GG 450 SM 2004 runs bad high rev

Boyde · #1 09-09-2016, 10:34 AM

Hi guys,

My 04 gasgas 450 starts and idles good.
But with half and full throttle it starts to hold back.

I don't have a lot of experience with the EFI system but it runs like a carburettor bike with a to small jet.

I hope you guys can understand this (i'm from Holland) and that you can help me out.

Yngvim · #2 09-13-2016, 12:04 PM

Hi,

Check the injector and the fuel pump.

If the pressure is to low less fuel is going through the injector and it's running lean.

Good luck

EC 250 2001, FSE 450 2004

Boyde · #3 09-20-2016, 10:27 AM

Thanks! I checked the injector and the filter was blocked.

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