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Post by chrisell on Jul 5, 2022 11:57:46 GMT 1
So this year's problem. Ride on didn't want to start today - resolved by jump starting did kick out a small white cloud. Ran okay for 5 minutes then bogged down - recovered when I disengaged the blades - but blew white smoke out the front a lot..... Ran for a minute no problem re-engaged the blades but maybe a minute later it bogged down - recovered and blew white smoke. Tried just getting it back and it stalled just driving. Restarted massive white smoke - then bogged down seconds later - I backed the throttle off and after more white smoke we made it back to the garage. Runs fine on idle. The throttle however doesn't have much effect at the moment engine does rev a small amount higher but nothing like normal. I'll change the fuel and filters but before worrying about head gaskets - carb possibly? No oil change - not been tipped - it was the last of the fuel in the can so that's a couple of months old. Not sure the not starting is related - it starts fine at this moment. But weirdly coincidental
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Post by pcpa on Jul 5, 2022 12:52:11 GMT 1
Diesel inadvertently mixed in the fuel?
As its not water cooled I would not be suspecting the head gasket at this time, could water have made its way into the air filter? Has it been left outside in wet and windy weather?
Are you sure the smoke was white (usually indicating water in combustion chamber) and not blue (oil)?
If none of the above I would strip the carb & rebuild using new seals if required, unlikely on a 4 stroke.
I have made some assumptions about your moteur, 4 temps and air cooled please say if they are wrong.
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Post by chrisell on Jul 5, 2022 13:00:44 GMT 1
Carb I think. Oil stinks of petrol and looks high after more investigation. Definitely white smoke. No chance of diesel contamination and no waters got into it
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dylan
Non-gamer
Posts: 44
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Post by dylan on Jul 5, 2022 13:25:45 GMT 1
It will be the float in the carburettor not shutting the fuel supply off. Regards, Dylan.
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Post by landmannnn on Jul 5, 2022 19:05:08 GMT 1
Agreed. The white smoke is burning engine oil.
The engine oil level is too high caused by petrol in the oil.
Drain the engine oil out and refill
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Post by Polarengineer on Jul 6, 2022 8:19:05 GMT 1
I think you would be advised to state the engine make and model and the mower make and model, that way you would get some specific reasons from other owners and from those petrol heads keen to look up stuff on the web.
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Post by pcpa on Jul 6, 2022 9:27:27 GMT 1
Was there really any need for the final comment PolarEngineer or have I misinterpreted it?
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Post by chrisell on Jul 6, 2022 12:20:53 GMT 1
Thanks. Cheap Chinese carb ordered easier than cleaning and last time I cleaned a carb I had to buy new one afterwards anyway...... I thought carb once I smelt the oil. I hate engines
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Aardvark
Non-gamer
Living in soggy 22 and still wondering what's going on.
Posts: 2,172
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Post by Aardvark on Jul 6, 2022 16:23:38 GMT 1
Good luck. Buying a cheap Chinese one could be a gamble. Lets hope it is complete when it arrives with the correct threaded points to attach bits that are not included.
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ibis
Banned Member
Posts: 1,376
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Post by ibis on Jul 6, 2022 16:37:44 GMT 1
Was there really any need for the final comment PolarEngineer or have I misinterpreted it? Would you walk into the repair shop (sans machine) and tell them what the OP told us?
Their first question would be make and model and possibly year..
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Post by Polarengineer on Jul 6, 2022 18:31:38 GMT 1
Was there really any need for the final comment PolarEngineer or have I misinterpreted it? You did indeed. The more data available, the better it is to understand the problem. As a petrolhead myself, I love investigating these things and wish those that experience the problem share their solutions.
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Post by chrisell on Jul 6, 2022 18:34:34 GMT 1
Good luck. Buying a cheap Chinese one could be a gamble. Lets hope it is complete when it arrives with the correct threaded points to attach bits that are not included. Be the same cheap Chinese one that's lasted 5 years.....
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Post by chrisell on Jul 6, 2022 18:38:41 GMT 1
Was there really any need for the final comment PolarEngineer or have I misinterpreted it? Would you walk into the repair shop (sans machine) and tell them what the OP told us?
Their first question would be make and model and possibly year..
[br Strangely people knew the answer .... And didn't over complicate it. It's a lawnmower - fuel - filters - plug - battery - carb are what go wrong -
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ibis
Banned Member
Posts: 1,376
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Post by ibis on Jul 6, 2022 18:45:37 GMT 1
Would you walk into the repair shop (sans machine) and tell them what the OP told us?
Their first question would be make and model and possibly year..
[br Strangely people knew the answer .... And didn't over complicate it. It's a lawnmower - fuel - filters - plug - battery - carb are what go wrong - They were guessing of what happened to their machines and giving you examples.... Yours could of had a recall notice or manufactures defect; the list of why to include make and model and possibly year goes on and on...
If you want 20+ posters giving "their" opinion instead of "one" with the correct answer - so be it.
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Post by landmannnn on Jul 6, 2022 18:48:45 GMT 1
Was there really any need for the final comment PolarEngineer or have I misinterpreted it? Would you walk into the repair shop (sans machine) and tell them what the OP told us?
Their first question would be make and model and possibly year..
Pretty much irrelevant. Small petrol engines don't vary enough to be worried about exact model and year.
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