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Author Topic: Bike Idles Fine At Start, Revs at 3-5k, then at 300. . . And dies?  (Read 38 times)

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Offline Syn

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  • Location: Edmonton, AB
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    • StuartIsNotSoCool
  • Motorcycle(s): 2002 Kawasaki Ninja 500R
  • Years Riding?: 3000Km
Bike Idles Fine At Start, Revs at 3-5k, then at 300. . . And dies?
« on: July 14, 2010, 09:52:10 PM »
The last 2 times I've taken my bike out Ive noticed after about 45 minutes, the bike starts revving high, 3k to 5k range. But then right when I start getting close to home, the Idles start to die down to around 300 and then it stalls? It'll start no problem aslong as I give it a good amount of throttle on start, the bike runs at 12oo for the first 30 minutes and on, but then this happens?

Bad Spark Plugs? Bad Air Filter? The guy I bought it from said he had the Carb apart a few weeks ago and said its good (Bought it from Cycle Works, Service Manager's personal bike)

Thanks In Advance.
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Offline Syn

  • Full Member
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  • Location: Edmonton, AB
  • Posts: 58
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    • StuartIsNotSoCool
  • Motorcycle(s): 2002 Kawasaki Ninja 500R
  • Years Riding?: 3000Km
Re: Bike Idles Fine At Start, Revs at 3-5k, then at 300. . . And dies?
« Reply #1 on: July 25, 2010, 01:20:26 AM »
Well incase anyone encounters this problem in the future. What I THINK it was, its a mixture of different Octanes in the Fuel. I mixed 91 and 87 together, talked to my uncle(Raced in the Knee Draggers Circuit for 8 years) and now is a automotive mechanic, he said it could just be the octanes combusting at different rates, causing wierd RPMs, So I basically just rode like that till I had to switch to reserve, and then put just 87 in, havent had a problem the last 3 days, I think it was just that (: Im  hoping haha
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