00 Thunderbird running rich - Triumph Forum: Triumph Rat Motorcycle Forums
Hinckley Classic Triples 885cc Classic Styled T3's: Legend, Thunderbird, Thunderbird Sport & Adventurer.

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post #1 of 15 (permalink) Old 02-11-2009, 07:47 PM Thread Starter
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00 Thunderbird running rich

I bought a 00 Thunderbird and it seems to be running really rich. Heavy fumes and a lot of blue on the exhaust. Any suggestions? Thanks
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post #2 of 15 (permalink) Old 02-11-2009, 08:16 PM
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blue smoke?

that's burnin' oil!

Cheers,Denny
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post #3 of 15 (permalink) Old 02-11-2009, 08:24 PM
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the air filter may be clogged with oil. Its a shame its such a major undertaking to have a peek.

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Last edited by toller; 02-11-2009 at 08:25 PM. Reason: spelling error
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post #4 of 15 (permalink) Old 02-11-2009, 08:33 PM
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Rich

I bought a 2000 TB last year and it was running rich, It would start bogging down at about 4000rpm. I pulled and cleaned carbs and noted jet sizes. I switched back to factory jet sizes and needles. Now she runs REALLY well.
I think blueing of the exhaust on these bikes is common, mine has it. Unrelated ;but I changed to niology coils and that made the low end smoother.
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post #5 of 15 (permalink) Old 02-11-2009, 08:41 PM
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Quote:
Originally Posted by denny View Post
blue smoke?

that's burnin' oil!
I don't think he said anything about smoke.


Is the bike stock or has it been modified?

FCR-39 Carbs, Sprint Cams, British Customs Predator Exhaust, K&N Pod Filters, Nology Coils, Ignitech Ignitor, Progressive Fork Springs, ZX-6R shock, and one bad ass Horn Cover!
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post #6 of 15 (permalink) Old 02-12-2009, 05:40 AM Thread Starter
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Thanks, looks like I need to check the air filter and carbs. As far as I know its stock, I bought it with 1600 miles on it and I haven't done anything to it.
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post #7 of 15 (permalink) Old 02-12-2009, 10:51 AM
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Blue smoke is oil.
White smoke is water/coolant.
Black smoke is excess fuel.

Heavy fumes that smell of gas are a rich mixture, but a smell of 'wet varnish' is condensation in the system and water in the fuel.

Check that your choke (enricher) isn't stuck in the 'on' position.

If the bike is unmodified then it could be several issues.

Any more details on how the bike behaves through the throttle band?

Jim
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post #8 of 15 (permalink) Old 02-12-2009, 05:11 PM Thread Starter
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The fumes definitely smell like gas. The choke lever seems to operate normally when used. As far as performance, it tends to lag during acceleration. With out being able taking it out for a run, I can't really be more specific than that right now.
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post #9 of 15 (permalink) Old 02-12-2009, 06:17 PM
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"a lot of blue on the exhaust" "on" being the key word . i'm guessing the OP thehammer is referring to the color of his pipes and not the color of the smoke .

first thing i'd check is that the choke/enrichener slide on the carbs is returning , not just guessing that "The choke lever seems to operate normally when used."

next would be that the airboxes are clear and not rodent nests as has been reported here how many times ?

then .......

cheers , Woody

If you love it , let it go . If it comes back to you , you've highsided ;-)
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post #10 of 15 (permalink) Old 02-14-2009, 08:20 AM Thread Starter
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Thanks for the replies. I have time this weekend to look into some of the possible problems. I have to ask though, is there an "easy" way to get the air box out??
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