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 02 Oct 2008 @ 17:57

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DavyBoyJoined: July 2005
Total Posts: 1
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So did you replace the needle valve assembly, seat etc... ? and fit everything properly ? The kind of problem you're experience sounds like the needle valve's not closing properly. That could be the rubber seat [worn/wilted] or the lever's bent, or the spring's not working properly or the lever/bar has some dirt in it or there's some dirt further down in the assembly.

In terms of of pop-off pressure, I wouldn't read too much into it on a tillotson. Its really a tuning issue and not related to the kind of problems you've been experiencing. I rarely fiddled with pop-off pressure until I started TKMs and had that God forsaken Walbro rubbish. In any event, here are a couple of useful sites to look at in terms of pop-off.

http://www.aerocorsair.com/id28.htm

http://www.iwt.com.au/tillotson.htm

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' (01 Oct 2008 @ 17:48)

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

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

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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