UK Karting - Notice Board (4-Stroke Karting) : gx 390 power loss

Notice Board (4-Stroke Karting)

gx 390 power loss
Posted by 'littledeep' on 02 Jun 2013 @ 08:29

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littledeepJoined: October 2004
Total Posts: 1
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Hi guys our engine loses power when racing,its slow to get going then just lacks power.i noticed that the plug was a very light brown colour almost white which seems to be lean so changed complete carb cleaned all jets etc,replaced all gaskets and insulator.pump appears to deliver fuel fine.it has a new clutch aswell.can be difficult to start and have to use choke even when engine is still warm.idles ok and revs fine but when on track its horrendous.im at my wits end any help would be appreciated thanks.mike.

Message Thread:

gx 390 power loss by 'littledeep' << You are here!

Re: gx 390 power loss by 'littledeep' (02 Jun 2013 @ 10:04)

Re: gx 390 power loss by 'BrianP' (02 Jun 2013 @ 10:30)

Re: gx 390 power loss by 'littledeep' (02 Jun 2013 @ 11:20)

Re: gx 390 power loss by 'BrianP' (02 Jun 2013 @ 11:46)

Re: gx 390 power loss by 'littledeep' (02 Jun 2013 @ 11:59)

Re: gx 390 power loss by 'BrianP' (02 Jun 2013 @ 12:23)

Re: gx 390 power loss by 'littledeep' (02 Jun 2013 @ 15:59)

Re: gx 390 power loss by 'BrianP' (02 Jun 2013 @ 17:07)

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