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Old 13-04-2010, 04:46 PM
Harry W G Trump Harry W G Trump is offline
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First recorded activity by GardenBanter: Apr 2010
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Quote:
Originally Posted by paulem View Post
Hi All

I have a Mountfield mower with a Honda GCV135 engine which starts fine and seems to run fine but then cuts out after a minute or so, it restarts ok but cuts out again after a minute.

A friend looked at it and checked the plug and said it seems to be running rich does anyone have any suggestions or know how to set the mixture on this engine.

Thanks

Paul
I have just fixed a similar fault on this model.

The plug is sooty so suggests the mixture is too rich however the problem was simply that the plug was failing when it warmed up (15 seconds in my case). Having eliminated most other causes I changed the plug and it now works fine.

Fortunately I did this before stripping dwn the auto decompressor which the symptoms wereheading me towards. Lucky escape!!