From:dave harris e-mail:dlh.architect-A-yahoo.com
Subject:RE: RE: 62 BTH ignition coil Date:Tue Jun 27 10:04:53 2017
Response to:22081
Thanks so much for the input. I got one other similar response that the coils are the same except for the location of the leads. I am going to trouble shoot the mag step by step this weekend. The shop manual gives me direction on how to check out each component. I will focus on the ignition spark and worry about the lighting coil later. The rotor has magnetic force but don't know if it is enough. If I get down to replacing or repairing the rotor do you know where I could find a good one, find someone to fix it or is it possible to re-magnetize (is that a word) the existing?
Thanks again for the help. I will let you know how it comes out.

----- ORIGINAL MESSAGE FOLLOWS -----

IF MY MEMORY IS CORRECT, THE ONLY DIFFERENCE IN THE MAGNETO COILS IS THE WIRE END CONNECTORS. THAT SAID, YOU CAN USE
EITHER COIL IN EITHER POSITION WITH A CHANGE IN CONNECTORS.

OTHER POSSIBLE PROBLEMS:
MAGNETO ROTOR WITH WEAK/MAG FIELDS.
SPARK COIL SOCKET CORROSION
DEFECTIVE SPARK PLUG. I HAVE SEEN BRAND NEW ONES THAT WERE
DEFECTIVE.

I DO HAVE NOS MAG COILS IF YOU NEED SAME.

GOOD LUCK, DUANE TAYLOR





----- ORIGINAL MESSAGE FOLLOWS -----
Finally found the probable reason this bike was abandoned to the elements for many years. Almost finished with the restoration but can't get a spark sufficient to fire the engine. Replaced everything but the ignition coil and magnets. Magnets appear good so the only thing left is the ignition coil.
Parts manual calls for a 29574-58 coil for the 62 BTH. All I can find is a 29574-55 coil. The 62 uses an ignition and break lite coil so maybe that is the difference.
Can I use the -55 coil on my 62 BTH? If not what are my options?
So close to driving down the road and yet so far.

Any advise?

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