Engine Running Problem


Old 05-22-02, 09:34 PM
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3.5 hp briggs straton modifications

.. i have a "throttle free" new lawnmower that wont cut paper let alone grass.. the problem id say is this wacktackular throttle free design.. so a quick bend of the throttle lever and a piece of wire to the spring where it connects on the side and boom i can get this thng to rev like mad... is there any limit to over revving a mower engine and throwing a blade? i made sure the blade is tightened down with red loctite because wow without the air filter element its just nuts revving.. there seems to be a built in throttle stop on the linkage so that it only goes so far. Yes im nuts.. but am i too nuts for my own good? ---Josh
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Old 05-22-02, 10:16 PM
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Hi josh1!

The engine will blow in notime like that, not to mention the other possible dangers like breaking the whole crankshaft and throwing the blade like an F-16 into whatever it hits. The blade adapter could break apart too. The reccomended RPM is probably around 3,000 , depending on your model. Find your reccomended RPM, and set it using a tachometer.

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