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    8hp Timing adjustment procedure

    Hello All, Just finished rebuilding my 2003 Tohatsu 8hp, 2 stroke. Replaced piston rings and reassembled. Motor running pretty well but seems to have a random misfire at all speeds. Using 25:1 fuel in accordance with break-in procedure. Engine has one hour of operation so far. New spark plugs...
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    Cylinder Head Water Jacket Hole

    I had poor compression on one cylinder of 2003 Tohatsu 8B 2 stroke engine.Took off head & found corrosion in water jacket. As I cleaned up corrosion a hole opened up at lower corner of water jacket. I am uncertain if it is part of design or at least ok as part of water system or I have to weld...
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    8Hp Tohatsu Upper Engine Cowling

    Hello All, Took my boat out to sea and lost the upper engine cowling off the 2003 8 Hp Tohatsu auxiliary outboard. It popped off at some point never to be seen again. Wondering how to replace it without $450 bill for a new one. Any ideas? Thanks, David
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    Johnson 70hp Engine stops running on acceleration

    I have a 1980 70hp Johnson; J70TLCSA. Have taken it out a couple times to water ski. Both times the motor stops running upon adding power to pull the skier. If I add power slowly then I can get the power to full and it runs fine there. It is the acceleration that seems to be a problem. I have...
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    Need Johnson Std 3 Piston assembly

    "Looking for a fully assembled "Looking for a fully assembled and used standard size (3") piston assembly with connecting rod (320953), screws, etc minus rings. Engine J70ELCSA; 1980 70 Hp, Johnson, plus shipping cost to Coffs Harbour, NSW, Australia 2450."
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    How to polish 70hp cylinder walls

    "I have some surface damage to "I have some surface damage to a couple of cylinder walls in 1980 70Hp Johnson. What would I use to polish out the damage? What would be best to polish out damage on piston sidewalls as well? Thx, Dave"
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    Water jacket corrosion 70Hp

    I found a significant bit of w I found a significant bit of white corrosion in the water jacket just under the power head and sharing a wall with the exhaust manifold. I suspect the area of damage is 10-15mm round and 1/2 the wall thickness deep. If it were continue to corrode it would create a...
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    J70TLCSA parts

    The plated riveted to the side The plated riveted to the side of the motor reads J70TLCSA. Below that is 669222. J70TLCSA is not recognized when I type it in the parts search engine. Can I use J70ELCSA parts without worry?
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    What now 70Hp power head repair

    I ran the engine without 2 str I ran the engine without 2 stroke oil for about 10 minutes at a moderate power setting. See old post for details. Cylinders are out. The top and middle cylinders are scored as are the pistons walls. The lower piston and walls appear fine. The crank appears fine...
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    Connecting Rod and Cap Alignment

    "Hello all, Disassembly of 70h "Hello all, Disassembly of 70hp Power Head. I don't understand the manual that states "11. Check connecting rod and cap alignment with a pencil point or dental pick. Alignment should be correct at 3 of the 4 corners. Record alignment points of each cap for...
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    Bolt removal 70hp Johnson

    "I am trying to remove the Pow "I am trying to remove the Power Head from the Adapter assembly. The two forward bolts that hold the power head to the adapter assembly are in a very awkward spot to remove. Can you suggest a method to remove them? Many thanks, David"
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    Johnson 70 HP J70TLCSA Year built

    "I see similar Model numbers f "I see similar Model numbers for 1980; J70ELCSA but not J70TLCSA. Are they same year? Similar? Mine is J70TLCSA. Cheers, Dave"
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    70 Hp Johnson Engine run without oil in fuel

    "Yes I feel like a A-1 complet "Yes I feel like a A-1 complete idiot. Bought two new tanks to replace old rusted one. Engine running great on fuel tank #1 with 50:1 oil mix. Switched to fuel tank#2 that contained only unleaded fuel. I had forgot to add the 2 cycle oil. Engine ran at near full...
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