UK Karting - Notice Board (Combined Forum) : Re: Stick with the 100cc National

Notice Board (Combined Forum)

Re: Stick with the 100cc National
Posted by 'DavyBoy' on 01 Oct 2008 @ 17:48

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DavyBoyJoined: July 2005
Total Posts: 1
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There shouldn't be a rubber tip on the needle valve, well at least I've not seen one with a rubber tip. There is a rubber seal in the seat though.

I'm assuming you bought a carb repair kit when you replaced all the innards ?

Did you replace the entire needle valve assembly i.e. seat, copper washer below, needle valve, lever, spring etc... ?

Did you also replace the diaphragm and gaskets while you were at it ?

Did you make sure the carb was surgically clean [and I mean absolutely clean] when you fitted the new parts ?

Do you have an in-line fuel filter to prevent any dirt in the fuel reaching the carb ?

Did you set the pop-off pressure on the carb ?

Here are a couple of helpful sites on Tillotson carbs for you.

http://www.aerocorsair.com/id27.htm

http://www.lazair.com/HL.htm

In all the time I raced 100cc, I always had more than one carb [usually dozens actually] when I went out with the kart. If there was trouble along the lines you're explaining, I'd swap the carb as taking one to pieces trackside is not to be advised.

Hope this helps.

Message Thread:

100 National problems by 'mycool' (30 Sep 2008 @ 10:53)

Re: 100 National problems by 'itpro' (30 Sep 2008 @ 11:37)

Re: 100 National problems by 'mycool' (30 Sep 2008 @ 13:35)

Re: 100 National problems by 'NJB' (30 Sep 2008 @ 13:45)

Re: 100 National and other engine options by 'mycool' (30 Sep 2008 @ 15:51)

Re: 100 National and other engine options by 'buzzinrussell' (30 Sep 2008 @ 15:53)

Re: 100 National and other engine options by 'itpro' (30 Sep 2008 @ 16:29)

Re: 100 National and other engine options by 'mycool' (30 Sep 2008 @ 16:43)

Re: 100 National and other engine options by 'mycool' (30 Sep 2008 @ 16:45)

Re: 100 National and other engine options by 'Attack2001' (30 Sep 2008 @ 16:54)

Re: 100 National problems by 'QuickOldTimer' (30 Sep 2008 @ 20:10)

Stick with the 100cc National by 'DavyBoy' (30 Sep 2008 @ 21:19)

Re: Stick with the 100cc National by 'mycool' (01 Oct 2008 @ 10:01)

Re: Stick with the 100cc National by 'DavyBoy' << You are here!

Re: Stick with the 100cc National by 'mycool' (02 Oct 2008 @ 17:30)

Re: Stick with the 100cc National by 'DavyBoy' (02 Oct 2008 @ 17:57)

Re: Stick with the 100cc National by 'mycool' (03 Oct 2008 @ 9:48)

Re: Stick with the 100cc National by 'DavyBoy' (03 Oct 2008 @ 10:06)

Re: Keep it simple by 'bertie77' (03 Oct 2008 @ 11:07)

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