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Thunderbird Cruiser Chat Cruiser chat for the the Thunderbird twin

 
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post #1 of 9 (permalink) Old 08-15-2011, 02:29 PM Thread Starter
Grand Prix 500
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Starting issue

My new TBird has no issues at idle once I'm riding, but each time I start it I have to try it several times. It almost seems that the idle is too low at the start up. On the second or third try, if I immediately give it some throttle, it will start and stay on. Without quickly giving it throttle, it will stall out. No real significant problems, but I was just wondering if this is normal for a new TBird.
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post #2 of 9 (permalink) Old 08-15-2011, 03:20 PM
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Is it a 1600 in 100% stock form? If so, does it do this when warm only or even on cold startup? If only when warm, this is a issue many of us had till we got TORS and the appropriate map, and even those with stock pipes have used the TORS tune to fix that issue. It also seems to run better overall with that tune. You can also try the 12 minute tune, then if that doesn't do it get tuneecu and the cable needed to use it and load the TORS tune. The 12 minute tune works as follows...

1)-start bike without touching the throttle. (should never do that anyways)
2)-let idle till you see the radiator fan come on. usually about 10 minutes.
3)-at the point the fan comes on start keeping time and after a full 12 minutes turn the bike off.

That may or may not fix it for you. I suspect no, but it's worth a try and i think some have found it to fix that issue. In any case, if it does this cold it may be a different issue.
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post #3 of 9 (permalink) Old 08-15-2011, 03:56 PM Thread Starter
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Quote:
Originally Posted by dazco View Post
Is it a 1600 in 100% stock form? If so, does it do this when warm only or even on cold startup? If only when warm, this is a issue many of us had till we got TORS and the appropriate map, and even those with stock pipes have used the TORS tune to fix that issue. It also seems to run better overall with that tune. You can also try the 12 minute tune, then if that doesn't do it get tuneecu and the cable needed to use it and load the TORS tune. The 12 minute tune works as follows...

1)-start bike without touching the throttle. (should never do that anyways)
2)-let idle till you see the radiator fan come on. usually about 10 minutes.
3)-at the point the fan comes on start keeping time and after a full 12 minutes turn the bike off.



That may or may not fix it for you. I suspect no, but it's worth a try and i think some have found it to fix that issue. In any case, if it does this cold it may be a different issue.
It is a 1600 in stock form. I know it has the start up issue when it's cold. Since I just got the bike and didn't really ride it much this weekend because of the weather, I'm not sure whether this is a problem or not when the bike is warm.
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post #4 of 9 (permalink) Old 08-15-2011, 04:51 PM
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Then i would suggest trying the 12 minute tube.
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post #5 of 9 (permalink) Old 08-15-2011, 06:40 PM Thread Starter
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Stopped for gas on way home from work. Same issue when starting it hot. Just needs a little throttle when starting or else it will stall out. But once it's running it never stalls.
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post #6 of 9 (permalink) Old 08-16-2011, 02:01 AM
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Thats not good tho because I think the ECU wants to do some bit of adaption on startup when cold. And it can't do that if you even touch the throttle.
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post #7 of 9 (permalink) Old 08-19-2011, 11:40 PM
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I had the same issue. Mine would cut out when hot at idle and if you blip the throttle from idle.
I installed the TORS map last night. It is way better overall and no cutting out. It feels like a differant bike, much smoother even.
Steve
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post #8 of 9 (permalink) Old 08-22-2011, 09:38 PM Thread Starter
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I did the 12 minute tune last night and it seemed to do the trick.
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post #9 of 9 (permalink) Old 08-28-2011, 12:42 AM
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My bike now has 500km on it, and I had the same thing happen for the first couple of hundred km, but now it seems to have gone away. I mentioned it to the dealer and they said they were familiar with the issue and would do some updates when I brought it in for the 1000km tune up. Seems like a pretty common, easily remedied thing.
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