r6wooly Posted April 26, 2014 Report Share Posted April 26, 2014 Hi guys and girls I have got a 2012 txt pro 300 and I dropped it down a hill, the throttle stuck open for a few seconds until someone managed to get the kill switch. The bike was running perfect all day but then wouldn't start at all ! I removed the flywheel and the wood ruff key had sheared so I replaced the key but it's still no good and won't start ! I have removed and cleaned the carb checked all the electrics disconnected the kill switch but still doesn't want to go and now I'm at a bit of a dead end can anyone give me any help please ? I'm getting a spark and the plug is getting wet so I'm sure it's got to be timing related has anyone else had anything similar ? Cheers Matt Quote Link to comment Share on other sites More sharing options...
cabby Posted April 26, 2014 Report Share Posted April 26, 2014 Did you try a new plug ? Quote Link to comment Share on other sites More sharing options...
r6wooly Posted April 26, 2014 Author Report Share Posted April 26, 2014 No the plug seems to spark fine ? I will get a new plug and try that for the same of a few quid could this be a problem even if I'm getting a good spark ? Cheers, Matt Quote Link to comment Share on other sites More sharing options...
jonboy883 Posted April 26, 2014 Report Share Posted April 26, 2014 I agree with thedbf, the electrodes in the plug or it's core has possibly been damaged, try a new plug...... Quote Link to comment Share on other sites More sharing options...
jonboy883 Posted April 26, 2014 Report Share Posted April 26, 2014 The plug will still spark with a weak core or electrodes but when under the cylinder pressure will noy provide sufficient voltage to give an arc able spark. Get a new one and let us know that it started. Quote Link to comment Share on other sites More sharing options...
r6wooly Posted April 26, 2014 Author Report Share Posted April 26, 2014 Ok thank you could the spark plug get damaged then from over revving ? Cheers, Matt Quote Link to comment Share on other sites More sharing options...
bilks Posted April 26, 2014 Report Share Posted April 26, 2014 (edited) Have you checked to see that the engine is not flooded,with you say you dropped it down a hill,even though the engine was stopped.and have you rechecked your woodruff key. Edited April 26, 2014 by bilks Quote Link to comment Share on other sites More sharing options...
r6wooly Posted April 27, 2014 Author Report Share Posted April 27, 2014 I tried a new spark plug with no luck so removed the cylinder head and piston has gone and took the barrel out with it ! I think I can save the barrel though so not all bad lol cheers for the advice anyway guys Quote Link to comment Share on other sites More sharing options...
thats_a_five Posted April 28, 2014 Report Share Posted April 28, 2014 I do not use one yet, but stories like this make me seriously consider a lanyard type kill switch. Good luck on the bike. Quote Link to comment Share on other sites More sharing options...
wobblenorbed Posted April 28, 2014 Report Share Posted April 28, 2014 Got a lanyard on mine and wouldn't be without it. Totally worth the extra faff. 1 Quote Link to comment Share on other sites More sharing options...
ourian Posted April 28, 2014 Report Share Posted April 28, 2014 I do not use one yet, but stories like this make me seriously consider a lanyard type kill switch. Good luck on the bike. Got a lanyard on mine and wouldn't be without it. Totally worth the extra faff. Was at a trial yesterday, a bloke leant his bike against a rock and left his engine ticking over, whilst he walked the section, the bike fell over and throttle jammed wide open, engine screaming, he got to his bike just before I did and the first thing he did was pick the bike up, ironically there on his bars was a lanyard. Quote Link to comment Share on other sites More sharing options...
lineaway Posted April 29, 2014 Report Share Posted April 29, 2014 I liked the one just last weekend. A rider went to start his bike and the lanyard was no where to be found. Looked forever, it was stuck to the metal inside the truck bed. I agree that an instant cut out is nice, but all the other issues is not worth it. Same opinion on anti-lock brakes, good for the masses. But in extreme conditions let me have a brake system that works to bring the vehicle under control (Mine not the computer). 1 Quote Link to comment Share on other sites More sharing options...
thats_a_five Posted April 29, 2014 Report Share Posted April 29, 2014 I liked the one just last weekend. A rider went to start his bike and the lanyard was no where to be found. Looked forever, it was stuck to the metal inside the truck bed. I agree that an instant cut out is nice, but all the other issues is not worth it. Same opinion on anti-lock brakes, good for the masses. But in extreme conditions let me have a brake system that works to bring the vehicle under control (Mine not the computer). As trials riders, I think we probably have better control of our vehicles than many other people. The problem that started this thread was when the rider no longer had control of the bike. Once that happens it does make sense to me to have the bike shut down. If I do a lanyard, I will probably wire it in addition to the existing kill switch and with an override function in case of lost lanyard (as simple as a way to unplug the switch). 3 Quote Link to comment Share on other sites More sharing options...
copemech Posted May 1, 2014 Report Share Posted May 1, 2014 A fixed hard bar end on the throttle side helps a lot against a runaway after a fall. Not fool proof, but ? Saves the grip too! 2 Quote Link to comment Share on other sites More sharing options...
baldilocks Posted May 1, 2014 Report Share Posted May 1, 2014 Lanyards take some getting used to. Some people have been known to wave to a friend and inadvertently cut the motor in a high gear with only one hand on the bar. Most of us have ridden for years without one, it will take time. Quote Link to comment Share on other sites More sharing options...
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