One of the popular modifications to the GX200 engine is to remove the the govenor. There are many clips on Youtube on how this can be achieved. Our engine already had the govenor removed by previous owner.
Removing the govenor allows the engine to rev at much heigher revs but it may mean other modifications to compensate for the added power.
With plenty of advise on engine tuners in UK and USA it was decided to go for a sports exhaust and big bore carb with increased jet and emulsion tube.
A company on ebay were advertising big bore carb and increased jet and emulsion tube. They also have a very informative website called Prokart Engine parts and are based in Northern Ireland.
We also located a RV Header pipe for exhaust from the States. This was a very neat pipe with muffer and support bracket and it was cheaper to purchase in USA than in UK.
We were looking to replace the air filter but was unable to locate a high flow air filter that would fit between the carb and rear RH tyre.
Parts were ordered and the old carb was removed and the new one replaced.
The old exhaust was removed and the new RV Header exhaust pipe and support bracket fitted.
Kart was taken to our circut and engine fired up straight away and tick over was smooth.
The sound from exhaust was very rewarding with a rasping sound.
A very rewarding test run was performed and there was a definate increase in power from the engine due to the big bore carb and RV Header exhaust.
So a very satisfying modification to our kart.
RV Header exhaust and Big Bore exhaust modification.
Next mod....pulse fuel pump and fuel tank
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