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Old 27 March 2015, 13:22   #51
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Ok got the right barbs ,now is it better to fit b between fuel tank and primer bulb or between primer bulb and engine .Ordered filter yesterday from a company in Douglas I.O.M arrived today can't fault that service .
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Old 29 March 2015, 10:04   #52
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Had a morning working on the engine ,got in line fuel pump in place ,fitted onboard fuel pump kit and ran engine as suggested ,ran sweet for about 10 mins and then nearly died and picked up again ,as it was getting warmer it was getting worse though not cutting out .Removed carbs all seemed ok clean and working apart from the top one noticed it had beads of water in it ,but cleaned them and put new gaskets in place .Turned our attention then to the reeds ,all looked as they should apart from top one had beads of water inside cleaned them all .Now wondering if i have a head gasket problem or worse ,worrying thing is 2 or 3 of the head bolts look as if they aint going to move ,any ideas would be most grateful .
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Old 29 March 2015, 10:25   #53
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if this is the 3cylinder 2stroke then there is no head gasket as the enginge has what is called a 'blind bore' where you cant get to the top of the piston except via the spark plug hole. if water is leaking in somewhere then i would maybe take off the big side plate which allows access to the exhaust and water galleries
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Old 29 March 2015, 10:45   #54
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Originally Posted by Festinghouse View Post
if this is the 3cylinder 2stroke then there is no head gasket as the enginge has what is called a 'blind bore' where you cant get to the top of the piston except via the spark plug hole. if water is leaking in somewhere then i would maybe take off the big side plate which allows access to the exhaust and water galleries
Yes it is a 3 cylinder 2stroke ,ok we thought that all the bolts on the back of the head held the head on ,glad we didn't start taking them out .Standing looking at the back of the engine where the plugs are you mean the side plate to the left hand side .The engine is a 1988 vintage ,clamshell hood.
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Old 29 March 2015, 12:50   #55
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yes thats the one, its possible that water is getting through one of the gaskets there
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Old 29 March 2015, 12:51   #56
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Thanks for the reply the front cover with the spark plugs fitted, could water get into the top cylinder from the thermostat ?

As the top cylinder is the only one which has signs of water?
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Old 29 March 2015, 13:03   #57
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this is a 4 cylinder, but looks identical to the three as far as what lies under the rear cover plate. as you can see there is no way in to the cylinders at this point, the thermostat pokes into the water that surrounds the cylinders
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Old 29 March 2015, 14:21   #58
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Thanks for helpful replies will have the side cover off tomorrow see what we find under there ,will keep you posted. Is that a salt build up ?looks nasty.
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Old 06 April 2015, 12:33   #59
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Well put new gasket on the front head plate,gaskets on water and exhaust housing on left hand side ,carbs cleaned , reeds cleaned all new gaskets fitted .Fuel pump rebuilt ,new fuel pipes ,external filter fitted ,canister spin off type. Engine started first time and apart from initial hesitation ran quite well in tank .Ran it full throttle and tick over for about 30 mins no issues .Now can anyone advise me about carb and timing setting up ,seems quite a lot of slack in remote throttle control ,can open it about a third before throttle starts to open ,would like to try to get it set up before we hit the water again . There is a mention of a spark gap tester ,what is one of these. Thanks Bill
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