Main Motorcycle: '01 Triumph Bonneville
Join Date: Sep 2012
|Air Cooled Twins Talk Discussion of Hinckley Triumph Twin related matters and topics.
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What it is that just dawn on me was I never actually pulled the plastic spacer between the needle and needle spring under the diaphragm after I was thru screwing with the needles. I've heard that it's possible for one of the 4 legs of that spacer to block the bleed orifice at the bottom of the piston causing what would also seem like symptoms of a misfire. I've already ordered my pick up coil and replacement gasket, but I think I'll have a look into the tops of my carbs when I get home tonight only to rule this out as a possibility.
You need to be using WD40 for hunting airleaks rather than carb cleaner. Give the boots a good drenching to see if engine note changes, then try it again on the exhaust side.
Luckyduck- your symptoms sound like fuel flooding. O-Rings on pilot screws can perish causing the bowls to flood, causing the hard start, lagging throttle etc.
Ten Thrty2- do you need to use the choke on start up and if so for how long? High idle would suggest running lean so maybe your jets aren't the right size/matched correctly with the filters. It would tie in with the coughing and near stalling- fuel starvation. Also don't discount the valve clearances being out, this can also cause this type of running.
Also what condition are your plugs in? This will be a good indicator what is happening to the fuel mix.
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