why does this engine have more power when reversed

[Patches]

As far as I know, Mules do not have different ratios for forward/reverse. They are powered by a 4 cycle engine through a CVT system with simple forward/reverse gear selector

 

[ericb2400]

For what it is worth, some older gas golf carts run the engine backwards for reverse. When you stop the motor stops. when you push the gas pedal the motor starts back up.
I wonder if an older kw mule is the same way.

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You might have some luck with checking on a golf cart form (buggies gone wild) they have info on those older motors. Might have to do w ignition timing or compresson.

Good luck.

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[Gale Hawkins]

Not sure this is a factor or not but when I am going backwards at 20 MPH it seems faster than 60 MPH when going forward. As I understand it only a 2 stroke engine can run in either direction and the fuel and exhaust be correct. Did it once with a model plane but it would not take off backwards.

 

[BleedingOrange]

Very easy to get a 2 stroke to run backwards. Ski-doo has been doing that with their snowmobiles for 10 years, or more.

 

[RPW]

Yep, older golf carts were 2 stroke. They would couple a generator to the motor and use it as a starter. Flip the switch one way it runs forward the other and it runs backwards.