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Jon and V Boat Conversions & Modifications
Sea Nymph Bass Attacker Rebuild
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<blockquote data-quote="dearl" data-source="post: 428358" data-attributes="member: 1760"><p>Your off to a good start. You say you've got fuel and spark, does it even try to run I mean spit, sputter anything? Try this, when you turn the motor over, hit it with a shot of starting fluid, if it trys to crank, your carbs need to be gone through and cleaned or rebuilt. Dont try to run it on starting fluid, it has no oil in it and you risk ruining your rings and cylinder walls doing that. Just hit it with enough to see if it will bust off. Older OMC carbs are simple to rebuild, syncronizing them can be a bear, but with a manual its not so bad. A word of caution, if the motor starts do not advance the throttle more than idle with the motor not in the water. Without a test prop on it you could have the engine run away, once the motor reaches so many rpms, it will keep running at WOT just by cyntrifigual force. Keep a rag handy, if this happens show it in the carb to stop the air flow.</p><p></p><p> Also check the compression on all 3 cylinders. Carbed outboards use vacuum to pull fuel into the cylinders, if your compression is really low you may not be pulling fuel into the cylinder for ignition. My moneys on the carbs.</p></blockquote><p></p>
[QUOTE="dearl, post: 428358, member: 1760"] Your off to a good start. You say you've got fuel and spark, does it even try to run I mean spit, sputter anything? Try this, when you turn the motor over, hit it with a shot of starting fluid, if it trys to crank, your carbs need to be gone through and cleaned or rebuilt. Dont try to run it on starting fluid, it has no oil in it and you risk ruining your rings and cylinder walls doing that. Just hit it with enough to see if it will bust off. Older OMC carbs are simple to rebuild, syncronizing them can be a bear, but with a manual its not so bad. A word of caution, if the motor starts do not advance the throttle more than idle with the motor not in the water. Without a test prop on it you could have the engine run away, once the motor reaches so many rpms, it will keep running at WOT just by cyntrifigual force. Keep a rag handy, if this happens show it in the carb to stop the air flow. Also check the compression on all 3 cylinders. Carbed outboards use vacuum to pull fuel into the cylinders, if your compression is really low you may not be pulling fuel into the cylinder for ignition. My moneys on the carbs. [/QUOTE]
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Jon and V Boat Conversions & Modifications
Sea Nymph Bass Attacker Rebuild
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