Question about Triumph Sprint ST Motorcycles

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Bike worked perfectly til replacement battery put in back to front,since then bike cranks but doesn't fire or give any indication of firing.

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The CDI unit (the one that generates the spark) has been fried by the reversed voltage, replace it.

Posted on May 19, 2011

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GMC 2000 sierra pick up 1500 sounds like it wants to start but won't turn over. Battery sounds good so I guess battery and alternator are ok. For several years fuel gauge doesn't work and...


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I have a 2003 DynaGlyde, Carbureted, security and a battery that holds charge. The bike sat for a year I went to pick it up got it home in the back of my truck threw my battery charger on it to 15 amps...


Man, that's the best description I've ever seen of a problem with a bike on this site. Regrettably, I don't have a clue as to what the problem is but I can tell you that I've read about the turn signal staying on in many instances. I'm an old school biker and mechanic and I don't have any experience with the computer controlled bikes or security systems. To me, it sounds like the security system has got the bike disabled for some reason. This seems to be the case mostly when the battery goes dead and then the owner recharges the battery or installs a new battery. The security disables the ignition system thinking someone is trying to steal the bike and it communicates with the owner or mechanic through the turn signal system. Have you read the owner's manual about the security system? The turn signal staying on constantly may be trying to tell you what the problem is. I really wish I could help more but that's all I've got.

Good Luck
Steve

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1 Answer

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If that doesnt work you will have to remove all 8 plugs,clean them,pour about 2 teaspoons in each cylinder before replacing plugs then do the same as above.
What happens with these engines is the cylinders get a bit too much fuel in them and it washes the oil away down the bores thus losing comression so it wont start.Instead of starting it up and switching it off briefly,let it run a bit and then give it a little rev before switching off...hope this helps

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3 Answers

Bike wont start


Hi,

Initially, pls check/verify:
  • left ignition coil goes to #1 & #4 plugs while right ign coil supplies 2 & 3;
  • presence of spark on each and all of the plugs;
  • temporarily remove the air cleaner/filter box/assembly and cover each crb opening with the palm of your hand while cranking. presence of gas would be noted with fuel on your palm;
  • engine flooded. remove, clean, dry/replace plugs.
Incidentally, if no spark on plugs, check connectors to CDI, or starting with the clutch lever pulled.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

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