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bike stumbles full throttle

4109 Views 6 Replies 4 Participants Last post by  Nick0187
I have a 1998 vlx that stumbles anytime I roll on the throttle more than 25%. It runs good at idle and when I open the throttle just a bit. when the bike is in neutral and I hit the throttle all of the way, it works pretty good, only when its under load is there an issue. Any ideas?

I have also checked for vacuum leaks and there are none.
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I would remove the in line fuel filter and replace it with a new one, they only cost a few dollars for a generic one, so it won't break the bank.

Then I would cut the old filter in half lengthways to examine the inside for any dirt or debris..

If the old filter is clogged it's a fair bet that the tank needs flushing and that the carbs need stripping and overhauling, if the old fuel filter is clean, take a look at the air filter.

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