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riccbhard
Apprentice

USA
79 Posts
Posted - Sep 22 2005 :  7:52:02 PM  Show Profile  Reply with Quote
Hello. I just picked up a Murrary 21" lawnmower from the garbage. It has a 5HP Briggs & Stratton Quantum engine (one of the older ones; not the newer Quantum). There are 2 things wrong with the engine that I can see. One is that the start string; after pulling; will not go retract. Also; it needs a new fuel line. The old one was dry-rotted (it apparently sat outside). And there are a few things wrong with the physical mower itself. One problem is that the back wheels are locked up and will not turn. It's a 'self-propelled' and the belt that goes under the cover from the engine to the driveshaft on the back is broke. And the underside of the lawnmower looks a little more rusted than normal; including the blade. The guy that I got it from said the engine does run. And it does have new oil in it; but the start mechanism isn't working now.

Any suggestions?

EDIT: Anyway I could find another lawnmower (not self-propelled) in the garbage somewhere and put the engine from this one on it? (If it's engine doesnt work). The way I see it; self-propelled is nice but it's another thing to go wrong.

Thanks! :)





Edited by - riccbhard on Sep 22 2005 7:54:09 PM

Aaron Cake
Administrator

Canada
6718 Posts
Posted - Sep 23 2005 :  09:19:25 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
The B&S engines have a common flange on the bottom, so likely that engine will fit many mowers.

Now, as for the recoil starter. They are not difficult to repair for those that know what they are doing. For the newbie, they are a dangerous repair since the spring is razor sharp and tightly coiled. If it is allowed to unravel (very easy if you've never done one before) serious injury will certainly result. I don't suggest that you try this as your first repair.

If you insist, go to the library and pick up a book on small engine repair. It will include instructions for repairing the starter, as well as the safety procedures.
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