like brand new under hood, gear is damaged.<br /><br />Disconnected kill wire in connector and pulled starter rope, but still no spark. <br /><br...
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    Grease or Ground

    Gents, a couple of questions<br /><br />Should I grease i exa. head bolts before torquing, or will it give a wrong torque ?<br /><br />When you take compression tests, is it neccesary to ground plug wires to old spark plug to avoid damage to power pack, or dosnt it matter .
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    More compression, More power ?

    When i rebuild my 35Hp Evinrude, i had used parts from 3 motors to choose between.<br /><br />I had two cylinderheads, one with round edges in combustion chambers and one older with sharp edges in combustions chambers. I used the round edged as it was newer. I mesured the room with oil and the...
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    50 HP Evinrude 1983

    I was looking at a 50 Hp 1983 Evinrude i am maybe going to buy.<br /><br />Does anybody have experince with this type/model. What shall i look fore except for compression and water in lower unit. It is running and iddling fine.<br /><br />Is there any weak points on this model ?<br /><br...
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    Which Sparkplug for Evin 35

    When i bought my used 1984 evinrude 35HP it had Champion L77J4 spark plugs, which i continued with. In my manual ( old omc, only up to 1979 ) it says UL-81J or if not available RL-4J. What is correct.<br /><br />Which newer manual do you recommend ?<br /><br />Thanks for all your help.
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    EVIN 25 1974

    I am restoring an old 25HP Evin. It has had an airleak at the top end of crankshaft. Is it OK to install a gasket of the type on the never motors ( i don´t know the english name ) beyond the old gasket, build in the bearing ?. There is room enough between the bearing and the cam for the...
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    Reed Valves and power increase

    I am rebuilding an Evinrude 35 HP now.<br /><br />I once had a Suzuki moped. On this moped, which was power reduced due to restrictions in Denmark, i bent the guides behind the reed valve 1/8 inch back. It gave a lot more top speed. Does anyone know if it will have the same effect om my 35HP...
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    Evinrude 25/35 HP difference

    I am going to rebuild an old engine i have lying this winther. I have a lot of parts from an old Evin 35 hp 1976 with damaged powerhead and a perfect 25 hp 1984 except from a broken gear. I would like to mix the two of them to a 35. I heard the powerhead is the same, except from airintake, reeds...
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    35 HP Evinrude 1984

    Can anybody tell me what compression should be, on this 35 HP, cold motor ?<br /><br />Is is true 25 HP and 35 Hp have same powerhead, except from carbureator and intake plate?<br /><br />Is it same cylinderhead ?<br /><br />Thanks in advance
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    Evinrude 35 HP 1984

    On the last trip of the year my 84 35 HP gradually lost power. It seems to be ignitiom timing, as both plugs have clear blue spark. It can start, but difficult. Hard to get up in RPM. I cleaned carbureator, but it was clean.Motor was not overheated, i could hold my hand on cylinderhead...
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