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Thread: Bogged down for now reason :(
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08-05-2007, 10:01 PM #1
Bogged down for now reason :(
yesterday im on my slt 750 goin at around 5400-5700 rpm at most. An all of the sudden the damm thing bogs down an shuts off. It restarted a couple seconds later. Then it wont idle. The rpms would drop from 1100 down to nothing. I raised the idle speed in the water. I then rode back to the marina, an its riding just fine. I take the ski outta the water an theres part of a plastic bag around my drive shaft. Could it be the bag was so big it stoped the prop? or is it that my carbs are in desprate need of a rebuild? I plan on doing them this winter. An also when i checked my plugs they looked fine. Help guys
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08-05-2007, 10:15 PM #2
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It may have been that the bag may have blocked the intake making it heat up.Semi siezing.When you stopped it fell and was resucked and wrapped.
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08-05-2007, 10:53 PM #3
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Remove the bag and try it again. You'll know right away if it's your carbs or the bag.
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08-06-2007, 05:15 PM #4
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08-06-2007, 11:30 PM #5
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Not sure, but crank index may be affected by the impeller binding.
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08-09-2007, 09:58 AM #6
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Xlint89, What is ment by the crank index.
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08-10-2007, 12:20 AM #7
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Your pistons must be EXACTLY 120* apart on a triple cylinder. If they are off, your engine timing is off and will not run normally. Polaris uses a press fit crankshaft, meaning it's not welded in any way. So, a hydrolock (water in combustion chamber) or a stick in the jet pump can cause the crank trying to spin, to twist. Thus altering engine timing and performance in one easy foul up.
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08-11-2007, 12:19 PM #8
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Thanks, so if i remove the plugs and bring the front cylinder to top dead center, mark my shaft then rotate the shaft 120* the middle cylinder should be at top dead center and again for the back cylinder.
If the timing is off how can i get it back in time.
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08-11-2007, 02:08 PM #9
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You cannot get your crank index corrected without removing it from the engine and having a professional do it for you. Try putting your CEN piston at "true" TDC and measure down to the other 2 pistons. It should be identical, or REAL dam close. No more than 1mm difference I'd say.
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