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I have a 99 scott riding lawn mower with 17 HP Intek engine. It has been runNing just fine. I cranked it for the first time today after setting up for the winter.
It started on the first crank but had a sound as if it needed to warm up. I let it idle for a few minutes before I brought it up to full throttle. It ran fine.
When I finished mowing I disengaged the cutting blades and at full throttle the engine had a slight miss. I brought the idle down to mid range and the miss became more pronounced but still ran ok.
If I advanced the throttle it responded as normal but still had the miss. I brought it down to idle and the miss was still there. While running I removed the air filter and every once in a while at idle it would puff thru the carberator. What could be wrong?
Would it be the valves need adjusted?
I have had it since 99 but have not adjusted on the valves.
If it is in need of valve adjustment can someone tell me in detail what I need to do.
I am mechanically adept and do all my maintenance.
It started on the first crank but had a sound as if it needed to warm up. I let it idle for a few minutes before I brought it up to full throttle. It ran fine.
When I finished mowing I disengaged the cutting blades and at full throttle the engine had a slight miss. I brought the idle down to mid range and the miss became more pronounced but still ran ok.
If I advanced the throttle it responded as normal but still had the miss. I brought it down to idle and the miss was still there. While running I removed the air filter and every once in a while at idle it would puff thru the carberator. What could be wrong?
Would it be the valves need adjusted?
I have had it since 99 but have not adjusted on the valves.
If it is in need of valve adjustment can someone tell me in detail what I need to do.
I am mechanically adept and do all my maintenance.