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Old 11-21-2012, 12:05 AM   #71496
BergDonk
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Joined: Nov 2010
Location: Snowy Mountains Oz
Oddometer: 3,033
Quote:
Originally Posted by Jammin View Post
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@BergDonk: I checked the ignition coil connector, looks good to me. I installed my spare coil yesterday and bike was running for a bit. When this problem first surfaced, my first thought was a fuel starvation issue. I opened up the carb and saw that the float needle wasn't that smooth in its jet, so I lightly sanded the jet, got better motion for the float needle, but problem persists. What else in the carb should I look at? I have a Mikuni TM38 flat slide. I had it rebuilt before I left Nairobi and replaced the slide, float pin, air screw and reseated the float needle.

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I'm not familiar with the TM38. What sort of filtration setup do you have? The fuel taps will likely have filters in them inside the tank. I remove them and just have a single in line servicable filter on the way to the carb. Do you still have the stock inline filter that sits in the intake pipe on the BST? I aslo routinely run on reserve so any accumulation of crud in the bottom of the tank gets flushed into the filter.

Does the float bowel have a drain valve/screw? If so, if you can get a piece of clear tube and attach it to the drain and leave the valve open and route the tube up so you can get a visible float level. Then when it stops, check the level in the tube. A manometer arrangement and it should be enough to tell you if itsa fuel issue.
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