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Old 06-03-2007, 10:22 AM   #1 (permalink)
headbanger7483
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tigershark help

Don't know if anyone will know this or not but I have a 97 Tigershark Monte Carlo 770 and when it idles it only fires on one cylinder and when you hit the throttle the second cylinder picks up and the ski runs fine I pulled the plugs yesterday and they were pretty black and I put some fresh ones in...any ideas?
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Old 06-03-2007, 03:01 PM   #2 (permalink)
smallengineguy
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Put a spark tester on each plug to make sure you have spark. If you do, I'd say compression is low on one side. Should be at least 130 lbs or so.
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Old 06-03-2007, 03:08 PM   #3 (permalink)
headbanger783
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I haven't run it since the new plugs went in I'm going on Wednesday. Hopefully it will be an easy fix...it just weird it runs fine when you give it throttle you can feel when the second cylinder kicks could the dirty plugs cause it? this is my first jet ski so I don't know much about them
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Old 06-03-2007, 07:22 PM   #4 (permalink)
smallengineguy
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Quote:
Originally Posted by headbanger783
it just weird it runs fine when you give it throttle you can feel when the second cylinder kicks could the dirty plugs cause it? this is my first jet ski so I don't know much about them
It may be flooding out on that side at idle. Check to see if that plug is wet and fuel soaked. Do a compression test to make sure it has good compression first. You need to eliminate the easy things first.
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Old 06-03-2007, 08:33 PM   #5 (permalink)
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how do you do a compression test on a jet ski? It's not in water right now and is electric start
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Old 06-04-2007, 08:06 AM   #6 (permalink)
PolarisINDY500
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<correct me if im wrong> but remove one plug and put in the compression guage. try to turn it over and read the max psi. then do the other side.
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Old 06-08-2007, 09:06 AM   #7 (permalink)
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ok so It seems I'm not getting any fuel to the plugs....I checked the line and its in there....could it be carbs or anything?
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Old 06-09-2007, 06:07 AM   #8 (permalink)
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SOunds like the idle circuit on that cylinder's carburetor is AFU. Remove and clean the carb.
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Old 06-14-2007, 10:17 AM   #9 (permalink)
sxviper700
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SEG, does AFU stand for what i think it does? im just wondering
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Old 06-15-2007, 06:00 AM   #10 (permalink)
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Yes it does.....
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Old 06-16-2007, 12:25 PM   #11 (permalink)
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ah ic lol. at work, if we get a part that is no good, we send it back, labled NFG
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Old 06-18-2007, 08:10 PM   #12 (permalink)
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Quote:
Originally Posted by sxviper700
ah ic lol. at work, if we get a part that is no good, we send it back, labled NFG
LMAO
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Old 06-22-2007, 12:41 PM   #13 (permalink)
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I got it workin dead battery plus the carbs needed to be reconfigured thanks guys!
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