kevinthetank Posted February 14, 2011 Share Posted February 14, 2011 H guys,My Spit was running a little rough before the winter so decided to give the fuel system (and other bits) a rebuild. Got a kit for the carbs but didnt have the right jets in it (I have waxstats) or main needles, and am now puzzled. Is there any way I can check to see if the original waxstats were knackered without buying new ones? Also, can anyone give me a very quick idea on changing the needle? Is it worth it? What do you gain by choosing a different one? Any recommendations? Stick with the original? Any info greatly appreciatedThanks Link to comment Share on other sites More sharing options...
piman Posted February 14, 2011 Share Posted February 14, 2011 Hello Kevin, did it have jets in, as the waxstats haven't a good reputation as far as reliability goes, so they're often modified so they don't adjust automatically? If you have new non waxstat jets, just use them. Use your existing needles, you shouldn't need new ones. If the engine is standard, use the specified needle.Alec Link to comment Share on other sites More sharing options...
kevinthetank Posted February 14, 2011 Author Share Posted February 14, 2011 Thanks Alec,Might sound like a daft question but how would you secure ordinary jets to the carb (the waxstats have there arm to keep them in place)? Can you just wirelock them in place or does the jet need free movement? (As i said, fairly new to this).Thanks again Link to comment Share on other sites More sharing options...
thebrookster Posted February 14, 2011 Share Posted February 14, 2011 Non wax-stats have an arm as well. There are not many pics, however have a look through my album for when I rebuilt my HS2's a month or so agohttp://gallery.kinkyspit.co.uk/main.php?cmd=album&var1=White+Spitfire%2FCarbs%2F&var2=Hope this helps,PhilP.S. As far as I am aware, HS2's and HS4's are similar enough for my pics to be of use?? Link to comment Share on other sites More sharing options...
Oobyscoot Posted February 15, 2011 Share Posted February 15, 2011 The jets need to move, thats how the enrichment works for cold starts.There should be a metal bar, going from the choke cams to the red body of the jet. (it goes round a few corners en-route, but thats where i starts and ends) maybe the new jets just dont come with the arms.Personally I would ditch the waxstats, I hear they are more trouble than they are worth..... Link to comment Share on other sites More sharing options...
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