Replacement coil for ca77?

ggray · Post by **ggray** » Wed Mar 05, 2008 8:23 am

You're very welcome.

Gary

milwaukeephil · Post by **milwaukeephil** » Sun Apr 06, 2008 11:25 am

Sorry if this is a dumb question, but I traced my no-spark problems to my coil (I think!) and am looking at the jcwhitney coil listed above. What would I use for plug wires if I bought this one?

ggray · Post by **ggray** » Sun Apr 06, 2008 12:57 pm

Ohio Cycle has aftermarket coils for 305's. I talked to Nick and confirmed the outside diameter of his coils are the same as OEM coils....They're $25.00 each.

I heard, Maybe here in an older thread, that the JC Whitney coils were slightly larger on the OD making it difficult to fit into the OEM bracket(s). (Not comfirmed)

As for wires, I bought mine at www.oldbikebarn.com

http://www.oldbikebarn.com/Motorcycle_P ... g-Wire-Set

They work!!

Gary

milwaukeephil · Post by **milwaukeephil** » Mon Apr 14, 2008 7:21 pm

So do you think I'm correct in thinking that, since I can trace 12v to the coil but get no spark, my condenser is ok?

I hate it when I buy the wrong part ;-)

Thanks for the info!

milwaukeephil · Post by **milwaukeephil** » Mon Apr 14, 2008 7:28 pm

One more question, and this may be a silly one since I've never dealt with coils and plug wires before, but a) is it hard to attach the spark wires to the cables, and b) how about attaching the plugs to the wires?

Thanks for your help on this...

LOUD MOUSE · Post by **LOUD MOUSE** » Mon Apr 14, 2008 9:30 pm

The plug wires are PUSHED into the coil but you need to be sure the rubber ring that the aluminum cap pushes into the coil is pulled back enough for the wire to slid over the pin in the coil. The wire at the cap must be pushed into the cap and then you turn the cap clockwise so it will thread onto the pin in the coil. ...........lm

milwaukeephil wrote:One more question, and this may be a silly one since I've never dealt with coils and plug wires before, but a) is it hard to attach the spark wires to the cables, and b) how about attaching the plugs to the wires?

Thanks for your help on this...

milwaukeephil · Post by **milwaukeephil** » Tue Apr 15, 2008 9:14 am

Awesome info, thanks guys.

I'm headed over to Milwaukee Cycle tonight as a last resort before I go with a new coil and wires. The cool thing about the place is the basement is probably about 5000 sq ft. packed full of parts pulled from old bikes, and they literally have whole aisles organized by part. They have whole aisles full of bins of starters, petcocks, throttles, carbs, fenders, seats, you name it. They also have another 30,000 indoor square feet of intact bikes that you can wander around and pull parts from yourself (bring tools!)

Unfortunately, the people who run the place are assholes, but you just have to ignore that...

I'm gonna bring my volt/ohmmeter to test any potential coil I find -- I should be looking for a 12v one with no resistance, right?

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Replacement coil for ca77?

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