Recent content by chirombo

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    45 to 50/55hp Chrysler piston / ring compatibility?

    Following a gasket failure, overheat and damaged bottom piston on my '67 55hp 5561 motor (the head, cylinder block and crank are undamaged), I am now looking for an economical piston repair, if possible. I was gifted some 45hp pistons (when I owned a 45) part SA435015, 010 oversize and...
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    '67 Chrysler 55hp Model 5561 Upper Thrust Bearing?

    My motor has a damaged upper bearing where the races have dropped out, that I am unable to remove. I'd imagine it should be a press fit, but my early 50hp manual and the later mid 70s 55hp aren't specific. My eyes aren't what they were, but it looks like it has a thread? Is this the case?
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    Yamaha analogue tachometer wiring

    I have a old style Yamaha outboard tach I bought recently and need help with the wiring. I've searched my manual and the net without much success. On the back of the gauge are 4 terminal posts labelled 12,B,6 and G. 12 is unconnected 2 black wires connect to B, one is cut (I assume it runs...
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    Rebuilt Johnson 3hp Cutting out

    I have a nice 3hp JHR22C, serial number C529256 which dates from the 60's. I have rebuilt it with new carb kit, coils, points, condensers, cylinder head gasket and decoked the head and cleaned water channels. I can get it started fine and it will stay on the start setting or retarded to a slow...
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    4HP YACHTWIN FUEL PUMP

    I've stupidly dismantled the fuel pump on my early 1970s Yachtwin, without noting everything down...My manuals have no exploded views of the fuel pump which both tell me that this is a replacement item - I have the gaskets, diaphrams and 75% of the jigsaw, but does anyone know where I can get...
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    60's Evinrude 4HP

    Have just bought 2 Evinrude 4's, model 49B6B serial numbers B7240 and B7251 both of which I'd like to get running for next summer - they're Belgium built, can anyone tell where to go to check actual build year for Evinrude / Johnson? Also would be interested to hear the general view of these...
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    Evinrude 9.5 Throttle Tiller arm

    Was cleaning up the tiller of my '73 9.5 (model 9322). Unscrewed the nut holding the plastic grip, promptly had the spring followed by the washer shoot out, and then the rod that runs on the gears at the base of the tiller arm dropped out onto the floor. It took me ages to get back in with the...
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    Mercury 4.5 Gear Lube Colour, Year

    Just drained the lower unit on a 4.5HP I got last weekend. Oil was blue green, but no evidence of water and roughly 100ml came out. The refill with Quicksilver gear lube was normal brown gear fluid. 5queries - Is the old green colour normal in some gear fluids? Was the small amount drained out...
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