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Old 06-25-2010, 10:51 AM
Gnildir Gnildir is offline
Motorized Bicycle Newbie
Join Date: Jan 2009
Location: Castle Rock, Wa
Posts: 9
Default magneto question

Hey, I have a question that is just starting to get to me. There are some magnetos that are made and the output resistance (blue wire - black wire/ground) are different with some companies, but is interchangeable on some engines. Some are at 250 ohms, and some are at 350 ohms. The ones at 350 ohms put out more power to the CDI and is easier to start. OK, now the question...

Which magneto would help save fuel? The one with low resistance(250 ohms) or the one with high resistance (350 ohms)?

Just curious..

In Washington state, stuck with the "Juneuary" weather...
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Old 06-25-2010, 12:19 PM
Venice Motor Bikes's Avatar
Venice Motor Bikes Venice Motor Bikes is offline
Custom Builder / Dealer/Los Angeles
Join Date: Mar 2008
Location: Los Angeles, CA.
Posts: 6,017
Default Re: magneto question

You can't go wrong with a stronger spark! A stronger spark will help the engine run better, (& probably save gas.)
For motorized bicycle sales, service & engine kits in Los Angeles, please visit us at-

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