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My Yamaha 115 outboard has very poor acceleration, vibrates at low speeds, and has started loss of power under steady throttle while cruising. I can bump the throttle handle repeatedly and it will accelerate a little with each bump until I get a fairly smoothe ride...all to begin deceleration again. I've installed a seven micron gas filter, cleaned injectors repeatedly, and drained and replaced fuel. The problem seems to get worse with each outing.
I got it back from the shop at the beginning of this summer and it ran very well for two outings but then relapsed. I called the shop to inquire what they did and they had no idea belive it or not. I remember one of the mechanics speaking of robbing a part off another motor of similar make but the manager said he didn't remember that. Needless to say I haven't used that shop again.
Gratefull for any help ... planning on trading motor if I can't find a fix.
I got it back from the shop at the beginning of this summer and it ran very well for two outings but then relapsed. I called the shop to inquire what they did and they had no idea belive it or not. I remember one of the mechanics speaking of robbing a part off another motor of similar make but the manager said he didn't remember that. Needless to say I haven't used that shop again.
Gratefull for any help ... planning on trading motor if I can't find a fix.
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