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Old 06-24-2013, 05:04 PM   #15001
Belgian Waffles
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Location: Green. Wet. Oregon.
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Hope it's not a repost

http://charlotte.craigslist.org/mcy/3866306089.html
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Current: 1989 Honda Transalp, 2006 Scorpa TY125F trials
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Old 06-25-2013, 02:18 AM   #15002
AppFan
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Originally Posted by Belgian Waffles View Post
70 miles from my front door. I sure wish my wife was interested in learning how to ride....
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Old 06-25-2013, 07:25 AM   #15003
Dudley
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Electrical glitch?

Last Saturday as I left to ride to an experienced rider class that I taught, my trusty Transalp was running on one cylinder. I rode home and rode another bike to the class. This morning I started to trouble shoot as I've never had an issue before. As I was checking electrical connections I started it and it was on one cylinder then to both. Wierd... I took it for a spin and it seemed to run fine. I believe the front is the problem. I read that certain components will not operate with bad CDI units. Everything seemed to be working. Something must be in need! Ideas.
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Old 06-25-2013, 09:29 AM   #15004
Ladder106
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This is almost always a CDI problem.

Unbolt the seat and tap on the CDI boxes with the plastic end of a screwdriver.

This will likely give you spark back in the bad cylinder at least for a bit. If that doesn't work, gently jiggle the wires where the wiring plugs into the CDI box.

If the front cylinder is down, the tach will still be working. As a diagnostic step, swap the electrical connections between the two boxes. Now your rear cylinder should be the dead one.....and the tach will not move.

Every TA owner gets bit by the bad CDI bug sooner or later. Carry a spare.
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Old 06-25-2013, 10:46 AM   #15005
mas335
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Location: Piedmont region NC
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A timely topic, I took a ride last weekend and on the return trip while coming down off the moutains the bike felt like it was out of gas which should not have been the case. The road I was on was all down hill for about 6 miles so I didn't need much throttle, but once I got on the flats it was clearly a dead cylinder.

At this point I had a 450 lb. bike with a 300cc engine pushing a 300cc air compressor and me on the top, it's a unmistakeable feeling when you loose a cylinder. So I pondered where and when to pull over and change out the dead CDI which was a original '89 module.

Where to stop was entirely based on finding some shade. Familiar with the road I knew there was a Lowes Home Improvement just about 5 miles away ( Elkin for you locals) with trees in the parking lot so I limped onward. Once I got there I pulled the side covers and the seat and changed to right side CDI since the tach worked fine I knew it was not the left cdi. It fired right up, buttoned it back together and continued on my way. I may have been inconvienced for all of 10 minutes.

This was the first "long" ride I have taken on my latest bike and finding this bug was what shack down rides are all about for me, problem solved.
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Old 06-25-2013, 12:21 PM   #15006
Ladder106
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But now the other one is also contemplating retirement. Keep carrying a good spare.
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Old 06-25-2013, 01:05 PM   #15007
mas335
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always do, I actually carry two spares.
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Old 06-26-2013, 05:31 AM   #15008
Dudley
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Where is a good place to purchase CDI units?
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Old 06-26-2013, 08:31 AM   #15009
layzrider
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here is a link to cdi info

http://www.gummycarbs.com/wiki/index...ion.29_Modules

Scroll down to CDI's. I have seen on previous posts in a Thumper Talk xr 600 thread, that people have repaired their defective cdi, keep it for a spare and buy a new one. Maybe someone else can tell you where to buy a new one.
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Old 06-26-2013, 07:45 PM   #15010
mgorman
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I keep seeing these cheap ones on ebay and such, anyone have luck with those or avoid them?

I need to get a spare or 2 before October
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Old 06-26-2013, 10:38 PM   #15011
TRBaron
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Quote:
Originally Posted by mgorman View Post
I keep seeing these cheap ones on ebay and such, anyone have luck with those or avoid them?

I need to get a spare or 2 before October

http://www.motorbike-shop.de/index.php?a=2892&lang=eng

thats what i use.

no problems so far.
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Old 06-27-2013, 04:41 AM   #15012
Spina
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I had the same problem with the CDI months ago and the dealer repaired the broken CDI under warranty, lucky me.
Does running with cylinder only ruin the engine? If I'm stranded somewhere with one broken CDI should I try to tow back the bike or could I run it, even if very underpowered?
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Old 06-27-2013, 05:23 AM   #15013
TRBaron
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Waiting for my decal packs to arrive so its a bit naked atm.

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Old 06-27-2013, 06:47 AM   #15014
csustewy
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Quote:
Originally Posted by Dudley View Post
Where is a good place to purchase CDI units?
Scroll back through this thread from only 1 month ago (HERE is a good starting point) for some links. They are recent enough that finding them should be easy, and the info should still be vaild.

Quote:
Originally Posted by mgorman View Post
I keep seeing these cheap ones on ebay and such, anyone have luck with those or avoid them?

I need to get a spare or 2 before October
Scroll back through this thread from only 1 month ago (HERE is the same good starting point) for some relevant conversation. In short, many run those orange boxes without issue. I have seen them fail much sooner than Honda OEM CDI's. But see the posts in the pages following that link for people's comments.
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Old 06-27-2013, 07:29 AM   #15015
layzrider
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I would not run on one cylinder

I once ran a twin cylinder bike on one cylinder, two up, loaded, to the nearest town. Soon after, the main rod bearing of the running cylinder failed. Too much load, I guess.
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