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HELP BIKE Overheated and high idle

1045 Views 0 Replies 1 Participant Last post by  David Wenxuan Liu
I am new to bikes, recently got a 2011 ninja 250. The previous owner said the bike was kept in the garage for years, ride with no issues except it dies sometimes when I give a lot of throttles when starts. Last week I did the oil change, air filter, and the coolant change, I also added 3/4 of seafoam to the tank. Today it starts to idle at 2200 rpm or more, and the engine got overheated couple times when I was idling on the road, it seems fine if I keep riding at 40 50mph.
Please help me!!!
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