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how to fix my quattro 4hp?

the engine starts well then the revs surg like mad can you help me as my grass is growing out of control. regards john
john sephton, March 2008
Carb or governor might be stuck wide open. try to move the linkage too see if the butterfly valves move freely. The gov. may have become disconneted, that may explain the problem also.

JK, March 2008
link Click here to see other fixes for Quattro 4hp.