Honda GX200 engine

[snipe]

The engine is running fine, but the oil is becoming thinner and is full to the top(filling it’s self up) when I take the oil filler cap of with engine running the the oil pours out. I’m thinking the piston rings, could it be something else. It about 2 and a half years old and does about an hours running a month on my sons go kart.

 

[Nearly]

@TripleSix
@Dave W

 

[Dave W]

Can't really be fuel topping it up I doubt??
Had it got a reduction gearbox on the side?

 

[Timbo]

Why are you opening the oil filler with engine running ???

 

[Bob lincs]

I had one that did this if I left it with the fuel turned on when not in use .

 

[Tony1989]

It’s the float stuck open in the carb, will be a bit of dirt under the needle

 

[snipe]

Why are you opening the oil filler with engine running ???

I checked the oil and found it was over full. So I took the filler cap off when the engine was running to see if there was much pressure building up in the sump

 

[snipe]

It’s the float stuck open in the carb, will be a bit of dirt under the needle

I will investigate this first.

 

[IH 414]

The engine is running fine, but the oil is becoming thinner and is full to the top(filling it’s self up) when I take the oil filler cap of with engine running the the oil pours out. I’m thinking the piston rings, could it be something else. It about 2 and a half years old and does about an hours running a month on my sons go kart.

If petrol is not turned off it gets into sump. Drain oil put fresh oil in and run for 30 mins drain oil again and fresh oil in and always turn petrol off and no more problems.

 

[Tony1989]

It still shouldn’t be leaking into cylinder

 

[IH 414]

I know it shouldn't but for whatever reason if petrol is left turned on on certain Honda engines it leaks into oil. Seen a few do it. U can strip carb and renew parts but if u leave fuel on it does it again within a few months. Easier to get into the habit of turning fuel off.

 

[Kiwi Pete]

As above, a good practice with these wee engines is to turn the fuel off at the end of the day and let them starve out.

Our portable firefighting pump (B&S Vanguard V twin) always does what you describe, will put a whole tankful of juice into the sump if the fuelcock is left on.

 

[benferg]

I know it shouldn't but for whatever reason if petrol is left turned on on certain Honda engines it leaks into oil. Seen a few do it. U can strip carb and renew parts but if u leave fuel on it does it again within a few months. Easier to get into the habit of turning fuel off.

Or just buy a complete carb and fit it.