 Right cylinder not firing...probably CDI....
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Joined: Mar 2005
Posts: 370
Adjunct
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OP
Adjunct
Joined: Mar 2005
Posts: 370 |
Bike was running great...then I lost the right cylinder while out riding. Here is what I have done...
Just relocated battery.
Recheched all connections etc. All ok
Switched wires on back of each ignition coil and swapped plug wires. Right cylinder still not firing. Therefore its not the coil is it?
What to check next?
Last edited by stevieh; 09/10/2013 7:18 PM.
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Re: Right cylinder not firing....help please
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Joined: Aug 2009
Posts: 1,669
Learned Hand
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Learned Hand
Joined: Aug 2009
Posts: 1,669 |
Well before jumping into thinking it's electrical, (which it may be) have you checked the plug itself, make sure you didn't foul it out?
Hopefully someone with more knowledge than me will chime in.
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Re: Right cylinder not firing....help please
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Joined: Jul 2011
Posts: 2,212
Oil Expert
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Oil Expert
Joined: Jul 2011
Posts: 2,212 |
Spark plug, fuel line to the carb, igniter issues, wire unplugged from the condenser, just some idea's
2007 Speedmaster and miss it!
2013 T-Bird Storm and Luvin it!
Catching a yellow jacket in your shirt at 70 mph can double your vocabulary
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Re: Right cylinder not firing....help please
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
By switching the primary and secondary wires then noticing that the right side still doesn't fire, you have confirmed the ignition coils are good.
Why not pull the spark plugs and see if there is spark? No spark, you have a bad plug, broken primary wire or bad connection on the primary side or a defective igniter.
If you have spark, check your fuel system for the right hand side.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: Right cylinder not firing....help please
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Joined: Mar 2005
Posts: 370
Adjunct
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OP
Adjunct
Joined: Mar 2005
Posts: 370 |
No spark at all. Used spark tester to confirm.
2003 Red and Black Speedy. What do I want to change on my bike next????
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Re: Right cylinder not firing....help please
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Joined: Mar 2005
Posts: 370
Adjunct
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OP
Adjunct
Joined: Mar 2005
Posts: 370 |
Been reading some....since switching wires confirms its not the ignition coils.....it also indicates its most likely the CDI. Wow not cheap....suggestions on where to buy?
2003 Red and Black Speedy. What do I want to change on my bike next????
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Re: Right cylinder not firing....help please
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Joined: May 2007
Posts: 6,432 Likes: 1
Worn Saddle
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Worn Saddle
Joined: May 2007
Posts: 6,432 Likes: 1 |
A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)
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Re: Right cylinder not firing....help please
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Joined: Mar 2005
Posts: 370
Adjunct
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OP
Adjunct
Joined: Mar 2005
Posts: 370 |
Oldroadie.....thats a uk site. Over 300 us dollars ouch.
2003 Red and Black Speedy. What do I want to change on my bike next????
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Re: Right cylinder not firing....help please
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Quote:
... wire unplugged from the condenser, just some idea's
Condenser??
Live to love, love to live.
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Re: Right cylinder not firing....help please
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Quote:
Been reading some....since switching wires confirms its not the ignition coils.....it also indicates its most likely the CDI. Wow not cheap....suggestions on where to buy?
There's always this one, the cheapest out there are far as I know (except for a used one possibly).
http://www.procomeng.com/product.php?cat_id=5&brand_id=9&model_id=124
Live to love, love to live.
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Re: Right cylinder not firing....help please
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Joined: Jul 2011
Posts: 2,212
Oil Expert
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Oil Expert
Joined: Jul 2011
Posts: 2,212 |
Quote:
Quote:
... wire unplugged from the condenser, just some idea's
Condenser??
coil.... my bad 
2007 Speedmaster and miss it!
2013 T-Bird Storm and Luvin it!
Catching a yellow jacket in your shirt at 70 mph can double your vocabulary
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Re: Right cylinder not firing....help please
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Quote:
Quote:
Quote:
... wire unplugged from the condenser, just some idea's
Condenser??
coil.... my bad
Old school thinking. Might as well check the points while we're at it! Lol!! 
Live to love, love to live.
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