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How to fix my poor TT-R
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Flying tiger
 
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How to fix my poor TT-R - May 2, 2013, 04:32 AM

Hi all, I am ready for dirt again, but not the TT-R (2006 or 2007 - 230 cc).

The bike only wants to start with starting fluid. However once the bike is warm it seems to run fine.

When I brought the bike for maintenance in December, I was told the carburetor was broken but was kindly offered to get it fixed for extra $$$. Apparently the carburetor was fixed with a pin & epoxy, JB Weld maybe.
Same issue after though.

Is the TT-R due for a new carb?

What can cause the bike to only start with this stupid starting fluid?


09 Yamaha Fazer 600 "Black Mamba" *** Totaled ***
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Flying tiger
 
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May 2, 2013, 04:34 AM

Also, what are those "carburetor carb repair kit" for that I saw on Ebay?


09 Yamaha Fazer 600 "Black Mamba" *** Totaled ***
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  (#3)
Flying tiger
 
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May 2, 2013, 04:36 AM

See below the pix of the carb while it was serviced.





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#47 GODSPEED BAMBAM
 
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May 2, 2013, 06:28 AM

yea fixing that problem will not solve the running issue. Sounds and looks like it needs a good cleaning. Take it all apart clean everything and make sure the jets are clean through. Then it needs to be set up on the bike to make sure the choke works good.


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GP Champ
 
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May 2, 2013, 06:51 AM

I'm lazy so my version of cleaning pretty much just involves soaking in pine sol over night. I'd probably also just buy a new pilot jet rather than cleaning it. Those little ones can be a pain. The bike is likely to enjoy a size or two bigger anyway...
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Suddenly Superstitious!!!
 
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May 2, 2013, 06:57 AM

Sounds like it's either too lean or the pilot circuit might be plugged. Try dunking it overnight in pinesol, washing it, and then blowing out all passages with compressed air. Or take it to somebody with an ultrasonic cleaner. (RedLevel does it pretty cheaply. Or several of us on the board have one.)

Next up. That broken part inside the float bowl. Not good. Maybe JB weld can repair it. Maybe. somebody was an idiot in the past and broke it while working on the carb. Personally,I'd buy a new carb. But if you can repair it, go for it.

Mud


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#47 GODSPEED BAMBAM
 
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May 2, 2013, 08:04 AM

The jb weld fix works great on that broken part. You just need to make sure the float still moves freely afterwards. Have had to do that many times due to people not knowing how to take things apart correctly.


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Playing in the dirt
 
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May 2, 2013, 08:05 AM

deja vu

Purpose of insulated battery cable


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GP Champ
 
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May 2, 2013, 09:02 AM

Yeah, just get it to Chris (REDLEVEL) and be done with it. Also, the information in the thread Jared linked back to from Turkish (Purpose of insulated battery cable) is very good advice. These little carbs with their tiny pilot jets get gummed up very quickly so it's really worth the little bit of extra time to drain the carb out each use.
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Flying tiger
 
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May 2, 2013, 10:32 AM

Thanks all!

Quote:
Originally Posted by jar944 View Post

I was hoping for more guidelines regarding this issue.

Now time to do the work. Or try.

Many thanks again.


09 Yamaha Fazer 600 "Black Mamba" *** Totaled ***
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Suddenly Superstitious!!!
 
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May 2, 2013, 10:47 AM

Quote:
Originally Posted by rwanda91 View Post
Thanks all!

I was hoping for more guidelines regarding this issue.

Now time to do the work. Or try.

Many thanks again.
Just take pictures as you pull the carb apart. It really isn't too difficult.

Disassemble on a flay surface, put the parts in a dish/tub or something to prevent loosing any.

Rememeber the carb is pretty delicate. So don't use too much force. Unscrew the pilot and main jet. (This may require a screwdriver that is slightly thinner than normal. Most guys who do this regularly grind the edges from a cheap flat screwdriver to make life easier.)

Undo the float. (Hinges on the tiny metal rod between the uprights in the float bowt. One of your uprights is broken. The needle hangs from it. Pay attention to the orientation of the float bowl and needle. Take a picture of it. Worth having to refer back to later during reassembly.

Soak everything overnight in pinesol. Wash with warm water in a sink the next day. Blow out the passages with compressed air. Pay attention to the pilot jet. If you can't see a tiny pinprick of light through it....repeat until you can. That is th smallest hole and the most likely to gum up. Without it you will run rough/inconsistent and have a difficult time starting the bike.

Put back together when dry, hook back up. Start bike and ride off into the sunset.

Oh. JB weld, i'd do that AFTER the cleaning with the surfaces as clean as possible. Like Dodge said, ensure the float bowl hinge can go in and out correctly and the float can pivot around it.

That enough instructions?


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Flying tiger
 
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May 3, 2013, 11:31 AM

Thanks for the tutorial!
I have now compiled all guidelines from both threads in one document.
Maybe first let's see how the jb weld worked and then try to clean up? I'll order the pilot jet of one or two size bigger as recommended.
Last resort I buy a new carburetor, but I will know better how to make it last.

About the sea foam for storage, is this it?

Buy Sea Foam Motor Treatment for Gas and Diesel Engines (16 fl. oz.) SF16 at Advance Auto Parts

My CRF didn't start at all yesterday. I'm guessing it's due to the carburetor cleaning too? How often to start dirt bikes in the future if I'm using the stabil and see foam products?


09 Yamaha Fazer 600 "Black Mamba" *** Totaled ***
07 Yamaha TT-R 230 ***Sold***
03 Honda CRF 150 F ***Sold***
06 Yamaha R6 (50th Anniversary Edition) ***Stolen***
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Suddenly Superstitious!!!
 
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May 3, 2013, 04:17 PM

On dirtbikes (which reminds me!!!) You turn off the petcock at the bottom of the gas tank. Then run the bike until the carb is out of gas. After that, unscrew the drain plug at the bottom of the float bowl and let the internals air dry. That should keep it from clogging up.

The pilot jets have a very small diameter hole. Takes almost nothing to plug them.

And yes, now I'm contemplating pulling mine since it's been sitting for 3 weeks. Argh!


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Flying tiger
 
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May 5, 2013, 11:12 PM

Many thanks to all. You did not advice in vain! Indeed I was able to clean up jets in the CRF, managed to make it start and took it for a little spin.

It was waaaaaaaaaaaaaaaaaaaaaay easier to take things apart on the Honda than for the Yammi. Once screw out of the four at the bottom of the carb was really very annoyingly inaccessible. I'll go back to the TT-R sometime this week.

Now I understand better:
- why people talked about Hondas as being easy bikes to work on (indeed, that $hit was really really really straight forward);
- why people say that for one hour of dirt bike riding it's one more hour of prep / tuning and one more hour of cleaning / fixing.

Thank you!!


09 Yamaha Fazer 600 "Black Mamba" *** Totaled ***
07 Yamaha TT-R 230 ***Sold***
03 Honda CRF 150 F ***Sold***
06 Yamaha R6 (50th Anniversary Edition) ***Stolen***
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Suddenly Superstitious!!!
 
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May 5, 2013, 11:35 PM

Good job. Now get some Sea Foam in the next tank of fuel you run through it. Will smoke at first as any remaining varnish comes out. But it will help clean it out.

Which reminds me. I need to do that to my truck this week.


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