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I'm doing the research but it seems to me that it's more of a 'fail safe ' thing than a proven fact. I'm in the middle of a rebuilding my engine that failed due to overheating , not oil pump failure. I like the idea of not having to mix gas and would like very much to leave the VRO system in...
Re: 1990 90 hp Johnson V4 cylinder burn down
Here's the photo, as you can see it's definately started to melt. Very little damage to the cylinder wall, so a bore or even a hone will fix it. Just wondering how this could happen. I've had this on fan cooled snowmobile engines before and it was a...
I just picked up a winter project yesterday and tonight I dove into it. Like the title says I have a melted top of one of the pistons but the other 3 look great. I knew the engine had problems but I bought the boat on a gamble. I was just wondering if anyone could tell me why only one piston...
does any one no what the little black plastic venturi looking part is inside the carb throat ? Mine is broken off on one of the side wing parts and I was wondering is it possible to run it without ??? I tried the merc parts online microfishe but it's closed.
Driving me nuts !! I run high test gas with synthetic oil 50 : 1 mix> Engine completely dies when you lower throttle below 3/4 position. tried the jet adjusting new line cleaned carb thouroughly twice. Even switched to an electronic ignition module, still no better. I had it run smoothly once...
