2005 bonneville t100 wont start- no spark- dies - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 37 (permalink) Old 08-19-2010, 03:08 PM Thread Starter
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2005 bonneville t100 wont start- no spark- dies

Bought my 2005 triumphe bonnevlle t100 in nyc where I used it. it only had 500 miles on it when I bought it and now she has 5,500 miles. she sat unused hooked up to a trickle charger for 5 months in ny when I relocated down to Florida and then I had the bike shipped down to south Florida.
She ran fine for 1 year in florida and then problem began.
Was riding her and she just turned off and stalled mid-ride.
Went to restart it and just cranking, wouldn’t start up again.
Had it towed home. Recharged the battery on a trickle charger as It was weak due to the excessive cranking to get it started.
I thought it might be the carbs being dirty from sitting for 5 months so I had it towed to a shop that cleaned the carbs and re-lined / finished the inside of the gas tank. (Which the claimed was very dirty and needed) I think he was full of [email protected]#$ but anyways I agreed to the extra $100 procedure.

Then it still wouldn’t start. So then the shop said it wasn’t getting a spark. They claimed to have changed the pickup coil. And they said it was fixed. They dropped off the bike and it ran but didn’t sound the like it used to, but it was running for a very brief period. The minute they left it wouldn’t start again. Same issue. Would maybe start up and if it did after about 10 minutes would just die and not start again.

So after paying out $1000 to have my pick up coil changed, and my tank relined, and my carbs cleaned, I decided to do any other repairs myself.

I read a lot in this forum and in Haynes manual. I ordered a nology profire ignition coil http://www.nology.com/profiremotor.html
and then I ordered a cdi box from procom. http://www.newbonneville.com/html/procom_igniter.html
i installed both and it started up. I though the problem was fixed, took her for a ride and then she died again after about 10 minutes. It did start back up again after about 5 minutes of cranking but just barely. I made it home and after I turned off the bike and recharged the battery again she wouldn’t start again.

Now the last 2 things I could think of to change are the battery and the spark plug boots/ cap from nology. http://www.nology.com/hot.html
I replaced the battery after having the shop give the new battery a full 20 hour charge. And it still does not start and no spark. And now Im just waiting for the Spark plug boots / wires to come next week.


So far I have replaced and have a new:

A new pick up coil (that the shop installed)
Ignition coil
Battery
Cdi box.

Still no spark and wont start.. im desperate here. Anyone have a clue?

The only thing left that I haven’t installed yet is the Spark plug boots / wires its coming on Tuesday.

Thanks in advance.

russ
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post #2 of 37 (permalink) Old 08-20-2010, 09:10 AM
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Hi Russ,
Sound's like the garage didn't change the pickup coil/sender unit (next to the alternator), or put in a faulty one. $900 seems a lot for half hour work & new sender.
My wife's bonnie started cutting out and dying after 2 or 3 miles. Leave it for 10 mins to cool down, and it normally fired up and ran fine. I swappped igniter, then ignition coil then pick up coil/sender with mine to eliminate them. Had to buy new pick-up coil, about £35, and a bit of silicon rubber to replace gasket, but no problems since.
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post #3 of 37 (permalink) Old 08-22-2010, 08:23 AM
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You may still have a bad cdi box you cant trust procom.Do you still have all your old parts? if so you need to find someone who can try your old cdi on there bike and see if it runs ok.If its bad put your stock set up back on and get a stock cdi box off ebay.

Why do I feel young on my bike
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post #4 of 37 (permalink) Old 08-23-2010, 07:52 AM Thread Starter
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Hi

I have heard only good things about the procom cdi boxes from forums such as this. I didn’t suspect it was a bad cdi box. But after I get the new spark plug boots from nology, tomorrow Tuesday aug 24 I will try again. If it still does not start I will swap out my new prologic with my old stock cdi box (although im not sure my old one works either)

If neither of them work I will order another prologic direct from the prologic factory this time and not form a third part seller on ebay. What raised my suspicions a touch, was that when I received the prologic cdi box, that I ordered off ebay from who I thought was one of prologics distributers, it didn’t have a box around it. so it didn’t come in the box that prologic sells them in. so I thought that was weird and may indicate it was opened or used before. It was just in the foam case and had clear tape over the top so that nothing would fall out and everything was secure…

To the sellers credit, he did say he would take it back if it didn’t work. So that’s a good thing, but im still hoping it’s the spark plug boots or I will order that other prologic cdi box direct from prologic and try once more..

Im at a loss and don’t know what else to do. :/ thanks for your suggestion though. Ill make sure to let everyone know when and if this problem is solved.

Any other suggestions would be greatly appreciated.
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post #5 of 37 (permalink) Old 08-23-2010, 07:55 AM Thread Starter
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Ill check the work that shop did on the pick up coil as a last stop measure after I try these other things. I do think they were telling me the truth about putting in a new one and spacing the gaps correctly…etc they said they put the air gap at 30,000 of an inch with a feeler gauge, which seems to be pretty close to the .8 mm suggested by triumph.

Maybe im to trustworthy. But ill wait until later in the week after I get new parts to see if that resolves anything

Thank you dayve
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post #6 of 37 (permalink) Old 08-23-2010, 11:52 AM
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russ you will find in time as many of us have found as far as cdi boxes ,coils ,wires and so on what came on the bike is better then the after market stuff.I have 2 procoms nology coils and wires guess where they are in a box in my shop.Whats on my bike the same stuff that came on it in 03.pieman did his magic to the stock box it runs way better then the 2 procoms.The procoms can cause hard starting even when you have a good one lol.

Why do I feel young on my bike
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post #7 of 37 (permalink) Old 08-23-2010, 12:02 PM Thread Starter
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Thank you mikeinva

I had done a lot of research and even the dealers (I called one in nyc and others) suggested I save money and that procom was cheaper and would work great and that nology ignition coil and spark plug boots were very good as well. so I am sad to hear now after I have bought all of them that they are not as good as I had thought. I am a bit surprised by this but I do appreciate your advice. Thank you
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post #8 of 37 (permalink) Old 08-25-2010, 05:09 PM Thread Starter
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Update,

Ok so now that I installed the spark plug boots from nology as well, she still wouldn’t start. So I took off the prologic cdi box and put my old oem stock one back on and she started up (that time). I rode her for about 10 minutes and 10 miles and after I stopped her and tried to restart her she wouldn’t turn over again. Maybe cause the engine was hot?

What I noticed is that, the bike kind of gargles or barley turns over now. So I would give a twist of the throttle or two and after I gave her some gas she reluctantly came to life.

Mind you I live in a HOT climate. South florida and its hot and humid about 92 degrees daily so I shouldn’t have to pull out the choke to start her but I did have to pull the choke and give her gas at the same time to get her started.

The bike is now starting with the same procedure above but very reluctantly and not reliably.
Anyone have any ideas why this may be??

My thoughts are that because I got my carbs cleaned when the bike wasn’t starting reliably if at all, (when I had all of the starting and stalling issues) the carbs were not balanced or engine properly fixed? I thought one needed the bike to be started and engine adjusted after a carb clean?? Anyone familiar with this or carb cleaning?

Maybe im off base but if they needed the bike to start in order to adjust the carbs and engine accordingly and they couldn’t start the bike because of the electrical problems, this may be the cause of the trouble I am having starting her?? Anyone have any ideas?

She has NEVER had problems starting before this electrical issue before. One push of the starter and she would turn right over giving her NO gas or throttle turn at all. Now I have to rev her, pull choke even in sweltering heat and cross fingers to get her to turn over.

Thanks for any help in advance.

russ
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post #9 of 37 (permalink) Old 08-26-2010, 04:34 PM
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I s'pose it's that the Creamsicles just melt in this hot weather...

sorry to hear that you've still got these issues...

Last edited by RICHW; 08-27-2010 at 03:28 PM.
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post #10 of 37 (permalink) Old 08-26-2010, 04:58 PM Thread Starter
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hey rich! i know. these bikes are just to hot well, i wish i could meet up with you guys and go riding with you. hopefully soon. just bought spark plugs today and will change those and cross my fingers eyes and toes and let you know.

if anyone else has a clue please help out...

thanks

russ
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