87 exciter 570 - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 11 (permalink) Old 12-01-2003, 10:55 PM Thread Starter
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87 exciter 570

I have a 87 yamaha exciter and it bogs real bad off the line. You have to feather the gas real light to get it going. Is this a carb problem? How do you adjust them? Please help.
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post #2 of 11 (permalink) Old 12-14-2003, 01:34 AM
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i have a 92 and it does the same thing i have yet to figure out the problem i am talkinag to friends to find out and they don't know either
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post #3 of 11 (permalink) Old 12-14-2003, 05:09 PM
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I was having this problem, and don't know if I have fixed it completely yet, but you may want to replace your belt. Mine I think was dropping it into a higher gear and bogging because of it.

Luke
89 Yamaha Exciter EX570E
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post #4 of 11 (permalink) Old 12-15-2003, 12:01 AM
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You can shim the belt to bring it up higher in the sec. You want it about 1/16-1/8 of an inch above the sheave
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post #5 of 11 (permalink) Old 12-15-2003, 08:41 PM
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check your fuel pump too, i had this prob a while back, and rebuilt the pump and it's as good as new

but then again i have a enticer 340
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post #6 of 11 (permalink) Old 12-16-2003, 02:51 PM
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i have a 91 exciter and have had the same problem . unless i went down hill and it would be fine . so tday i threw a new belt in and goes great now.
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post #7 of 11 (permalink) Old 12-22-2003, 11:35 AM
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got an anwser

I have 2 phazers, an 86 and a 95. They both have the same number of miles on them so they both have roughly the same wear. The phazer was having that boging problem, so i compared the 2 machines and what not to see if there were any differnces. I couldnt find anythign that would relate to bogging so i just ripped apart the carbs, cleaned the jets, put them back together and walla, the 87 was breathing like it was new. Oh yeah and it didnt hurt to change the air filter either.
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post #8 of 11 (permalink) Old 12-02-2008, 12:24 AM
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87 exciter

I just got one but it has busted relay rods on the back. Yamaha stopped making them so i cant buy new ones, how important are they to the ride and well being of the sled. Do i really need to have them?
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post #9 of 11 (permalink) Old 07-28-2010, 08:53 PM
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Anyone figure this out yet I just bought a 87 exciter and it does the same thing
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post #10 of 11 (permalink) Old 07-28-2010, 08:57 PM
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Clean Your Carbs
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post #11 of 11 (permalink) Old 07-31-2010, 01:02 AM
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I have an 89 that had the same problem...clean the carbs really well, check your belt, clean your clutch. Or you could do what im doing, and sell the piece of sh*t sled. Good Luck!

1986 Polaris Indy 400
1971 Ski-Doo Olympic - Project
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