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    Obsolete SCAG Idler arm assembly #46145

    That does not look like a steel bushing,it looks like the top of the bronze bushing.What is the condition of the idler support shaft? You can mike the shaft and hole where it is not worn and order bushing accordingly.Send me the dimensions and I will try to find a bushing for you.Heavy duty...
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    CV15S cylinder damage

    I would replace the rings.I think it would be silly no to since the piston is already out.Look for scarring on the piston skirt in the area of the missing chunk,and check the rod for bending and check the big end for out-of round and proper clearances.I use Plasti-Gauge:link below...
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    exmark quest

    Where are you measuring the battery voltage?On the battery post itself or on the cable connector on the battery post?Use the battery post itself,not the cable at the battery. Hold the key on for a minute or so, and feel for a warm or hot connection on all connection points.The inside of the...
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    Briggs mower with reverse shaft output powered by an extended cam shaft.

    Years ago,I can't remember exactly when,I rebuilt a Briggs self propelled push mower with reverse,where reverse was powered by an extended camshaft and pulley.The shaft of course ran at 1/2 engine speed,but it simplified the implementation of reverse and gave a safe reverse speed. Has anyone...
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    Run at Full Throttle?

    Air flow is not linear with speed.Double the speed,and you cube the air flow,so higher speed gives a much higher air flow than low speed,and the engine will run cooler,even though the engine is producing more heat,overall,the engine and oil are cooler. The old air cooled beetles could run from...
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    No spark

    Have you checked the shear pin in the flywheel? If it is even partially sheared you will get no spark.:unsure:
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    Mulching blades that can still actually lift grass?

    I mow so that the clippings go to the inside of the cut, in the path of my next pass,and each pass mulches them more and more and by the time I get to the center,the clippings have disintegrated into mere dust. I go at a slower than normal pace in heavy grass and it does fine. I have a...
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    Can't find 30W oil anywhere in my area, or on line.

    Here is a link to Jojoba oil : https://www.lawnmowerforum.com/threads/cant-find-30w-oil-anywhere-in-my-area-or-on-line.74912/
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    Can't find 30W oil anywhere in my area, or on line.

    The best natural lubricant is actually whale oil.It had superior lubricating properties that was unequaled by modern oils.With the rightful protection of whales, a substitute was sought,and the closest,almost identical oil, is Jojoba oil.It is hard to find as an engine oil,because it is more...
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    Can't find 30W oil anywhere in my area, or on line.

    Here is a good link to learn the principles and purposes of modern oils,and a lot of legends are busted. https://bobistheoilguy.com/motor-oil-101/
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    10 Year Old Raptor Bogging Down

    Sounds like fuel starvation.Does the carb have an idle adjustment screw? If so adjust to spec.. If it is adjusted too lean the motor will net be able to respond to a rapid load change. Was the main jet removed and cleaned on the carb?It is in the center of the carburetor.Sometimes a mechanic...
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