90 hp spark loosing power

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fc151

New Member
hi guys,

first, i would like to introduce myself as i am a new member. i am from montreal area in quebec and thats my third year earning a spark. i mostly ridw it on a small lake in my town as we live by it.

i bought my spark new in 2014 and have 60hrs on it. since this year, it has started, after 10-15 minutes of riding, to loose power. it start to rev lower and lower and have nearly no throttle response. if i get the impeller out of the water, it hit the rev limiter and when it goes back to water, it pulls great for 1-2 seconds then the rpm starts lowering(6000 instead of 7900).

if i stop it for 5 minutes, i can get 1 minute of good performance but after that, the story repeats itself.

no one of the dealer i talked ever heard of that probleme and brp dont seems to have ever experienced that problem.

what are your thoughs on this one?
 
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